Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.89,
    "recommended_max_bid": 10,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a satchel shape and two shoulder handles.",
        "photo 7: Interior leather patch visibly bears an 'MC' mark, not a Coach wordmark or creed."
    ],
    "negative_evidence": [
        "photo 1: Exterior uses an all-over blue brocade\/paisley textile with burgundy trim, unlike the solid glove-tanned leather typical of vintage Coach classics.",
        "photo 2: Closure and decorative hardware do not match the elegant vintage Coach turnlock geometry.",
        "photo 6: Interior is visibly fabric-lined and printed with repeating MC-style motifs.",
        "photo 7: The visible interior brand mark reads 'MC', and no COACH branding is visible.",
        "photo 1: Seller title identifies the trim as faux leather, which is strong counter-evidence for a vintage Coach classic.",
        "photo 1,4: teal embossed paisley \/ brocade body with burgundy faux-leather trim - not Coach glove-tanned leather",
        "photo 5: shiny champagne polyester satin lining printed M.C. - Coach classics are unlined suede, lined Coach would not use M.C. print",
        "photo 6: interior leather tab embossed M.C., not COACH creed patch",
        "photo 1,2: center padlock \/ push-lock closure, not Coach turnlock geometry",
        "photo 1-4: bright gold-tone plated rivets, D-rings and padlock - not vintage solid brass",
        "photo 1,3,4: contrast white stitching and braided-look rolled handles - inconsistent with vintage Coach construction",
        "title states Faux Leather Trim - faux\/PU is coach_probability <=0.05 per skill"
    ],
    "missing_information": [
        "photo 6-7: The full interior, bottom, strap attachments, and all corners are not shown comprehensively.",
        "photo 7: The MC brand patch should be photographed straight-on if exact branding is important.",
        "Seller-stated dimensions and material composition are not provided.",
        "seller-stated dimensions and strap drop for value listing (not needed for Coach ID)",
        "close-up of any exterior maker tag if present"
    ],
    "authenticity_concerns": [
        "photo 1 and photo 6: The synthetic\/textile construction, printed lining, MC branding, and decorative hardware are internally inconsistent with a vintage Coach leather handbag.",
        "photo 7: The visible MC branding indicates a non-Coach maker or lookalike product; no Coach identifier is present."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the MC patch, brocade body, faux-leather trim, and printed lining point to a different modern handbag brand.",
        "Condition appears Good to Very Good from the visible exterior; the bag retains shape, but interior wear, hardware function, odor, and bottom\/corner condition are incompletely documented.",
        "No Coach identifier visible in any of 6 photos: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag",
        "Brand is positively identified as M.C. from lining print (photo 5) and embossed M.C. tab (photo 6), consistent with seller title MC Handbags",
        "Silhouette - zip-top satchel with padlock flap, back zip pocket, double rolled handles - matches no vintage Coach catalog style (City Bag, Court, Station, Willis, Dinky etc.)",
        "Materials - faux leather + polyester lining + plated hardware place in modern non-Coach fast-fashion segment",
        "Condition: Very Good to Good; body and base show light wear, stitching intact, interior appears clean with minor marks (photo 5); bottom not fully graded without corner close-ups"
    ],
    "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 1-3: Gold-tone decorative clasp and riveted handle attachments are visible; no Coach engraving is visible.",
        "leather_description": "photo 1-5: Burgundy-colored smooth synthetic\/faux-leather trim is visible around a blue brocade\/paisley textile body.",
        "lining_description": "photo 6-7: Light fabric lining with repeating MC-style print is visible; it is not the unlined suede-back interior associated with many vintage Coach classics.",
        "strap_construction": "photo 1 and photo 3: Two fixed rounded burgundy handles attached with stitched and riveted tabs.",
        "stitching_description": "photo 2-5: Contrasting light stitching is visible and generally regular, but the photos do not establish Coach construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0015,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a satchel shape and two shoulder handles.",
                    "photo 7: Interior leather patch visibly bears an 'MC' mark, not a Coach wordmark or creed."
