Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.77,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.83,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with top handles, a detachable shoulder strap, side rings, and a zippered opening.",
        "photo 1: Burgundy glossy leather-like exterior and relatively substantial construction are compatible with a secondhand leather handbag, but are not specifically Coach indicators.",
        "photo 1: Stitching appears generally even in the visible exterior areas."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or creed patch.",
        "photo 1: The glossy patent-like finish is unlike the matte-to-satin glove-tanned leather typical of classic vintage Coach.",
        "photo 1: Bright gold-tone decorative handle plates and elongated slot hardware do not resemble the understated solid-brass turnlocks, buckles, or dogleash hardware used on classic Coach bags.",
        "photo 1: The large tote\/satchel silhouette and decorative hardware appear generic rather than identifiable as a catalog Coach style.",
        "photo 6: Visible zipper and strap hardware show no legible Coach marking.",
        "photo 1: Seller lists the bag as unbranded; this is consistent with the absence of any visible brand identifier, though seller text alone is weak evidence.",
        "photo 1: high-gloss burgundy patent\/coated finish unlike vintage Coach matte glove-tanned cowhide",
        "photo 1: bright gold-tone plated slotted handle plates, D-rings and lobster clips, not vintage solid brass turnlock \/ hardware",
        "photo 1-6: no turnlock closure, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 6: exterior back zip pocket with thin plated zipper, not a classic Coach silhouette \/ layout",
        "photo 1-6: modern satchel-tote with detachable thin crossbody strap, no catalog Coach match"
    ],
    "missing_information": [
        "Straight-on interior photo, including every interior wall, pocket, label, and sewn-in tag.",
        "Close-up photo of any interior leather patch or fabric tag.",
        "Close-up photos of zipper pulls and all hardware for possible maker markings.",
        "Bottom, corners, and full strap-condition photos.",
        "Seller-stated dimensions and material composition.",
        "interior views including lining and any interior patch or labels not shown",
        "creed patch close-up not shown",
        "hardware engravings \/ zipper brand not shown",
        "bottom view not shown"
    ],
    "authenticity_concerns": [
        "The visible construction and decorative plated-looking hardware are inconsistent with the classic vintage Coach construction profile.",
        "No Coach identifier is visible in the supplied exterior photos; the bag should be treated as a generic unbranded handbag unless an interior identifier is found."
    ],
    "possible_model_reasoning": [
        "The bag is a large structured tote\/satchel with top handles and a detachable crossbody strap, but its silhouette does not closely match a recognizable Coach classic shown in the reference catalog.",
        "The glossy coated\/patent appearance and bright decorative hardware suggest a modern generic fashion handbag rather than a pre-2000 glove-tanned Coach bag.",
        "Condition: Good to Very Good based on visible surface creasing and rubbing\/variation in the glossy finish; corners, interior, odor, and lining cannot be assessed.",
        "No Coach model fits: silhouette, glossy patent material, slotted plate handle hardware and back zip do not match any classic or modern Coach catalog style",
        "No hard identifiers visible in any of 6 photos to decode era or style",
        "Condition: Excellent to Like New exterior; glossy surface intact, no corner wear visible (photos 1-6), interior not shown so lining unknown and grade capped"
    ],
    "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: Bright gold-tone rectangular decorative handle plates with elongated openings, side D-rings, and lobster-style strap clips; no markings are legible. Hardware appears plated or polished rather than classic aged brass.",
        "leather_description": "photo 1: Burgundy glossy patent-like or heavily coated leather-like material with prominent surface reflection and creasing; exact material cannot be confirmed from photos.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: Matching glossy burgundy detachable shoulder strap with stitched edges, adjustment buckle, and side clips.",
        "stitching_description": "photos 1-6: Visible exterior stitching is mostly regular and tonal, with several structural seams and a reinforced bottom panel; interior stitching is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with top handles, a detachable shoulder strap, side rings, and a zippered opening.",
                    "photo 1: Burgundy glossy leather-like exterior and relatively substantial construction are compatible with a secondhand leather handbag, but are not specifically Coach indicators.",
                    "photo 1: Stitching appears generally even in the visible exterior areas."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or creed patch.",
                    "photo 1: The glossy patent-like finish is unlike the matte-to-satin glove-tanned leather typical of classic vintage Coach.",
                    "photo 1: Bright gold-tone decorative handle plates and elongated slot hardware do not resemble the understated solid-brass turnlocks, buckles, or dogleash hardware used on classic Coach bags.",
                    "photo 1: The large tote\/satchel silhouette and decorative hardware appear generic rather than identifiable as a catalog Coach style.",
                    "photo 6: Visible zipper and strap hardware show no legible Coach marking.",
                    "photo 1: Seller lists the bag as unbranded; this is consistent with the absence of any visible brand identifier, though seller text alone is weak evidence."
