Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.22,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.17,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.23,
    "confidence": 0.66,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 37.5,
    "possible_models": [
        "Tabby Shoulder Bag 26 (C0703)"
    ],
    "positive_evidence": [
        "photo 5: structured handbag silhouette with a shoulder strap and front closure.",
        "photo 1 and photo 5: gold-tone C-shaped front clasp is visible, but it is a generic decorative clasp rather than a recognizable Coach turnlock or carriage mark.",
        "photo 1,4,5: khaki Signature C jacquard\/coated canvas front and flap inset with black leather trim matches Coach Signature + Tabby-type combination",
        "photo 1,4,5: oversized polished C front clasp centered on flap is Coach Tabby design cue",
        "photo 5: structured flap shoulder silhouette ~8-9 in wide per tape, consistent with Tabby Shoulder Bag 26 size",
        "photo 4: C pattern pairs touching in khaki\/brown colorway consistent with Coach Signature"
    ],
    "negative_evidence": [
        "photo 1 and photo 4: the tan pattern consists of overlapping circular\/C-like motifs, not clearly aligned Coach Signature Cs; no Coach wordmark or carriage is visible.",
        "photo 1 and photo 5: the oversized glossy C-shaped clasp is inconsistent with the elegant, slimmer turnlocks used on classic vintage Coach bags.",
        "photo 3 and photo 4: interior surfaces appear dark and smooth\/possibly synthetic or coated rather than the unlined suede-backed glove-tanned leather typical of many vintage Coach classics.",
        "photo 3 and photo 4: no readable creed patch, country line, serial\/style number, or fabric identification tag is visible.",
        "photo 4: the small interior embossing is too indistinct to read as COACH.",
        "photo 1-5: no COACH wordmark, horse-and-carriage, or creed patch legible",
        "photo 1-5: no serial\/style number visible",
        "photo 1-5: no leather hangtag visible",
        "photo 3-4: no woven interior label or fabric content tag shown",
        "photo 1,5: bright gold-tone plated C-clasp and magnetic snap, not vintage solid brass turnlock with correct geometry"
    ],
    "missing_information": [
        "photo 3 and photo 4: a sharp, straight-on close-up of the interior embossing or any label\/creed.",
        "photo 1: close-ups of the clasp front and back, zipper or other hardware markings.",
        "photos 2-4: full interior, bottom, side seams, strap attachments, and all corners.",
        "seller-stated material composition and any brand or care label.",
        "Creed patch straight-on in raking light and interior pocket\/white fabric tag (2014+ code location)",
        "Interior emptied: back wall, pockets, fabric tags, Made-in line",
        "Hardware engravings: C-clasp back, magnetic snap, zipper pull brand",
        "Hangtag both faces if present",
        "Bottom, sides, back, corners and strap full-length with buckle holes and clips",
        "Seller-stated dimensions and any stamped numbers"
    ],
    "authenticity_concerns": [
        "The C-like pattern and large C clasp appear brand-evoking but do not provide Coach identification; this is consistent with a generic or lookalike fashion bag.",
        "No Coach identifier is visible, and the construction does not clearly match a catalogued vintage Coach classic.",
        "The glossy, chunky clasp geometry is a lookalike cue rather than a typical vintage Coach turnlock.",
        "photo 1-5: no legible creed, serial, wordmark, carriage logo, or hardware engraving visible to confirm Coach manufacture",
        "photo 1,4,5: Tabby-style C-clasp and Signature C canvas are heavily replicated; silhouette alone is never conclusive",
        "photo 3: interior lining appears smooth black synthetic, creed patch location not shown - cannot verify consistency"
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the visible clasp, pattern, and lack of identifiers do not support a Coach catalog match.",
        "The photographed dimensions in photo 5 appear to show a small structured shoulder bag, but silhouette alone is not sufficient for Coach attribution.",
        "Condition: approximately Very Good based on the clean exterior and intact visible seams; bottom, strap fold, odor, and full interior condition remain unknown.",
        "Tabby Shoulder Bag 26 in Signature Canvas fits silhouette, size ~8.5 in wide (photo 5), flap with C-clasp and signature inset (photo 1,4,5); no creed\/serial\/engraving visible so decode impossible",
        "Era reasoning: if Coach, Signature + C-clasp Tabby points to 2019+ within 2015-present; as unconfirmed, emit modern (2000s+), non-Coach",
        "Condition: Good to Very Good appearance - trim clean, canvas clean, hardware shiny (photo 1,5), interior appears clean (photo 3,4); capped by missing bottom\/corner close-ups and full interior"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1 and photo 5: large glossy gold-tone C-shaped decorative clasp; no readable branding. It is chunky and rounded rather than a classic Coach turnlock.",
        "leather_description": "photo 1, photo 3 and photo 5: black smooth-looking trim and tan patterned panels are visible; exact material cannot be determined from photos and may be synthetic or coated textile.",
        "lining_description": "photo 3 and photo 4: dark smooth interior is visible; no readable label or creed and material is not determinable.",
        "strap_construction": "photo 3 and photo 5: single black shoulder strap is visible, with attachment hardware only partly shown.",
        "stitching_description": "photo 1 and photo 4: perimeter stitching appears generally even, though close-up construction at stress points is not fully shown."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0158,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 5: structured handbag silhouette with a shoulder strap and front closure.",
                    "photo 1 and photo 5: gold-tone C-shaped front clasp is visible, but it is a generic decorative clasp rather than a recognizable Coach turnlock or carriage mark."
