Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.88,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: identifiable structured top-handle and crossbody handbag silhouette.",
        "photo 2: brown suede-like flap and brown smooth body are visible."
    ],
    "negative_evidence": [
        "photo 1: central rectangular clasp is not a recognizable vintage Coach turnlock.",
        "photo 1: hardware appears bright plated gold-tone rather than the substantial, era-consistent brass hardware typical of vintage Coach classics.",
        "photos 1-4: no Coach wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
        "photos 1, 2, 4: the construction appears fashion-oriented, with suede-like material combined with smooth faux-leather-like panels and narrow straps.",
        "photo 7: interior appears black and fabric-like with multiple zip compartments, not the typical unlined glove-tanned construction of many classic vintage Coach bags.",
        "listing title: seller describes the bag as faux leather and lists it as unbranded; this is weak evidence for a generic fashion bag, not Coach.",
        "photo 1: seller title states 'Faux Leather' - faux\/PU is coach_probability <=0.05 per skill",
        "photo 1-4: closure is small rectangular bar\/tab, not vintage Coach turnlock geometry with wide oval backplate",
        "photo 1-5: bright gold-tone plated hardware with thin modern top-handle mounts and lobster-claw crossbody clips, not solid brass vintage hardware",
        "photo 6: dark fabric lining with center zip compartment, not unlined suede-back glove-tanned classic interior",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1-5: structured modern fast-fashion satchel silhouette with suede flap over smooth coated body does not match any catalog classic"
    ],
    "missing_information": [
        "Straight-on close-up of the interior back wall and every interior pocket for any hidden brand label or creed.",
        "Close-up of all hardware, zipper pulls, and strap attachment points.",
        "Bottom, corners, and full interior views.",
        "Material and care label, if present.",
        "Seller-stated dimensions and approximate purchase date.",
        "photo 6: interior only partially visible, no creed patch or fabric tag shown - request straight-on interior wall photo",
        "photo 1-6: no bottom, hardware engraving, or lining close-up shown",
        "photo 1-6: no hangtag or wordmark close-up, none visible"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible despite multiple clear exterior and interior views.",
        "The clasp and mixed suede-like\/smooth faux-leather construction do not match a recognizable Coach vintage model or classic Coach construction.",
        "The listing's faux-leather description is inconsistent with the full-grain glove-tanned leather population where unbranded vintage Coach is most often found."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the rectangular center clasp, two-material construction, and multi-compartment interior do not correspond clearly to the listed vintage Coach classics.",
        "Condition: Very Good based on the clean exterior and intact-looking straps and hardware in photos 1-7; bottom wear, odor, and material durability are not fully assessable.",
        "No Coach model fits: silhouette, bar closure, faux materials, fabric lining and plated hardware are inconsistent with all vintage glove-tanned classics and modern Coach lines",
        "Condition: Like New \/ Mint appearing in photos 1-5 with no visible wear, but modern synthetic bag - condition adds no Coach value"
    ],
    "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": "Bright gold-tone rectangular center clasp, small gold-tone strap hardware, buckles, and lobster-style clips visible in photos 1-7; no Coach engraving is visible.",
        "leather_description": "Brown suede-like flap with smooth, glossy brown faux-leather-like body and trim; seller explicitly describes faux leather.",
        "lining_description": "Black fabric-like lining and multiple zippered compartments visible in photo 7; exact textile cannot be determined.",
        "strap_construction": "Long narrow adjustable crossbody strap with small buckles and detachable clips; short top handles attached with small gold-tone fittings.",
        "stitching_description": "Visible perimeter stitching is generally even but relatively fine and fashion-bag-like; no distinctive Coach construction can be established."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: identifiable structured top-handle and crossbody handbag silhouette.",
                    "photo 2: brown suede-like flap and brown smooth body are visible."
