Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.045,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.535,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.63,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: The item is clearly a small crossbody handbag with a flap and shoulder strap.",
        "photo 1: It has gold-tone side clips and a solid black exterior, but these features are generic and not specific to Coach.",
        "photo 1: is a flap shoulder\/crossbody handbag in black, the population where misidentified Coach could hide"
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or hangtag is visible.",
        "photo 1: The pebbled black material and thin edge-finished construction appear modern and generic rather than clearly vintage glove-tanned Coach leather.",
        "photo 1: The flap shape, narrow strap, and side hardware do not provide a strong match to a recognizable classic Coach model.",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 1: no vintage Coach turnlock with wide thin oval plate and slim tab visible; flap shows no lock",
        "photo 1: modern thin fixed shoulder strap with small gold-tone clips, not vintage Coach buckle-adjustable or dogleash construction",
        "photo 1: uniform black pebbled grain with smooth finished edges, not matte glove-tanned with natural scars\/veins and suede back"
    ],
    "missing_information": [
        "Interior view, including the back wall, slip pockets, and any creed patch.",
        "Close-up photos of the strap attachments, hardware, zipper or closure, and any interior labels.",
        "Bottom, side, and back views to assess construction and material.",
        "Seller-stated dimensions and a close-up of any hidden branding or fabric tag.",
        "photo 1 only front view: no interior, creed patch, back, bottom, side views shown",
        "turnlock \/ closure type under flap not shown",
        "hardware close-ups, zipper brand, hangtag faces not shown",
        "strap length, buckle holes, lining material not shown",
        "seller dimensions and materials not stated"
    ],
    "authenticity_concerns": [
        "photo 1: The bag has a generic contemporary appearance with no visible Coach identifiers; it is more consistent with an unbranded lookalike than a vintage Coach bag.",
        "photo 1: The visible pebbled finish and polished gold-tone clips do not establish the solid brass, glove-tanned construction associated with many vintage Coach classics."
    ],
    "possible_model_reasoning": [
        "photo 1: The compact flap crossbody silhouette is broadly similar to many generic fashion bags, but no Coach-specific model features or identifier are visible.",
        "photo 1: Estimated as modern (2000s+), non-Coach based on the contemporary pebbled exterior, narrow strap, and generic gold-tone hardware.",
        "Condition cannot be reliably graded because only one exterior product photo is provided; interior, bottom, corners, and strap condition are not shown.",
        "photo 1 silhouette is a modern curved flap shoulder bag with thin strap; does not match classic Coach catalog shapes like Willis (9927), Court (9870), Station (5130), Dinky (9375) in proportions, closure or strap",
        "no serial\/creed to decode, no era identifiers; construction reads modern non-Coach",
        "Condition: cannot grade; only front view, no corners, bottom, interior or strap wear visible"
    ],
    "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: Gold-tone clip hardware is visible at both strap ends; no branding is legible. Closure details are obscured by the flap.",
        "leather_description": "photo 1: Black pebbled leather-like or coated material is visible; exact material cannot be determined from the image.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long, narrow, adjustable-looking shoulder strap attached at both sides with clip hardware; buckle and underside are not visible.",
        "stitching_description": "photo 1: Visible perimeter stitching appears generally even, but close-up quality is insufficient for detailed construction assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.62,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: The item is clearly a small crossbody handbag with a flap and shoulder strap.",
                    "photo 1: It has gold-tone side clips and a solid black exterior, but these features are generic and not specific to Coach."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or hangtag is visible.",
                    "photo 1: The pebbled black material and thin edge-finished construction appear modern and generic rather than clearly vintage glove-tanned Coach leather.",
                    "photo 1: The flap shape, narrow strap, and side hardware do not provide a strong match to a recognizable classic Coach model."
                ],
                "missing_information": [
                    "Interior view, including the back wall, slip pockets, and any creed patch.",
                    "Close-up photos of the strap attachments, hardware, zipper or closure, and any interior labels.",
                    "Bottom, side, and back views to assess construction and material.",
                    "Seller-stated dimensions and a close-up of any hidden branding or fabric tag."
                ],
                "authenticity_concerns": [
                    "photo 1: The bag has a generic contemporary appearance with no visible Coach identifiers; it is more consistent with an unbranded lookalike than a vintage Coach bag.",
                    "photo 1: The visible pebbled finish and polished gold-tone clips do not establish the solid brass, glove-tanned construction associated with many vintage Coach classics."
                ],
                "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: Gold-tone clip hardware is visible at both strap ends; no branding is legible. Closure details are obscured by the flap.",
                    "leather_description": "photo 1: Black pebbled leather-like or coated material is visible; exact material cannot be determined from the image.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long, narrow, adjustable-looking shoulder strap attached at both sides with clip hardware; buckle and underside are not visible.",
                    "stitching_description": "photo 1: Visible perimeter stitching appears generally even, but close-up quality is insufficient for detailed construction assessment."
                },
                "possible_model_reasoning": [
                    "photo 1: The compact flap crossbody silhouette is broadly similar to many generic fashion bags, but no Coach-specific model features or identifier are visible.",
                    "photo 1: Estimated as modern (2000s+), non-Coach based on the contemporary pebbled exterior, narrow strap, and generic gold-tone hardware.",
                    "Condition cannot be reliably graded because only one exterior product photo is provided; interior, bottom, corners, and strap condition are not shown."
                ],
                "confidence": 0.61,
                "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": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior, creed patch, back, bottom, side views shown",
                    "turnlock \/ closure type under flap not shown",
                    "hardware close-ups, zipper brand, hangtag faces not shown",
                    "strap length, buckle holes, lining material not shown",
                    "seller dimensions and materials not stated"
                ],
                "negative_evidence": [
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 1: no vintage Coach turnlock with wide thin oval plate and slim tab visible; flap shows no lock",
                    "photo 1: modern thin fixed shoulder strap with small gold-tone clips, not vintage Coach buckle-adjustable or dogleash construction",
                    "photo 1: uniform black pebbled grain with smooth finished edges, not matte glove-tanned with natural scars\/veins and suede back"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone small clips at strap ends visible in photo 1; turnlock, buckles, zipper pulls not visible",
                    "leather_description": "black pebbled-grain material in photo 1, appears modern coated\/pebbled, not classic smooth glove-tanned",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching along flap perimeter visible in photo 1, even but detail not resolvable",
                    "strap_construction": "thin fixed-length single-shoulder strap attached with gold-tone hardware in photo 1; adjustment, clips detail not visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: is a flap shoulder\/crossbody handbag in black, the population where misidentified Coach could hide"
                ],
                "possible_model_reasoning": [
                    "photo 1 silhouette is a modern curved flap shoulder bag with thin strap; does not match classic Coach catalog shapes like Willis (9927), Court (9870), Station (5130), Dinky (9375) in proportions, closure or strap",
                    "no serial\/creed to decode, no era identifiers; construction reads modern non-Coach",
                    "Condition: cannot grade; only front view, no corners, bottom, interior or strap wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
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            "output_tokens": 776,
            "total_tokens": 16615,
            "estimated_cost_usd": 0.008198
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}