Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.45,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.78,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag-sized envelope clutch with a flap and multiple interior compartments.",
        "photo 3: visible leather-like construction and generally even perimeter stitching."
    ],
    "negative_evidence": [
        "photo 1: glossy, segmented eel-skin-style exterior is not characteristic of classic Coach glove-tanned cowhide.",
        "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware.",
        "photo 3: interior shows multiple zipper compartments and snap closures, with no visible Coach creed or fabric tag.",
        "photo 1: the rectangular envelope-clutch silhouette does not closely match the listed classic Coach models.",
        "listing title: seller describes it as eel skin and unbranded; this is weak text evidence and cannot establish Coach manufacture.",
        "photo 1, photo 2: body is glossy pieced eel skin, not glove-tanned cowhide described in Coach creeds",
        "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 3: magnetic snap closure and double top zippers, not vintage Coach solid-brass turnlock \/ Talon zipper classic construction",
        "photo 1: envelope clutch silhouette with center tab does not match catalog Coach classics (City Bag, Willis, Court, Dinky, etc.)"
    ],
    "missing_information": [
        "photo 3: close-up photographs of every interior wall and pocket seam to confirm whether any creed, fabric label, or maker mark is present.",
        "photo 3: close-up of zipper pulls and snap hardware for any maker markings.",
        "photos 1-3: bottom, side, and edge close-ups, plus a clear measurement photo.",
        "seller-stated material details and any provenance or markings not visible in the supplied photos.",
        "photo 3: interior compartments shown but no creed patch or brand stamp visible - need straight-on raking-light photo of any interior patch or stamp",
        "photo 1-3: no COACH wordmark, hangtag, or creed visible - need photos of both faces of any hangtag and interior walls",
        "photo 3: zipper pull brand stamps not legible - need close-up of pulls and magnetic snap"
    ],
    "authenticity_concerns": [
        "photo 1: exotic eel-skin-style material and glossy finish are inconsistent with the typical vintage Coach glove-tanned leather population.",
        "photos 1-3: no Coach identifier is visible, so Coach manufacture cannot be supported from the listing photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is listed because the bag has no visible Coach identifier and its eel-skin envelope-clutch construction does not closely match the supplied Coach catalog silhouettes.",
        "Era cannot be established from the photos; the seller's 'Vtg 80s' title is unverified listing text.",
        "Condition: Good; visible creasing and surface wear are present, with a loose thread near the lower edge (photo 3); interior odor, mold, and full edge condition are unknown.",
        "No Coach identifier visible in any photo, so no Coach model can be ranked",
        "Eel skin material and envelope-clutch with magnetic snap and double zips is inconsistent with 1970s-1990s Coach glove-tanned classics",
        "Condition: Very Good to Excellent based on photos 1-3; glossy surface intact, no corner wear-through shown, interior looks clean; bottom corners\/sides not shown so capped"
    ],
    "estimated_era": "unknown",
    "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": "photos 1 and 3: gold-tone snap closures and zipper hardware are visible; no Coach engraving is legible.",
        "leather_description": "photos 1 and 2: dark brown, glossy, narrow segmented panels consistent with the seller-described eel skin; not the usual matte glove-tanned cowhide appearance.",
        "lining_description": "photo 3: brown suede-like or brushed lining is visible, with multiple zippered compartments; exact material cannot be confirmed.",
        "strap_construction": "not_visible; no shoulder strap is shown.",
        "stitching_description": "photos 1-3: visible machine stitching appears generally straight and fairly even, with some loose thread visible near the lower edge in photo 3."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0042,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag-sized envelope clutch with a flap and multiple interior compartments.",
                    "photo 3: visible leather-like construction and generally even perimeter stitching."
                ],
                "negative_evidence": [
                    "photo 1: glossy, segmented eel-skin-style exterior is not characteristic of classic Coach glove-tanned cowhide.",
                    "photo 1: no visible COACH wordmark, horse-and-carriage, hangtag, or recognizable Coach hardware.",
                    "photo 3: interior shows multiple zipper compartments and snap closures, with no visible Coach creed or fabric tag.",
                    "photo 1: the rectangular envelope-clutch silhouette does not closely match the listed classic Coach models.",
                    "listing title: seller describes it as eel skin and unbranded; this is weak text evidence and cannot establish Coach manufacture."
