Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.035,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.81,
    "recommended_max_bid": 11,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: This is clearly a shoulder handbag with a flap, long strap, and multiple compartments.",
        "photo 1: Brown leather-like construction is compatible with the broad category of bags in which vintage Coach examples can occur."
    ],
    "negative_evidence": [
        "photo 1: The exterior has a contrasting embossed reptile-pattern trim panel, a feature not characteristic of the classic solid glove-tanned Coach styles shown in the reference catalog.",
        "photo 3: The closure appears to be a snap\/button arrangement rather than a recognizable Coach turnlock.",
        "photo 3: Hardware appears light and plated rather than the heavy, solid-brass hardware typical of many vintage Coach classics.",
        "photo 5: The interior is fabric-lined and has multiple modern organizer-style compartments; no Coach creed patch, wordmark, or horse-and-carriage is visible.",
        "photo 6: Visible zipper construction and dark synthetic-looking lining are more consistent with a generic modern handbag than a vintage unlined Coach classic.",
        "photo 1: No Coach hangtag, logo, or other brand identifier is visible.",
        "photo 5: flap closes with round magnetic \/ snap button, not Coach turnlock geometry",
        "photo 5: exterior front has 3 slip pockets with center divider - not a classic Coach interior layout",
        "photo 5, photo 6: brown synthetic fabric lining, not unlined suede-back glove-tanned leather",
        "photo 1, photo 2: smooth coated leather-look surface with embossed croc-trim on flap edge, not vintage glove-tanned grain",
        "photo 3: thin flat strap with gold-tone rivet, no brass buckle slide or dogleash clips",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 5-6: A straight-on close-up of every interior wall and pocket seam would confirm whether a hidden creed or fabric brand tag exists.",
        "photo 3: Close-ups of the closure, hardware backs, and zipper pulls could identify the maker.",
        "photo 1-4: Seller-stated material is not independently verifiable; a material composition label is not shown.",
        "no creed patch shown - request straight-on interior back wall \/ slip pocket photo to confirm absence",
        "no hardware close-up of zipper pull brand stamp",
        "no bottom \/ corner close-up"
    ],
    "authenticity_concerns": [
        "The bag lacks visible Coach identifiers and its lined, compartmentalized construction does not match the most likely vintage Coach silhouettes.",
        "The reptile-pattern trim and apparent lightweight plated hardware are lookalike\/generic construction cues rather than Coach-specific evidence."
    ],
    "possible_model_reasoning": [
        "The flap, approximately 11-by-7-inch proportions, long strap, and multiple interior compartments do not closely match a specific documented vintage Coach model.",
        "The lined organizer interior and decorative reptile-pattern panel point toward a generic modern leather or leather-like shoulder bag rather than a classic unlined Coach City Bag, Court, Willis, or Station.",
        "Condition: Good to Very Good based on visible creasing and handling wear; the seller notes a small white edge mark, visible condition of the underside and strap fold is limited.",
        "11x7x2 in flap shoulder bag with snap closure and fabric lining does not match any catalog Coach classic (City Bag 9790, Court 9870, Station 5130, Willis 9927 all use turnlock + unlined glove-tanned + solid brass)",
        "no Coach hard identifiers visible in 6 photos despite interior views in photo 5 and photo 6",
        "materials and construction (coated faux-like leather, fabric lining, snap, thin strap, croc-embossed trim) point to modern generic fast-fashion shoulder bag",
        "Condition: Good; light creasing and soft structure (photo 1, 2), white mark on edge per seller, interior appears clean but lining type limits rehab"
    ],
    "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 3: Small gold-tone snap and strap hardware are visible; no Coach engraving is legible. The closure is not a vintage-style turnlock.",
        "leather_description": "photo 1: Brown smooth leather-like material with a contrasting embossed reptile-pattern lower panel; exact material cannot be confirmed from photos.",
        "lining_description": "photo 5-6: Dark fabric or synthetic lining is visible, with several organizer pockets and zip compartments; no creed patch is visible.",
        "strap_construction": "photo 2-3: Long narrow adjustable shoulder strap attached at the sides with small gold-tone hardware; stitching is visible along the strap edges.",
        "stitching_description": "photo 1-5: Generally straight, machine-like tone-on-tone stitching is visible around the body and trim; detailed stress-point construction is not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: This is clearly a shoulder handbag with a flap, long strap, and multiple compartments.",
                    "photo 1: Brown leather-like construction is compatible with the broad category of bags in which vintage Coach examples can occur."
