Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.76,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly shaped as a small crossbody handbag with a top zip and long adjustable strap",
        "photo 2: rear exterior zip pocket and detachable-looking strap hardware are visible"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, or hangtag",
        "photo 1: bright silver-tone hardware and a generic zip-top silhouette do not strongly match classic vintage Coach construction",
        "photo 2: rear zipper pull and hardware appear generic, with no visible Coach engraving",
        "photo 1: material has an artificial-looking uniform pebbled finish; genuine leather cannot be confirmed from photos",
        "photo 1: seller lists the bag as unbranded, providing no independent brand evidence",
        "photo 1: zip-top closure with no turnlock flap - inconsistent with vintage glove-tanned Coach classics",
        "photo 1-2: thin gold-tone plated lobster clips and buckle, not solid brass vintage hardware",
        "photo 1-2: turquoise pebbled material with synthetic sheen and creased finish, not matte glove-tanned cowhide",
        "photo 2: exterior zip pocket with contrasting tan-brown leather-like pull tab, not a Coach catalog construction",
        "photo 1-2: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible"
    ],
    "missing_information": [
        "Interior photo, including all walls, pockets, labels, and any creed patch",
        "Close-up of the zipper pulls and strap attachment hardware",
        "Bottom, side, corner, and strap-condition photos",
        "Any interior fabric or care tag and seller-stated dimensions",
        "photo of interior lining and any interior patch or fabric tag - interior never shown",
        "straight-on creed patch photo in raking light to confirm no identifiers",
        "close-up of hardware stamps, zipper brand, and strap clips",
        "bottom, side and corner close-ups for condition grading",
        "seller-stated dimensions and material content"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in either provided photo; the bag is more consistent with a generic modern crossbody than a Coach model",
        "Silver-tone plated-looking hardware and generic zipper construction are inconsistent with many classic glove-tanned vintage Coach styles, which commonly use solid brass hardware"
    ],
    "possible_model_reasoning": [
        "The compact zip-top crossbody shape does not visibly correspond to a recognizable vintage Coach catalog model, and no style number is available for comparison.",
        "The silver-tone hardware and modern generic construction point toward a modern non-Coach bag rather than a pre-2000 Coach classic.",
        "Condition: Good to Very Good based on visible creasing and surface wear; corners and interior are incompletely shown, so a firm condition grade is not possible.",
        "zip-top crossbody silhouette does not match any vintage Coach classic turnlock catalog style (Willis 9927, Court 9870, Station 5130, City Bag 9790, Dinky 9375)",
        "construction read: plated hardware, synthetic-looking pebbled finish, contrast zip pull and exterior zip pocket point to modern fast-fashion, not 1970s-1990s Coach",
        "no hard identifiers visible in either photo to decode era or style; seller lists as Unbranded with no serial claim",
        "Condition: Good to Very Good for generic use; surface looks intact with minor creasing (photo 1-2), but corners, interior, strap fold and lining unknown so grade capped"
    ],
    "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 2: silver-tone rings, clips, zipper hardware, and a thin adjustable strap; no legible branding or turnlock",
        "leather_description": "photo 1 and photo 2: blue pebbled, flexible-looking material; genuine leather versus synthetic material is not determinable from these photos",
        "lining_description": "not_visible",
        "strap_construction": "photo 1 and photo 2: long adjustable shoulder strap with stitched edges and metal clip attachments",
        "stitching_description": "photo 1 and photo 2: visible perimeter stitching appears generally even, though close-up stress-point inspection is unavailable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly shaped as a small crossbody handbag with a top zip and long adjustable strap",
                    "photo 2: rear exterior zip pocket and detachable-looking strap hardware are visible"
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, or hangtag",
                    "photo 1: bright silver-tone hardware and a generic zip-top silhouette do not strongly match classic vintage Coach construction",
                    "photo 2: rear zipper pull and hardware appear generic, with no visible Coach engraving",
                    "photo 1: material has an artificial-looking uniform pebbled finish; genuine leather cannot be confirmed from photos",