                ],
                "negative_evidence": [
                    "photo 1 and photo 4: the tan pattern consists of overlapping circular\/C-like motifs, not clearly aligned Coach Signature Cs; no Coach wordmark or carriage is visible.",
                    "photo 1 and photo 5: the oversized glossy C-shaped clasp is inconsistent with the elegant, slimmer turnlocks used on classic vintage Coach bags.",
                    "photo 3 and photo 4: interior surfaces appear dark and smooth\/possibly synthetic or coated rather than the unlined suede-backed glove-tanned leather typical of many vintage Coach classics.",
                    "photo 3 and photo 4: no readable creed patch, country line, serial\/style number, or fabric identification tag is visible.",
                    "photo 4: the small interior embossing is too indistinct to read as COACH."
                ],
                "missing_information": [
                    "photo 3 and photo 4: a sharp, straight-on close-up of the interior embossing or any label\/creed.",
                    "photo 1: close-ups of the clasp front and back, zipper or other hardware markings.",
                    "photos 2-4: full interior, bottom, side seams, strap attachments, and all corners.",
                    "seller-stated material composition and any brand or care label."
                ],
                "authenticity_concerns": [
                    "The C-like pattern and large C clasp appear brand-evoking but do not provide Coach identification; this is consistent with a generic or lookalike fashion bag.",
                    "No Coach identifier is visible, and the construction does not clearly match a catalogued vintage Coach classic.",
                    "The glossy, chunky clasp geometry is a lookalike cue rather than a typical vintage Coach turnlock."
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": false,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "photo 1 and photo 5: large glossy gold-tone C-shaped decorative clasp; no readable branding. It is chunky and rounded rather than a classic Coach turnlock.",
                    "leather_description": "photo 1, photo 3 and photo 5: black smooth-looking trim and tan patterned panels are visible; exact material cannot be determined from photos and may be synthetic or coated textile.",
                    "lining_description": "photo 3 and photo 4: dark smooth interior is visible; no readable label or creed and material is not determinable.",
                    "strap_construction": "photo 3 and photo 5: single black shoulder strap is visible, with attachment hardware only partly shown.",
                    "stitching_description": "photo 1 and photo 4: perimeter stitching appears generally even, though close-up construction at stress points is not fully shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the visible clasp, pattern, and lack of identifiers do not support a Coach catalog match.",
                    "The photographed dimensions in photo 5 appear to show a small structured shoulder bag, but silhouette alone is not sufficient for Coach attribution.",
                    "Condition: approximately Very Good based on the clean exterior and intact visible seams; bottom, strap fold, odor, and full interior condition remain unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-5: no legible creed, serial, wordmark, carriage logo, or hardware engraving visible to confirm Coach manufacture",
                    "photo 1,4,5: Tabby-style C-clasp and Signature C canvas are heavily replicated; silhouette alone is never conclusive",
                    "photo 3: interior lining appears smooth black synthetic, creed patch location not shown - cannot verify consistency"
                ],
                "authenticity_confidence": 0.3,
                "coach_probability": 0.38,
                "confidence": 0.48,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "Creed patch straight-on in raking light and interior pocket\/white fabric tag (2014+ code location)",
                    "Interior emptied: back wall, pockets, fabric tags, Made-in line",
                    "Hardware engravings: C-clasp back, magnetic snap, zipper pull brand",
                    "Hangtag both faces if present",
                    "Bottom, sides, back, corners and strap full-length with buckle holes and clips",
                    "Seller-stated dimensions and any stamped numbers"
                ],
                "negative_evidence": [
                    "photo 1-5: no COACH wordmark, horse-and-carriage, or creed patch legible",
                    "photo 1-5: no serial\/style number visible",
                    "photo 1-5: no leather hangtag visible",
                    "photo 3-4: no woven interior label or fabric content tag shown",
                    "photo 1,5: bright gold-tone plated C-clasp and magnetic snap, not vintage solid brass turnlock with correct geometry"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "large polished gold-tone C-shaped front clasp (photo 1,5) with gold-tone magnetic snap under flap (photo 4); no engraving legible; tone uniform but plated appearance",
                    "leather_description": "black smooth leather-look trim on flap, sides and strap with even edge finish; coated appearance in photos, grain not visible",
                    "lining_description": "black smooth lining visible in open interior views (photo 2,3); appears synthetic\/leather-look, no pockets or tags visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark even straight stitching along flap and trim edges visible (photo 1,4); no mismatched thread seen",
                    "strap_construction": "single black flat shoulder strap, width narrow, attachment not shown in detail (photo 3,5)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,4,5: khaki Signature C jacquard\/coated canvas front and flap inset with black leather trim matches Coach Signature + Tabby-type combination",
                    "photo 1,4,5: oversized polished C front clasp centered on flap is Coach Tabby design cue",
                    "photo 5: structured flap shoulder silhouette ~8-9 in wide per tape, consistent with Tabby Shoulder Bag 26 size",
                    "photo 4: C pattern pairs touching in khaki\/brown colorway consistent with Coach Signature"
                ],
                "possible_model_reasoning": [
                    "Tabby Shoulder Bag 26 in Signature Canvas fits silhouette, size ~8.5 in wide (photo 5), flap with C-clasp and signature inset (photo 1,4,5); no creed\/serial\/engraving visible so decode impossible",
                    "Era reasoning: if Coach, Signature + C-clasp Tabby points to 2019+ within 2015-present; as unconfirmed, emit modern (2000s+), non-Coach",
                    "Condition: Good to Very Good appearance - trim clean, canvas clean, hardware shiny (photo 1,5), interior appears clean (photo 3,4); capped by missing bottom\/corner close-ups and full interior"
                ],
                "possible_models": [
                    "Tabby Shoulder Bag 26 (C0703)"
                ],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.38,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17600,
            "output_tokens": 869,
            "total_tokens": 18469,
            "estimated_cost_usd": 0.009126
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18106,
            "output_tokens": 2324,
            "total_tokens": 20430,
            "estimated_cost_usd": 0.00548
        }
    ]
}