                ],
                "negative_evidence": [
                    "photo 1: The exterior has a contrasting embossed reptile-pattern trim panel, a feature not characteristic of the classic solid glove-tanned Coach styles shown in the reference catalog.",
                    "photo 3: The closure appears to be a snap\/button arrangement rather than a recognizable Coach turnlock.",
                    "photo 3: Hardware appears light and plated rather than the heavy, solid-brass hardware typical of many vintage Coach classics.",
                    "photo 5: The interior is fabric-lined and has multiple modern organizer-style compartments; no Coach creed patch, wordmark, or horse-and-carriage is visible.",
                    "photo 6: Visible zipper construction and dark synthetic-looking lining are more consistent with a generic modern handbag than a vintage unlined Coach classic.",
                    "photo 1: No Coach hangtag, logo, or other brand identifier is visible."
                ],
                "missing_information": [
                    "photo 5-6: A straight-on close-up of every interior wall and pocket seam would confirm whether a hidden creed or fabric brand tag exists.",
                    "photo 3: Close-ups of the closure, hardware backs, and zipper pulls could identify the maker.",
                    "photo 1-4: Seller-stated material is not independently verifiable; a material composition label is not shown."
                ],
                "authenticity_concerns": [
                    "The bag lacks visible Coach identifiers and its lined, compartmentalized construction does not match the most likely vintage Coach silhouettes.",
                    "The reptile-pattern trim and apparent lightweight plated hardware are lookalike\/generic construction cues rather than Coach-specific evidence."
                ],
                "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 3: Small gold-tone snap and strap hardware are visible; no Coach engraving is legible. The closure is not a vintage-style turnlock.",
                    "leather_description": "photo 1: Brown smooth leather-like material with a contrasting embossed reptile-pattern lower panel; exact material cannot be confirmed from photos.",
                    "lining_description": "photo 5-6: Dark fabric or synthetic lining is visible, with several organizer pockets and zip compartments; no creed patch is visible.",
                    "strap_construction": "photo 2-3: Long narrow adjustable shoulder strap attached at the sides with small gold-tone hardware; stitching is visible along the strap edges.",
                    "stitching_description": "photo 1-5: Generally straight, machine-like tone-on-tone stitching is visible around the body and trim; detailed stress-point construction is not shown."
                },
                "possible_model_reasoning": [
                    "The flap, approximately 11-by-7-inch proportions, long strap, and multiple interior compartments do not closely match a specific documented vintage Coach model.",
                    "The lined organizer interior and decorative reptile-pattern panel point toward a generic modern leather or leather-like shoulder bag rather than a classic unlined Coach City Bag, Court, Willis, or Station.",
                    "Condition: Good to Very Good based on visible creasing and handling wear; the seller notes a small white edge mark, visible condition of the underside and strap fold is limited."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no creed patch shown - request straight-on interior back wall \/ slip pocket photo to confirm absence",
                    "no hardware close-up of zipper pull brand stamp",
                    "no bottom \/ corner close-up"
                ],
                "negative_evidence": [
                    "photo 5: flap closes with round magnetic \/ snap button, not Coach turnlock geometry",
                    "photo 5: exterior front has 3 slip pockets with center divider - not a classic Coach interior layout",
                    "photo 5, photo 6: brown synthetic fabric lining, not unlined suede-back glove-tanned leather",
                    "photo 1, photo 2: smooth coated leather-look surface with embossed croc-trim on flap edge, not vintage glove-tanned grain",
                    "photo 3: thin flat strap with gold-tone rivet, no brass buckle slide or dogleash clips",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone snap button on front pocket and gold-tone zipper top; no turnlock, no solid brass hardware, no branded pulls visible",
                    "leather_description": "dark brown smooth coated material with sheen and creasing, embossed reptile pattern on flap border; appears synthetic \/ heavily coated, not matte glove-tanned cowhide",
                    "lining_description": "brown synthetic fabric lining in flap underside and main compartment visible in photo 5 and photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching in matching brown thread around flap and pockets, visible in photo 1, 4, 5",
                    "strap_construction": "thin flat shoulder strap, sewn \/ riveted to sides, 48 in per seller, no buckle adjustment or detachable clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "11x7x2 in flap shoulder bag with snap closure and fabric lining does not match any catalog Coach classic (City Bag 9790, Court 9870, Station 5130, Willis 9927 all use turnlock + unlined glove-tanned + solid brass)",
                    "no Coach hard identifiers visible in 6 photos despite interior views in photo 5 and photo 6",
                    "materials and construction (coated faux-like leather, fabric lining, snap, thin strap, croc-embossed trim) point to modern generic fast-fashion shoulder bag",
                    "Condition: Good; light creasing and soft structure (photo 1, 2), white mark on edge per seller, interior appears clean but lining type limits rehab"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17759,
            "output_tokens": 885,
            "total_tokens": 18644,
            "estimated_cost_usd": 0.009228
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18094,
            "output_tokens": 1188,
            "total_tokens": 19282,
            "estimated_cost_usd": 0.004569
        }
    ]
}