Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.66,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.855,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: The item is clearly a handbag with a shoulder strap and multiple compartments."
    ],
    "negative_evidence": [
        "photo 1: The bag appears to be denim or synthetic textile rather than Coach glove-tanned leather or signature canvas.",
        "photo 1: Multiple exposed zipper compartments, textile strap, and casual utility-hobo construction do not resemble the documented vintage Coach silhouettes.",
        "photo 1: No COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible.",
        "photo 1: The seller lists the brand as unbranded, but the photo provides no independent evidence of Coach manufacture.",
        "photo 1: body is black washed denim\/canvas, not glove-tanned leather",
        "photo 1: no solid brass hardware; silver-tone buckle slider only",
        "photo 1: no turnlock, no leather hangtag, no COACH wordmark visible",
        "photo 1: triple front zip compartments with knotted fabric pulls, not a Coach classic layout"
    ],
    "missing_information": [
        "photo 1 shows only the exterior front three-quarter view; request clear photos of the interior, lining, labels, sewn-in tags, bottom, strap attachments, and all hardware.",
        "Request a close-up of any interior or exterior brand marking.",
        "photo 1 only: no interior, bottom, creed close-up, or hardware stamp views to verify identifiers",
        "interior lining and any brand tags not shown",
        "back and side views not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The textile construction and numerous zipper pockets are inconsistent with the classic leather Coach population; this is most likely a generic modern bag rather than a Coach lookalike with a transplanted identifier."
    ],
    "possible_model_reasoning": [
        "photo 1: The crossbody\/shoulder silhouette and multiple zippered pockets do not closely match a documented Coach model.",
        "photo 1: No Coach identifier is visible, and the non-leather textile construction strongly favors a generic modern utility bag.",
        "Condition: Unable to grade fully from one studio-style exterior photo; interior, bottom, corners, and strap wear are not shown.",
        "photo 1 silhouette is a multi-zip denim hobo\/crossbody with no match in Coach classic or modern catalog",
        "construction of denim textile plus plated hardware is inconsistent with vintage Coach glove-tanned brass era",
        "Condition: Like New\/new-appearing in single stock-style shot, but single view caps grading; appears unused"
    ],
    "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: Small silver-tone rectangular strap adjuster and zipper hardware are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: Dark denim-like or synthetic textile exterior; leather is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Long adjustable textile shoulder strap attached at the sides; strap appears coordinated with the bag body.",
        "stitching_description": "photo 1: Visible machine stitching appears functional and even; detailed stress-point construction is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: The item is clearly a handbag with a shoulder strap and multiple compartments."
                ],
                "negative_evidence": [
                    "photo 1: The bag appears to be denim or synthetic textile rather than Coach glove-tanned leather or signature canvas.",
                    "photo 1: Multiple exposed zipper compartments, textile strap, and casual utility-hobo construction do not resemble the documented vintage Coach silhouettes.",
                    "photo 1: No COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible.",
                    "photo 1: The seller lists the brand as unbranded, but the photo provides no independent evidence of Coach manufacture."
                ],
                "missing_information": [
                    "photo 1 shows only the exterior front three-quarter view; request clear photos of the interior, lining, labels, sewn-in tags, bottom, strap attachments, and all hardware.",
                    "Request a close-up of any interior or exterior brand marking."
                ],
                "authenticity_concerns": [
                    "photo 1: The textile construction and numerous zipper pockets are inconsistent with the classic leather Coach population; this is most likely a generic modern bag rather than a Coach lookalike with a transplanted identifier."
                ],
                "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: Small silver-tone rectangular strap adjuster and zipper hardware are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: Dark denim-like or synthetic textile exterior; leather is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Long adjustable textile shoulder strap attached at the sides; strap appears coordinated with the bag body.",
                    "stitching_description": "photo 1: Visible machine stitching appears functional and even; detailed stress-point construction is not assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: The crossbody\/shoulder silhouette and multiple zippered pockets do not closely match a documented Coach model.",
                    "photo 1: No Coach identifier is visible, and the non-leather textile construction strongly favors a generic modern utility bag.",
                    "Condition: Unable to grade fully from one studio-style exterior photo; interior, bottom, corners, and strap wear are not shown."
                ],
                "confidence": 0.83,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only: no interior, bottom, creed close-up, or hardware stamp views to verify identifiers",
                    "interior lining and any brand tags not shown",
                    "back and side views not shown"
                ],
                "negative_evidence": [
                    "photo 1: body is black washed denim\/canvas, not glove-tanned leather",
                    "photo 1: no solid brass hardware; silver-tone buckle slider only",
                    "photo 1: no turnlock, no leather hangtag, no COACH wordmark visible",
                    "photo 1: triple front zip compartments with knotted fabric pulls, not a Coach classic layout"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone rectangular slider buckle on strap and dark zipper teeth; no brass turnlock visible",
                    "leather_description": "no leather visible; black washed denim\/canvas textile body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast light stitching along denim seams and pocket edges visible in photo 1",
                    "strap_construction": "wide matching denim crossbody strap, adjustable via metal slider, sewn-fixed ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is a multi-zip denim hobo\/crossbody with no match in Coach classic or modern catalog",
                    "construction of denim textile plus plated hardware is inconsistent with vintage Coach glove-tanned brass era",
                    "Condition: Like New\/new-appearing in single stock-style shot, but single view caps grading; appears unused"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
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            "estimated_cost_usd": 0.008298
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}