Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.035,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.59,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.71,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: shoulder handbag form with flap closure broadly in handbag population where misidentified Coach hides"
    ],
    "negative_evidence": [
        "photo 1: The bag has a generic multi-pocket suede shoulder\/crossbody silhouette without a visible Coach wordmark, carriage, creed patch, or hangtag.",
        "photo 1: The front pocket closures appear decorative and generic rather than clearly matching a classic Coach turnlock.",
        "photo 1: The visible dark lining and overall padded commuter-bag construction are more consistent with a modern fashion bag than a vintage Coach classic.",
        "photo 1: The seller identifies the item as unbranded; this is weak context only and does not establish Coach manufacture.",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
        "photo 1: modern pillow-suede hobo with two exterior flap pockets with round gold-tone twist locks and side exterior kisslock coin purse - no match in Coach catalog",
        "photo 1: thin gold-tone plated hardware and suede-like finish with piped edges, not vintage solid brass + glove-tanned unlined construction",
        "photo 1: inset labeled Bag lining shows brown fabric lining, not unlined suede-back glove-tanned classic interior"
    ],
    "missing_information": [
        "photo 1: No straight-on interior-wall or pocket close-up showing whether a creed patch or fabric tag exists.",
        "No close-up of hardware, zipper pulls, underside of closures, or any maker stamps.",
        "No bottom, back, strap-end, or full interior photos.",
        "Seller-stated dimensions and material composition are not provided.",
        "photo 1: creed patch \/ interior back wall not shown - need straight-on creed photo in raking light",
        "photo 1: no back, bottom, close-up hardware views - need turnlock back plate, zipper-pull stamps, Made-in line",
        "photo 1: hangtag both faces and chain not shown",
        "photo 1: strap ends, buckle holes and fold point not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The visible construction does not show a Coach identifier and resembles an unbranded Coach-style\/lookalike bag.",
        "photo 1: The modern padded suede, multiple utility pockets, and shiny gold-tone hardware do not match a clearly identifiable vintage Coach model."
    ],
    "possible_model_reasoning": [
        "photo 1: The large slouchy multi-pocket shoulder-bag shape is not a reliable match for a specific Coach catalog model; no Coach model is proposed.",
        "photo 1: No creed, serial\/style number, country line, or wordmark is visible, so Coach-era dating and model verification are unavailable.",
        "photo 1: Condition appears approximately Very Good from the visible exterior, with no major damage apparent; interior, odor, bottom corners, and strap wear are not adequately shown.",
        "No Coach model fits: multi-pocket pillow suede hobo with side kisslock purse and dual twist-lock pockets has no 1970s-1990s classic or 2016+ Pillow Tabby counterpart",
        "No identifiers to decode: no creed, serial, country, wordmark or hangtag visible to date era",
        "Condition: Like New \/ Mint appearance in photo 1 but single composite view caps grade - bottom, interior and strap wear unknown"
    ],
    "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": "photo 1: Gold-tone round front closures, small rivets, strap rings, and a side zipper pull are visible; no Coach engraving is legible. The closures appear decorative or generic rather than a clearly identifiable vintage Coach turnlock.",
        "leather_description": "photo 1: Brown suede or suede-like material with darker smooth-looking trim; exact material and whether it is genuine leather cannot be confirmed.",
        "lining_description": "photo 1 inset: Dark brown smooth-looking lining is visible, but its fiber and construction cannot be determined.",
        "strap_construction": "photo 1: Wide adjustable shoulder strap with stitched edges and a buckle\/adjustment section; attached by metal rings.",
        "stitching_description": "photo 1: Visible machine stitching is generally even and tonal, but stress points and internal construction are not sufficiently shown for assessment."
    },
    "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": 0.68,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has a generic multi-pocket suede shoulder\/crossbody silhouette without a visible Coach wordmark, carriage, creed patch, or hangtag.",
                    "photo 1: The front pocket closures appear decorative and generic rather than clearly matching a classic Coach turnlock.",
                    "photo 1: The visible dark lining and overall padded commuter-bag construction are more consistent with a modern fashion bag than a vintage Coach classic.",
                    "photo 1: The seller identifies the item as unbranded; this is weak context only and does not establish Coach manufacture."