                ],
                "negative_evidence": [
                    "photo 1: Exterior uses an all-over blue brocade\/paisley textile with burgundy trim, unlike the solid glove-tanned leather typical of vintage Coach classics.",
                    "photo 2: Closure and decorative hardware do not match the elegant vintage Coach turnlock geometry.",
                    "photo 6: Interior is visibly fabric-lined and printed with repeating MC-style motifs.",
                    "photo 7: The visible interior brand mark reads 'MC', and no COACH branding is visible.",
                    "photo 1: Seller title identifies the trim as faux leather, which is strong counter-evidence for a vintage Coach classic."
                ],
                "missing_information": [
                    "photo 6-7: The full interior, bottom, strap attachments, and all corners are not shown comprehensively.",
                    "photo 7: The MC brand patch should be photographed straight-on if exact branding is important.",
                    "Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1 and photo 6: The synthetic\/textile construction, printed lining, MC branding, and decorative hardware are internally inconsistent with a vintage Coach leather handbag.",
                    "photo 7: The visible MC branding indicates a non-Coach maker or lookalike product; no Coach identifier is present."
                ],
                "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 1-3: Gold-tone decorative clasp and riveted handle attachments are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1-5: Burgundy-colored smooth synthetic\/faux-leather trim is visible around a blue brocade\/paisley textile body.",
                    "lining_description": "photo 6-7: Light fabric lining with repeating MC-style print is visible; it is not the unlined suede-back interior associated with many vintage Coach classics.",
                    "strap_construction": "photo 1 and photo 3: Two fixed rounded burgundy handles attached with stitched and riveted tabs.",
                    "stitching_description": "photo 2-5: Contrasting light stitching is visible and generally regular, but the photos do not establish Coach construction."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the MC patch, brocade body, faux-leather trim, and printed lining point to a different modern handbag brand.",
                    "Condition appears Good to Very Good from the visible exterior; the bag retains shape, but interior wear, hardware function, odor, and bottom\/corner condition are incompletely documented."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "seller-stated dimensions and strap drop for value listing (not needed for Coach ID)",
                    "close-up of any exterior maker tag if present"
                ],
                "negative_evidence": [
                    "photo 1,4: teal embossed paisley \/ brocade body with burgundy faux-leather trim - not Coach glove-tanned leather",
                    "photo 5: shiny champagne polyester satin lining printed M.C. - Coach classics are unlined suede, lined Coach would not use M.C. print",
                    "photo 6: interior leather tab embossed M.C., not COACH creed patch",
                    "photo 1,2: center padlock \/ push-lock closure, not Coach turnlock geometry",
                    "photo 1-4: bright gold-tone plated rivets, D-rings and padlock - not vintage solid brass",
                    "photo 1,3,4: contrast white stitching and braided-look rolled handles - inconsistent with vintage Coach construction",
                    "title states Faux Leather Trim - faux\/PU is coach_probability <=0.05 per skill"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware: front padlock\/push-lock on burgundy tab, round rivets at handle anchors, D-rings, back zipper pull with circular logo; shiny plated, not solid brass vintage",
                    "leather_description": "teal blue embossed paisley\/floral coated faux-leather body with burgundy smooth faux-leather trim and base; seller titles as faux leather trim; glossy, embossed pattern, not glove-tanned cowhide",
                    "lining_description": "champagne\/tan satin polyester lining printed with M.C. logos throughout (photo 5)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast off-white machine stitching around burgundy trim, handle tabs and base; even but contrasting, not tone-on-tone Coach stitching",
                    "strap_construction": "double rolled top handles in burgundy faux-leather with braided texture, attached via riveted leather tabs and metal D-rings; no buckle adjustment, no dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag",
                    "Brand is positively identified as M.C. from lining print (photo 5) and embossed M.C. tab (photo 6), consistent with seller title MC Handbags",
                    "Silhouette - zip-top satchel with padlock flap, back zip pocket, double rolled handles - matches no vintage Coach catalog style (City Bag, Court, Station, Willis, Dinky etc.)",
                    "Materials - faux leather + polyester lining + plated hardware place in modern non-Coach fast-fashion segment",
                    "Condition: Very Good to Good; body and base show light wear, stitching intact, interior appears clean with minor marks (photo 5); bottom not fully graded without corner close-ups"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
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            "estimated_cost_usd": 0.012729
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}