Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.88,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.955,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 17.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: the bag has a glossy molded heart-shaped body consistent with rubber or plastic, not Coach glove-tanned leather.",
        "photo 1: the close-up shows a molded glossy exterior, synthetic zipper tape, and visible zipper construction.",
        "photo 5: hardware is bright plated gold-tone and includes a bulky geometric clasp arrangement, unlike typical vintage Coach construction.",
        "photo 2: the silhouette is a novelty heart-shaped festival crossbody, not a recognizable vintage Coach catalog silhouette.",
        "listing text: seller explicitly describes the item as vegan, rubber, and water resistant.",
        "photo 2,3,4: glossy molded plastic \/ jelly rubber body, not leather - coach_probability <=0.05 per procedure",
        "photo 1,3: unlined molded plastic interior with fabric zipper tape, no leather creed patch",
        "photo 2,3,4,5,6: heart-shaped novelty silhouette with top zip closure - no catalog Coach silhouette match",
        "photo 5,6: bright gold-tone plated lobster-claw strap clips and rings, not vintage solid brass",
        "seller text states Vegan, rubber crossbody purse - synthetic material"
    ],
    "missing_information": [
        "photo 1-6: no interior brand label or Coach creed is shown, although the listing states it is unlined.",
        "photo 1-6: no Coach wordmark, horse-and-carriage mark, hangtag, serial number, or style number is visible.",
        "photo 1-6: zipper-pull branding and full strap details are not shown clearly enough to identify a maker.",
        "No Coach identifiers to request; material alone excludes Coach - no creed, hardware stamp, or leather examination needed"
    ],
    "authenticity_concerns": [
        "photo 1-6: the synthetic rubber\/plastic material and novelty molded construction are inconsistent with the vintage Coach leather handbag population.",
        "photo 5: bright plated geometric hardware is a lookalike\/modern fashion-bag cue rather than evidence of Coach manufacture."
    ],
    "possible_model_reasoning": [
        "The heart-shaped novelty silhouette and glossy vegan rubber construction do not match the listed vintage Coach models.",
        "photo 1-6: no Coach identifier is visible, so there is no basis for assigning a Coach model or era beyond modern non-Coach construction.",
        "Condition: Good to Very Good; light surface wear and marks are visible in photos 3-4, while major structural damage is not apparent. Odor and hidden interior condition are unknown.",
        "No Coach model fits: heart-shaped molded jelly zip crossbody is not in vintage or modern Coach catalog",
        "Material and construction exclude Coach: plastic jelly plus plated hardware is inconsistent with any glove-tanned or signature-canvas era",
        "Condition: Good to Very Good; seller notes light wear, photos show glossy surface with minor marks, no leather to grade"
    ],
    "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 2-6: bright gold-tone plated rings, lobster-style strap clips, snap hardware, and a geometric zipper-pull\/clasp assembly; no Coach engraving is visible.",
        "leather_description": "photo 1-6: glossy molded synthetic\/rubber-like material; not leather.",
        "lining_description": "photo 1: interior appears unlined or minimally finished; no fabric lining or brand label is visible.",
        "strap_construction": "photo 2-6: matching synthetic adjustable detachable strap attached with gold-tone rings and clips; snap-adjustment hardware is visible.",
        "stitching_description": "photo 1-6: visible machine stitching around the molded body and zipper seam; no distinctive Coach construction evidence."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: the bag has a glossy molded heart-shaped body consistent with rubber or plastic, not Coach glove-tanned leather.",
                    "photo 1: the close-up shows a molded glossy exterior, synthetic zipper tape, and visible zipper construction.",
                    "photo 5: hardware is bright plated gold-tone and includes a bulky geometric clasp arrangement, unlike typical vintage Coach construction.",
                    "photo 2: the silhouette is a novelty heart-shaped festival crossbody, not a recognizable vintage Coach catalog silhouette.",
                    "listing text: seller explicitly describes the item as vegan, rubber, and water resistant."
                ],
                "missing_information": [
                    "photo 1-6: no interior brand label or Coach creed is shown, although the listing states it is unlined.",
                    "photo 1-6: no Coach wordmark, horse-and-carriage mark, hangtag, serial number, or style number is visible.",
                    "photo 1-6: zipper-pull branding and full strap details are not shown clearly enough to identify a maker."
                ],
                "authenticity_concerns": [
                    "photo 1-6: the synthetic rubber\/plastic material and novelty molded construction are inconsistent with the vintage Coach leather handbag population.",
                    "photo 5: bright plated geometric hardware is a lookalike\/modern fashion-bag cue rather than evidence of Coach manufacture."
                ],
                "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 2-6: bright gold-tone plated rings, lobster-style strap clips, snap hardware, and a geometric zipper-pull\/clasp assembly; no Coach engraving is visible.",
                    "leather_description": "photo 1-6: glossy molded synthetic\/rubber-like material; not leather.",
                    "lining_description": "photo 1: interior appears unlined or minimally finished; no fabric lining or brand label is visible.",
                    "strap_construction": "photo 2-6: matching synthetic adjustable detachable strap attached with gold-tone rings and clips; snap-adjustment hardware is visible.",
                    "stitching_description": "photo 1-6: visible machine stitching around the molded body and zipper seam; no distinctive Coach construction evidence."
                },
                "possible_model_reasoning": [
                    "The heart-shaped novelty silhouette and glossy vegan rubber construction do not match the listed vintage Coach models.",
                    "photo 1-6: no Coach identifier is visible, so there is no basis for assigning a Coach model or era beyond modern non-Coach construction.",
                    "Condition: Good to Very Good; light surface wear and marks are visible in photos 3-4, while major structural damage is not apparent. Odor and hidden interior condition are unknown."
                ],
                "confidence": 0.96,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach identifiers to request; material alone excludes Coach - no creed, hardware stamp, or leather examination needed"
                ],
                "negative_evidence": [
                    "photo 2,3,4: glossy molded plastic \/ jelly rubber body, not leather - coach_probability <=0.05 per procedure",
                    "photo 1,3: unlined molded plastic interior with fabric zipper tape, no leather creed patch",
                    "photo 2,3,4,5,6: heart-shaped novelty silhouette with top zip closure - no catalog Coach silhouette match",
                    "photo 5,6: bright gold-tone plated lobster-claw strap clips and rings, not vintage solid brass",
                    "seller text states Vegan, rubber crossbody purse - synthetic material"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated rings, lobster-claw detachable strap clips and rectangular zipper pulls visible photo 5,6; shiny plated, not vintage solid brass",
                    "leather_description": "not leather - glossy light blue \/ mint molded jelly plastic \/ rubber, high shine visible photo 2,3,4",
                    "lining_description": "unlined molded plastic interior same color as exterior visible photo 1; zipper tape fabric",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "thin light thread edge stitching around zip perimeter visible photo 1,3,4; not vintage Coach glove-tanned stitching",
                    "strap_construction": "detachable and adjustable flat molded plastic strap same material as body with snap-button adjustment and gold-tone clasps visible photo 2,3,5",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: heart-shaped molded jelly zip crossbody is not in vintage or modern Coach catalog",
                    "Material and construction exclude Coach: plastic jelly plus plated hardware is inconsistent with any glove-tanned or signature-canvas era",
                    "Condition: Good to Very Good; seller notes light wear, photos show glossy surface with minor marks, no leather to grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.01,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18200,
            "output_tokens": 740,
            "total_tokens": 18940,
            "estimated_cost_usd": 0.009056
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18754,
            "output_tokens": 1112,
            "total_tokens": 19866,
            "estimated_cost_usd": 0.00464
        }
    ]
}