                    "photo 1: seller lists the bag as unbranded, providing no independent brand evidence"
                ],
                "missing_information": [
                    "Interior photo, including all walls, pockets, labels, and any creed patch",
                    "Close-up of the zipper pulls and strap attachment hardware",
                    "Bottom, side, corner, and strap-condition photos",
                    "Any interior fabric or care tag and seller-stated dimensions"
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in either provided photo; the bag is more consistent with a generic modern crossbody than a Coach model",
                    "Silver-tone plated-looking hardware and generic zipper construction are inconsistent with many classic glove-tanned vintage Coach styles, which commonly use solid brass hardware"
                ],
                "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 2: silver-tone rings, clips, zipper hardware, and a thin adjustable strap; no legible branding or turnlock",
                    "leather_description": "photo 1 and photo 2: blue pebbled, flexible-looking material; genuine leather versus synthetic material is not determinable from these photos",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1 and photo 2: long adjustable shoulder strap with stitched edges and metal clip attachments",
                    "stitching_description": "photo 1 and photo 2: visible perimeter stitching appears generally even, though close-up stress-point inspection is unavailable"
                },
                "possible_model_reasoning": [
                    "The compact zip-top crossbody shape does not visibly correspond to a recognizable vintage Coach catalog model, and no style number is available for comparison.",
                    "The silver-tone hardware and modern generic construction point toward a modern non-Coach bag rather than a pre-2000 Coach classic.",
                    "Condition: Good to Very Good based on visible creasing and surface wear; corners and interior are incompletely shown, so a firm condition grade is not possible."
                ],
                "confidence": 0.74,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and any interior patch or fabric tag - interior never shown",
                    "straight-on creed patch photo in raking light to confirm no identifiers",
                    "close-up of hardware stamps, zipper brand, and strap clips",
                    "bottom, side and corner close-ups for condition grading",
                    "seller-stated dimensions and material content"
                ],
                "negative_evidence": [
                    "photo 1: zip-top closure with no turnlock flap - inconsistent with vintage glove-tanned Coach classics",
                    "photo 1-2: thin gold-tone plated lobster clips and buckle, not solid brass vintage hardware",
                    "photo 1-2: turquoise pebbled material with synthetic sheen and creased finish, not matte glove-tanned cowhide",
                    "photo 2: exterior zip pocket with contrasting tan-brown leather-like pull tab, not a Coach catalog construction",
                    "photo 1-2: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone plated hardware; small lobster-claw strap clips and strap buckle; thin top zipper with dark pull; no COACH engraving visible",
                    "leather_description": "turquoise-blue pebbled-grain material with shiny synthetic-looking finish and wrinkling, consistent with faux\/PU rather than glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - edge stitching indistinct in distance shots, no detail to assess tightness or thread match",
                    "strap_construction": "thin flat adjustable crossbody strap with buckle adjustment and swivel lobster clips at both ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "zip-top crossbody silhouette does not match any vintage Coach classic turnlock catalog style (Willis 9927, Court 9870, Station 5130, City Bag 9790, Dinky 9375)",
                    "construction read: plated hardware, synthetic-looking pebbled finish, contrast zip pull and exterior zip pocket point to modern fast-fashion, not 1970s-1990s Coach",
                    "no hard identifiers visible in either photo to decode era or style; seller lists as Unbranded with no serial claim",
                    "Condition: Good to Very Good for generic use; surface looks intact with minor creasing (photo 1-2), but corners, interior, strap fold and lining unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19015,
            "output_tokens": 745,
            "total_tokens": 19760,
            "estimated_cost_usd": 0.009394
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19593,
            "output_tokens": 1342,
            "total_tokens": 20935,
            "estimated_cost_usd": 0.004992
        }
    ]
}