Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.04,
    "vintage_probability": 0.635,
    "authenticity_confidence": 0.045,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.855,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: structured leather shoulder bag with a flap, turn-lock closure, and long strap.",
        "photo 2: metal turn-lock hardware and braided leather edging are visible.",
        "photo 6: substantial hand-tooled floral leather construction is clearly visible.",
        "photo 1-3: leather flap shoulder handbag 9x7x3 in with turnlock closure - general bag type where misidentified Coach could hide",
        "photo 3-4: leather appears genuine and aged with patina, consistent with vintage leather bag",
        "photo 2,5: turnlock closure present, a Coach classic feature, though geometry is wrong"
    ],
    "negative_evidence": [
        "photo 1: ornate all-over floral tooling is not characteristic of the classic smooth glove-tanned Coach silhouettes shown in the catalog.",
        "photo 2: the closure appears generic and does not show a recognizable Coach turnlock geometry or Coach marking.",
        "photo 3: front view shows no visible COACH wordmark, horse-and-carriage mark, or hangtag.",
        "photo 4: back and bottom view shows no Coach identifier or creed patch.",
        "photo 5: interior view shows a dark lining and no visible Coach creed or fabric tag.",
        "photo 6: visible construction is typical of a tooled-leather artisan or western-style bag rather than an identifiable Coach model.",
        "photo 1-3,6: all-over hand-tooled floral western embossing on front, back and flap - never used on vintage Coach glove-tanned classics which are smooth tone-on-tone",
        "photo 2,5: small oval twist-lock with rectangular keeper and silver\/gold plated tone, not Coach 1970s-1990s solid brass wide thin turnlock geometry",
        "photo 4-5: whipstitched \/ braided lacing around flap and body edges - not Coach construction",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible in any view",
        "photo 4: plain tan leather bottom with dome feet, no Coach catalog silhouette match",
        "photo 5: dark brown flap underside and light tan body, no unlined suede-back glove-tanned Coach interior with creed seen"
    ],
    "missing_information": [
        "A straight-on, well-lit photograph of the entire interior back wall and every interior pocket.",
        "A close-up of any interior leather patch, fabric tag, zipper pull, or hardware engraving.",
        "A clear photograph of the closure from front and back and both sides of the strap attachments.",
        "A photograph of the underside, all corners, and the full strap condition.",
        "photo of interior compartment emptied to confirm no creed patch or fabric label (photo 5 shows only flap underside and top edge)",
        "close-up of turnlock back plate, strap anchors and base feet hardware tone",
        "photo of any maker stamp, country stamp or interior pocket"
    ],
    "authenticity_concerns": [
        "No Coach-specific identifier is visible across the provided photos, so the bag should not be treated as Coach based on silhouette or hardware alone.",
        "The floral tooling, braided edging, dark lining, and generic closure do not form a recognizable internally consistent vintage Coach configuration."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the visible tooling and generic hardware do not match a cataloged Coach silhouette, and no Coach identifier is visible.",
        "Seller states approximate dimensions of 9 x 7 x 3 inches and a 44-inch strap; these proportions support a small shoulder bag but do not identify a Coach model.",
        "Condition: Very Good based on the generally intact exterior, with small scuffs and a missing or damaged small section of edge weaving mentioned by the seller; interior condition and odor cannot be assessed.",
        "No Coach model fits: tooled western floral leather, laced edges, small oval twist-lock and construction have no match in Classic glove-tanned catalog (City Bag 9790, Court 9870, Dinky 9375, etc.) which are smooth unlined glove-tanned with solid brass turnlocks",
        "Era reasoning: western tooled bags of this type are typically 1970s-1990s Mexican \/ US western craft, but without maker mark cannot date; emitted as modern (2000s+), non-Coach per output vocabulary for non-Coach bag",
        "Condition: Very Good to Good; leather shows patina and small scuffs, seller notes small scuff marks and missing small piece of weaving at edge, bottom shows wear (photo 4), interior and strap fold not fully shown so capped"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Gold-tone oval turn-lock plate visible on the flap; small metal feet or rivets are visible at the bottom. No Coach engraving is legible.",
        "leather_description": "Warm brown leather with extensive raised and stamped floral tooling, darker accent shading, and braided leather edging.",
        "lining_description": "Dark lining or interior material is visible in photo 5; exact material and construction are not determinable.",
        "strap_construction": "Long narrow leather shoulder strap, apparently attached with stitched or riveted leather tabs; full attachment details are not visible.",
        "stitching_description": "Visible perimeter and braided-edge construction appears generally even; interior seam stitching is not sufficiently visible for detailed assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0027,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.07,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: structured leather shoulder bag with a flap, turn-lock closure, and long strap.",
                    "photo 2: metal turn-lock hardware and braided leather edging are visible.",
                    "photo 6: substantial hand-tooled floral leather construction is clearly visible."
