Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.1,
    "confidence": 0.765,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has no visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or hangtag.",
        "photo 1: The ornate central hook-and-bar closure and multiple decorative side rings do not resemble standard vintage Coach turnlock geometry.",
        "photo 1: The distressed, highly glossy surface appears more consistent with coated or synthetic leather than Coach glove-tanned cowhide.",
        "photo 1: The woven\/stitched trim, chain strap, and decorative hardware suggest a generic fashion bag rather than a documented vintage Coach silhouette.",
        "photo 1: hook-and-loop front closure, not Coach turnlock geometry",
        "photo 1: chain crossbody strap threaded through side grommets, not Coach leather strap with brass dogleash clips or dowel handle",
        "photo 1: crinkled coated finish with decorative whipstitched flap trim unlike vintage glove-tanned cowhide",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible"
    ],
    "missing_information": [
        "photo 1: Interior, lining, underside, strap attachments, hardware backs, and any maker label are not shown.",
        "Request a straight-on interior photo, especially the back wall and pockets, to check for a creed or brand label.",
        "Request close-ups of the clasp, zipper pulls, strap ends, and any interior or exterior stamps.",
        "Seller-stated dimensions and material composition are unavailable.",
        "photo 1 only front view: no interior, creed, back, bottom, side views shown",
        "interior lining and any labels\/tags not shown",
        "hardware engravings and strap details not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The construction contains several lookalike indicators\u2014ornate plated-looking hardware, chain strap, decorative woven trim, and a possibly synthetic glossy finish\u2014with no Coach identifiers.",
        "photo 1: The bag's styling is not internally consistent with a classic vintage Coach leather handbag."
    ],
    "possible_model_reasoning": [
        "photo 1: No plausible Coach model match; the front hardware and chain construction differ from the classic Coach catalog styles.",
        "photo 1: Estimated as modern non-Coach based on glossy distressed material, decorative hardware, and absence of identifiers.",
        "Condition: Good to Fair; extensive surface cracking and wear are visible on the flap and body, while interior and functional hardware condition are unknown.",
        "photo 1 silhouette, hook closure, grommet\/chain construction and coated finish do not match any Coach catalog style in 4.1-4.3",
        "no Coach hard identifiers visible; construction points to modern unbranded fast-fashion shoulder bag",
        "Condition: appears clean\/new in studio front view but cannot grade without bottom, corners, interior and strap views"
    ],
    "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: Antique-brass-tone decorative rings, rivets, a hook-and-bar front closure, and a chain strap are visible; hardware markings are not readable.",
        "leather_description": "photo 1: Green material has a glossy distressed finish with extensive fine surface cracking; genuine leather versus coated synthetic material cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long metal chain strap appears attached through side rings; full attachment and condition are not shown.",
        "stitching_description": "photo 1: Visible perimeter stitching is generally even, with decorative woven or looped trim around the flap; detailed stress-point stitching is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0034,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has no visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or hangtag.",
                    "photo 1: The ornate central hook-and-bar closure and multiple decorative side rings do not resemble standard vintage Coach turnlock geometry.",
                    "photo 1: The distressed, highly glossy surface appears more consistent with coated or synthetic leather than Coach glove-tanned cowhide.",
                    "photo 1: The woven\/stitched trim, chain strap, and decorative hardware suggest a generic fashion bag rather than a documented vintage Coach silhouette."
                ],
                "missing_information": [
                    "photo 1: Interior, lining, underside, strap attachments, hardware backs, and any maker label are not shown.",
                    "Request a straight-on interior photo, especially the back wall and pockets, to check for a creed or brand label.",
                    "Request close-ups of the clasp, zipper pulls, strap ends, and any interior or exterior stamps.",
                    "Seller-stated dimensions and material composition are unavailable."
                ],
                "authenticity_concerns": [
                    "photo 1: The construction contains several lookalike indicators\u2014ornate plated-looking hardware, chain strap, decorative woven trim, and a possibly synthetic glossy finish\u2014with no Coach identifiers.",
                    "photo 1: The bag's styling is not internally consistent with a classic vintage Coach leather handbag."
                ],
                "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: Antique-brass-tone decorative rings, rivets, a hook-and-bar front closure, and a chain strap are visible; hardware markings are not readable.",
                    "leather_description": "photo 1: Green material has a glossy distressed finish with extensive fine surface cracking; genuine leather versus coated synthetic material cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long metal chain strap appears attached through side rings; full attachment and condition are not shown.",
                    "stitching_description": "photo 1: Visible perimeter stitching is generally even, with decorative woven or looped trim around the flap; detailed stress-point stitching is not assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: No plausible Coach model match; the front hardware and chain construction differ from the classic Coach catalog styles.",
                    "photo 1: Estimated as modern non-Coach based on glossy distressed material, decorative hardware, and absence of identifiers.",
                    "Condition: Good to Fair; extensive surface cracking and wear are visible on the flap and body, while interior and functional hardware condition are unknown."
                ],
                "confidence": 0.83,
                "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": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior, creed, back, bottom, side views shown",
                    "interior lining and any labels\/tags not shown",
                    "hardware engravings and strap details not shown"
                ],
                "negative_evidence": [
                    "photo 1: hook-and-loop front closure, not Coach turnlock geometry",
                    "photo 1: chain crossbody strap threaded through side grommets, not Coach leather strap with brass dogleash clips or dowel handle",
                    "photo 1: crinkled coated finish with decorative whipstitched flap trim unlike vintage glove-tanned cowhide",
                    "photo 1: 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": "antiqued brass-tone hook-and-post front clasp, side grommets with rings, chain crossbody strap",
                    "leather_description": "olive-green crinkled smooth finish with sheen, appears coated\/faux, whipstitched trim on flap edge",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible edge topstitching around flap and body, decorative whipstitch detail on flap border",
                    "strap_construction": "thin metal chain strap attached via side grommets\/rings, full length not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette, hook closure, grommet\/chain construction and coated finish do not match any Coach catalog style in 4.1-4.3",
                    "no Coach hard identifiers visible; construction points to modern unbranded fast-fashion shoulder bag",
                    "Condition: appears clean\/new in studio front view but cannot grade without bottom, corners, interior and strap views"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.04
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16333,
            "output_tokens": 752,
            "total_tokens": 17085,
            "estimated_cost_usd": 0.008338
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16747,
            "output_tokens": 1203,
            "total_tokens": 17950,
            "estimated_cost_usd": 0.004312
        }
    ]
}