                ],
                "missing_information": [
                    "Straight-on interior photo, including every interior wall, pocket, label, and sewn-in tag.",
                    "Close-up photo of any interior leather patch or fabric tag.",
                    "Close-up photos of zipper pulls and all hardware for possible maker markings.",
                    "Bottom, corners, and full strap-condition photos.",
                    "Seller-stated dimensions and material composition."
                ],
                "authenticity_concerns": [
                    "The visible construction and decorative plated-looking hardware are inconsistent with the classic vintage Coach construction profile.",
                    "No Coach identifier is visible in the supplied exterior photos; the bag should be treated as a generic unbranded handbag unless an interior identifier is 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": "photo 1: Bright gold-tone rectangular decorative handle plates with elongated openings, side D-rings, and lobster-style strap clips; no markings are legible. Hardware appears plated or polished rather than classic aged brass.",
                    "leather_description": "photo 1: Burgundy glossy patent-like or heavily coated leather-like material with prominent surface reflection and creasing; exact material cannot be confirmed from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-6: Matching glossy burgundy detachable shoulder strap with stitched edges, adjustment buckle, and side clips.",
                    "stitching_description": "photos 1-6: Visible exterior stitching is mostly regular and tonal, with several structural seams and a reinforced bottom panel; interior stitching is not visible."
                },
                "possible_model_reasoning": [
                    "The bag is a large structured tote\/satchel with top handles and a detachable crossbody strap, but its silhouette does not closely match a recognizable Coach classic shown in the reference catalog.",
                    "The glossy coated\/patent appearance and bright decorative hardware suggest a modern generic fashion handbag rather than a pre-2000 glove-tanned Coach bag.",
                    "Condition: Good to Very Good based on visible surface creasing and rubbing\/variation in the glossy finish; corners, interior, odor, and lining cannot be assessed."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including lining and any interior patch or labels not shown",
                    "creed patch close-up not shown",
                    "hardware engravings \/ zipper brand not shown",
                    "bottom view not shown"
                ],
                "negative_evidence": [
                    "photo 1: high-gloss burgundy patent\/coated finish unlike vintage Coach matte glove-tanned cowhide",
                    "photo 1: bright gold-tone plated slotted handle plates, D-rings and lobster clips, not vintage solid brass turnlock \/ hardware",
                    "photo 1-6: no turnlock closure, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 6: exterior back zip pocket with thin plated zipper, not a classic Coach silhouette \/ layout",
                    "photo 1-6: modern satchel-tote with detachable thin crossbody strap, no catalog Coach match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware: slotted rectangular handle anchor plates with studs, round D-rings, lobster-claw crossbody clips, back zipper; shiny plated appearance, not solid brass vintage",
                    "leather_description": "burgundy high-gloss patent \/ patent-like coated finish with wrinkled sheen, not matte glove-tanned full-grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching visible along top edge and panels; no mismatched thread observed",
                    "strap_construction": "two short rolled top handles anchored with metal plates plus thin detachable crossbody strap on D-rings with lobster clips and buckle adjustment",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, glossy patent material, slotted plate handle hardware and back zip do not match any classic or modern Coach catalog style",
                    "No hard identifiers visible in any of 6 photos to decode era or style",
                    "Condition: Excellent to Like New exterior; glossy surface intact, no corner wear visible (photos 1-6), interior not shown so lining unknown and grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 29975,
            "output_tokens": 840,
            "total_tokens": 30815,
            "estimated_cost_usd": 0.014006
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 31709,
            "output_tokens": 1268,
            "total_tokens": 32977,
            "estimated_cost_usd": 0.007356
        }
    ]
}