                ],
                "negative_evidence": [
                    "photo 1: ornate all-over floral tooling is not characteristic of the classic smooth glove-tanned Coach silhouettes shown in the catalog.",
                    "photo 2: the closure appears generic and does not show a recognizable Coach turnlock geometry or Coach marking.",
                    "photo 3: front view shows no visible COACH wordmark, horse-and-carriage mark, or hangtag.",
                    "photo 4: back and bottom view shows no Coach identifier or creed patch.",
                    "photo 5: interior view shows a dark lining and no visible Coach creed or fabric tag.",
                    "photo 6: visible construction is typical of a tooled-leather artisan or western-style bag rather than an identifiable Coach model."
                ],
                "missing_information": [
                    "A straight-on, well-lit photograph of the entire interior back wall and every interior pocket.",
                    "A close-up of any interior leather patch, fabric tag, zipper pull, or hardware engraving.",
                    "A clear photograph of the closure from front and back and both sides of the strap attachments.",
                    "A photograph of the underside, all corners, and the full strap condition."
                ],
                "authenticity_concerns": [
                    "No Coach-specific identifier is visible across the provided photos, so the bag should not be treated as Coach based on silhouette or hardware alone.",
                    "The floral tooling, braided edging, dark lining, and generic closure do not form a recognizable internally consistent vintage Coach configuration."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "Gold-tone oval turn-lock plate visible on the flap; small metal feet or rivets are visible at the bottom. No Coach engraving is legible.",
                    "leather_description": "Warm brown leather with extensive raised and stamped floral tooling, darker accent shading, and braided leather edging.",
                    "lining_description": "Dark lining or interior material is visible in photo 5; exact material and construction are not determinable.",
                    "strap_construction": "Long narrow leather shoulder strap, apparently attached with stitched or riveted leather tabs; full attachment details are not visible.",
                    "stitching_description": "Visible perimeter and braided-edge construction appears generally even; interior seam stitching is not sufficiently visible for detailed assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the visible tooling and generic hardware do not match a cataloged Coach silhouette, and no Coach identifier is visible.",
                    "Seller states approximate dimensions of 9 x 7 x 3 inches and a 44-inch strap; these proportions support a small shoulder bag but do not identify a Coach model.",
                    "Condition: Very Good based on the generally intact exterior, with small scuffs and a missing or damaged small section of edge weaving mentioned by the seller; interior condition and odor cannot be assessed."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior compartment emptied to confirm no creed patch or fabric label (photo 5 shows only flap underside and top edge)",
                    "close-up of turnlock back plate, strap anchors and base feet hardware tone",
                    "photo of any maker stamp, country stamp or interior pocket"
                ],
                "negative_evidence": [
                    "photo 1-3,6: all-over hand-tooled floral western embossing on front, back and flap - never used on vintage Coach glove-tanned classics which are smooth tone-on-tone",
                    "photo 2,5: small oval twist-lock with rectangular keeper and silver\/gold plated tone, not Coach 1970s-1990s solid brass wide thin turnlock geometry",
                    "photo 4-5: whipstitched \/ braided lacing around flap and body edges - not Coach construction",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible in any view",
                    "photo 4: plain tan leather bottom with dome feet, no Coach catalog silhouette match",
                    "photo 5: dark brown flap underside and light tan body, no unlined suede-back glove-tanned Coach interior with creed seen"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone small oval twist turnlock on flap front (photo 2) with rectangular keeper on body (photo 5); round dome base feet on bottom (photo 4); plated tone, not heavy solid brass patina",
                    "leather_description": "warm brown \/ tan leather with deep hand-tooled floral and scroll embossing on front, back and flap (photo 1-3,6); smooth un-tooled sides and bottom (photo 4)",
                    "lining_description": "not_visible as separate lining; photo 5 shows dark brown underside of flap and light tan interior top edge, single compartment per seller, no fabric lining or creed patch shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no conventional stitched seams visible; edges finished with braided \/ whipstitch leather lacing (photo 2,5,6)",
                    "strap_construction": "thin flat unadjustable-appearing leather shoulder strap, sewn directly to body sides (photo 3-5)",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1-3: leather flap shoulder handbag 9x7x3 in with turnlock closure - general bag type where misidentified Coach could hide",
                    "photo 3-4: leather appears genuine and aged with patina, consistent with vintage leather bag",
                    "photo 2,5: turnlock closure present, a Coach classic feature, though geometry is wrong"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: tooled western floral leather, laced edges, small oval twist-lock and construction have no match in Classic glove-tanned catalog (City Bag 9790, Court 9870, Dinky 9375, etc.) which are smooth unlined glove-tanned with solid brass turnlocks",
                    "Era reasoning: western tooled bags of this type are typically 1970s-1990s Mexican \/ US western craft, but without maker mark cannot date; emitted as modern (2000s+), non-Coach per output vocabulary for non-Coach bag",
                    "Condition: Very Good to Good; leather shows patina and small scuffs, seller notes small scuff marks and missing small piece of weaving at edge, bottom shows wear (photo 4), interior and strap fold not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18173,
            "output_tokens": 846,
            "total_tokens": 19019,
            "estimated_cost_usd": 0.0093
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18729,
            "output_tokens": 1502,
            "total_tokens": 20231,
            "estimated_cost_usd": 0.004947
        }
    ]
}