                ],
                "negative_evidence": [
                    "photo 1: central rectangular clasp is not a recognizable vintage Coach turnlock.",
                    "photo 1: hardware appears bright plated gold-tone rather than the substantial, era-consistent brass hardware typical of vintage Coach classics.",
                    "photos 1-4: no Coach wordmark, horse-and-carriage, creed patch, or hangtag is visible.",
                    "photos 1, 2, 4: the construction appears fashion-oriented, with suede-like material combined with smooth faux-leather-like panels and narrow straps.",
                    "photo 7: interior appears black and fabric-like with multiple zip compartments, not the typical unlined glove-tanned construction of many classic vintage Coach bags.",
                    "listing title: seller describes the bag as faux leather and lists it as unbranded; this is weak evidence for a generic fashion bag, not Coach."
                ],
                "missing_information": [
                    "Straight-on close-up of the interior back wall and every interior pocket for any hidden brand label or creed.",
                    "Close-up of all hardware, zipper pulls, and strap attachment points.",
                    "Bottom, corners, and full interior views.",
                    "Material and care label, if present.",
                    "Seller-stated dimensions and approximate purchase date."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible despite multiple clear exterior and interior views.",
                    "The clasp and mixed suede-like\/smooth faux-leather construction do not match a recognizable Coach vintage model or classic Coach construction.",
                    "The listing's faux-leather description is inconsistent with the full-grain glove-tanned leather population where unbranded vintage Coach is most often found."
                ],
                "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": "Bright gold-tone rectangular center clasp, small gold-tone strap hardware, buckles, and lobster-style clips visible in photos 1-7; no Coach engraving is visible.",
                    "leather_description": "Brown suede-like flap with smooth, glossy brown faux-leather-like body and trim; seller explicitly describes faux leather.",
                    "lining_description": "Black fabric-like lining and multiple zippered compartments visible in photo 7; exact textile cannot be determined.",
                    "strap_construction": "Long narrow adjustable crossbody strap with small buckles and detachable clips; short top handles attached with small gold-tone fittings.",
                    "stitching_description": "Visible perimeter stitching is generally even but relatively fine and fashion-bag-like; no distinctive Coach construction can be established."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the rectangular center clasp, two-material construction, and multi-compartment interior do not correspond clearly to the listed vintage Coach classics.",
                    "Condition: Very Good based on the clean exterior and intact-looking straps and hardware in photos 1-7; bottom wear, odor, and material durability are not fully assessable."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 6: interior only partially visible, no creed patch or fabric tag shown - request straight-on interior wall photo",
                    "photo 1-6: no bottom, hardware engraving, or lining close-up shown",
                    "photo 1-6: no hangtag or wordmark close-up, none visible"
                ],
                "negative_evidence": [
                    "photo 1: seller title states 'Faux Leather' - faux\/PU is coach_probability <=0.05 per skill",
                    "photo 1-4: closure is small rectangular bar\/tab, not vintage Coach turnlock geometry with wide oval backplate",
                    "photo 1-5: bright gold-tone plated hardware with thin modern top-handle mounts and lobster-claw crossbody clips, not solid brass vintage hardware",
                    "photo 6: dark fabric lining with center zip compartment, not unlined suede-back glove-tanned classic interior",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1-5: structured modern fast-fashion satchel silhouette with suede flap over smooth coated body does not match any catalog classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated modern hardware; small rectangular bar flap clasp, square buckle on strap, lobster-claw crossbody clips, small D-ring top-handle mounts",
                    "leather_description": "seller states suede and faux leather; flap appears brown suede-like nap, body appears smooth brown synthetic with sheen, not glove-tanned cowhide",
                    "lining_description": "dark fabric lining partially visible in photo 6 with zippered compartment; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching, tone-matched to brown body, visible around flap and edges",
                    "strap_construction": "short rolled top handle on metal mounts plus thin detachable adjustable crossbody strap on lobster clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, bar closure, faux materials, fabric lining and plated hardware are inconsistent with all vintage glove-tanned classics and modern Coach lines",
                    "Condition: Like New \/ Mint appearing in photos 1-5 with no visible wear, but modern synthetic bag - condition adds no Coach value"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28779,
            "output_tokens": 848,
            "total_tokens": 29627,
            "estimated_cost_usd": 0.013547
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30135,
            "output_tokens": 1186,
            "total_tokens": 31321,
            "estimated_cost_usd": 0.006976
        }
    ]
}