                ],
                "missing_information": [
                    "photo 3: close-up photographs of every interior wall and pocket seam to confirm whether any creed, fabric label, or maker mark is present.",
                    "photo 3: close-up of zipper pulls and snap hardware for any maker markings.",
                    "photos 1-3: bottom, side, and edge close-ups, plus a clear measurement photo.",
                    "seller-stated material details and any provenance or markings not visible in the supplied photos."
                ],
                "authenticity_concerns": [
                    "photo 1: exotic eel-skin-style material and glossy finish are inconsistent with the typical vintage Coach glove-tanned leather population.",
                    "photos 1-3: no Coach identifier is visible, so Coach manufacture cannot be supported from the listing photos."
                ],
                "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": "photos 1 and 3: gold-tone snap closures and zipper hardware are visible; no Coach engraving is legible.",
                    "leather_description": "photos 1 and 2: dark brown, glossy, narrow segmented panels consistent with the seller-described eel skin; not the usual matte glove-tanned cowhide appearance.",
                    "lining_description": "photo 3: brown suede-like or brushed lining is visible, with multiple zippered compartments; exact material cannot be confirmed.",
                    "strap_construction": "not_visible; no shoulder strap is shown.",
                    "stitching_description": "photos 1-3: visible machine stitching appears generally straight and fairly even, with some loose thread visible near the lower edge in photo 3."
                },
                "possible_model_reasoning": [
                    "No Coach model is listed because the bag has no visible Coach identifier and its eel-skin envelope-clutch construction does not closely match the supplied Coach catalog silhouettes.",
                    "Era cannot be established from the photos; the seller's 'Vtg 80s' title is unverified listing text.",
                    "Condition: Good; visible creasing and surface wear are present, with a loose thread near the lower edge (photo 3); interior odor, mold, and full edge condition are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "unknown",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 3: interior compartments shown but no creed patch or brand stamp visible - need straight-on raking-light photo of any interior patch or stamp",
                    "photo 1-3: no COACH wordmark, hangtag, or creed visible - need photos of both faces of any hangtag and interior walls",
                    "photo 3: zipper pull brand stamps not legible - need close-up of pulls and magnetic snap"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: body is glossy pieced eel skin, not glove-tanned cowhide described in Coach creeds",
                    "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 3: magnetic snap closure and double top zippers, not vintage Coach solid-brass turnlock \/ Talon zipper classic construction",
                    "photo 1: envelope clutch silhouette with center tab does not match catalog Coach classics (City Bag, Willis, Court, Dinky, etc.)"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone magnetic snap (photo 3) and two top zip sliders with leather-adjacent pulls; stamps not legible; no solid-brass turnlock",
                    "leather_description": "photo 1, photo 2: dark brown glossy eel skin in pieced strips with chevron pattern on flap, smooth leather trim; not glove-tanned cowhide",
                    "lining_description": "photo 3: brown suede \/ napped leather underside of flap; compartment exteriors same eel skin; no fabric lining visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1, photo 2: straight edge stitching tone-matched to brown trim, even around perimeter; no detail to indicate Coach",
                    "strap_construction": "clutch with no strap visible in photos 1-3",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo, so no Coach model can be ranked",
                    "Eel skin material and envelope-clutch with magnetic snap and double zips is inconsistent with 1970s-1990s Coach glove-tanned classics",
                    "Condition: Very Good to Excellent based on photos 1-3; glossy surface intact, no corner wear-through shown, interior looks clean; bottom corners\/sides not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.55
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 21939,
            "output_tokens": 896,
            "total_tokens": 22835,
            "estimated_cost_usd": 0.010926
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 22735,
            "output_tokens": 1453,
            "total_tokens": 24188,
            "estimated_cost_usd": 0.005709
        }
    ]
}