                ],
                "missing_information": [
                    "photo 1: No straight-on interior-wall or pocket close-up showing whether a creed patch or fabric tag exists.",
                    "No close-up of hardware, zipper pulls, underside of closures, or any maker stamps.",
                    "No bottom, back, strap-end, or full interior photos.",
                    "Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible construction does not show a Coach identifier and resembles an unbranded Coach-style\/lookalike bag.",
                    "photo 1: The modern padded suede, multiple utility pockets, and shiny gold-tone hardware do not match a clearly identifiable vintage Coach model."
                ],
                "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": "photo 1: Gold-tone round front closures, small rivets, strap rings, and a side zipper pull are visible; no Coach engraving is legible. The closures appear decorative or generic rather than a clearly identifiable vintage Coach turnlock.",
                    "leather_description": "photo 1: Brown suede or suede-like material with darker smooth-looking trim; exact material and whether it is genuine leather cannot be confirmed.",
                    "lining_description": "photo 1 inset: Dark brown smooth-looking lining is visible, but its fiber and construction cannot be determined.",
                    "strap_construction": "photo 1: Wide adjustable shoulder strap with stitched edges and a buckle\/adjustment section; attached by metal rings.",
                    "stitching_description": "photo 1: Visible machine stitching is generally even and tonal, but stress points and internal construction are not sufficiently shown for assessment."
                },
                "possible_model_reasoning": [
                    "photo 1: The large slouchy multi-pocket shoulder-bag shape is not a reliable match for a specific Coach catalog model; no Coach model is proposed.",
                    "photo 1: No creed, serial\/style number, country line, or wordmark is visible, so Coach-era dating and model verification are unavailable.",
                    "photo 1: Condition appears approximately Very Good from the visible exterior, with no major damage apparent; interior, odor, bottom corners, and strap wear are not adequately shown."
                ],
                "confidence": 0.72,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1: creed patch \/ interior back wall not shown - need straight-on creed photo in raking light",
                    "photo 1: no back, bottom, close-up hardware views - need turnlock back plate, zipper-pull stamps, Made-in line",
                    "photo 1: hangtag both faces and chain not shown",
                    "photo 1: strap ends, buckle holes and fold point not shown"
                ],
                "negative_evidence": [
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
                    "photo 1: modern pillow-suede hobo with two exterior flap pockets with round gold-tone twist locks and side exterior kisslock coin purse - no match in Coach catalog",
                    "photo 1: thin gold-tone plated hardware and suede-like finish with piped edges, not vintage solid brass + glove-tanned unlined construction",
                    "photo 1: inset labeled Bag lining shows brown fabric lining, not unlined suede-back glove-tanned classic interior"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone round twist locks on front pockets, small stud on main flap, silver-tone kisslock frame on side pocket, buckle slide on strap",
                    "leather_description": "dark brown suede \/ suede-like nap with piped trim, soft slouchy pillow construction",
                    "lining_description": "brown fabric lining visible in top-left inset, details not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible edge stitching around pockets and strap, no tight matched-thread vintage detail visible",
                    "strap_construction": "wide flat shoulder strap with buckle adjustment and riveted anchor tabs",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1: shoulder handbag form with flap closure broadly in handbag population where misidentified Coach hides"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: multi-pocket pillow suede hobo with side kisslock purse and dual twist-lock pockets has no 1970s-1990s classic or 2016+ Pillow Tabby counterpart",
                    "No identifiers to decode: no creed, serial, country, wordmark or hangtag visible to date era",
                    "Condition: Like New \/ Mint appearance in photo 1 but single composite view caps grade - bottom, interior and strap wear unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15870,
            "output_tokens": 824,
            "total_tokens": 16694,
            "estimated_cost_usd": 0.008326
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16185,
            "output_tokens": 1316,
            "total_tokens": 17501,
            "estimated_cost_usd": 0.00429
        }
    ]
}