Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.725,
    "recommended_max_bid": 9,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: seller title explicitly describes the material as PU soft leather, which is inconsistent with the classic vintage Coach leather population.",
        "photo 1: plain large tote silhouette with a broad front slip pocket and no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or distinctive Coach hardware.",
        "photo 1: visible decorative stitching and smooth glossy surface look generic and do not establish Coach manufacture.",
        "photo 1: seller identifies the item as unbranded.",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1: no turnlock or brass vintage hardware visible",
        "photo 1: modern slouchy large tote with large exterior slip pocket and thin stitched-on shoulder straps, not matching any vintage Coach classic silhouette",
        "seller title states 'PU Soft Leather' indicating faux\/PU material, which per reference caps coach_probability at <=0.05 without a Coach identifier"
    ],
    "missing_information": [
        "photo 1: interior, lining, and any sewn-in brand or material label are not shown.",
        "photo 1: no close-up of hardware, zipper pulls, strap attachment points, or bottom construction.",
        "photo 1: no back, side, bottom, or interior photos to check for a creed or other identifier.",
        "photo 1 only: no interior, bottom, side, strap-detail or hardware close-up views",
        "creed patch not shown - request straight-on interior back-wall\/pocket photo",
        "lining material and construction not visible",
        "hardware metal, zipper brand, and stamps not visible"
    ],
    "authenticity_concerns": [
        "photo 1: the apparent synthetic\/PU construction and generic styling are lookalike indicators rather than evidence of a Coach product.",
        "photo 1: no Coach identifier is visible; authenticity cannot be supported from this image."
    ],
    "possible_model_reasoning": [
        "photo 1 tote form alone is generic and widely copied; without creed, wordmark, solid-brass hardware, unlined glove-tanned leather or catalog silhouette there is no basis for a Coach model match",
        "Condition: unknown \/ not gradable - only one exterior front view, no corners, bottom, interior or strap-fold detail"
    ],
    "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": "not_visible - no buckles, turnlock, zipper pulls or rings legible in photo 1",
        "leather_description": "photo 1: smooth glossy dark burgundy material; seller calls it PU, so genuine leather is not established.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two long, narrow shoulder straps attached with visible stitched reinforcement.",
        "stitching_description": "photo 1: contrasting light stitching is visible around the front pocket, upper edge, side panels, and strap attachments; generally even in the supplied image."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0027,
    "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": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: seller title explicitly describes the material as PU soft leather, which is inconsistent with the classic vintage Coach leather population.",
                    "photo 1: plain large tote silhouette with a broad front slip pocket and no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or distinctive Coach hardware.",
                    "photo 1: visible decorative stitching and smooth glossy surface look generic and do not establish Coach manufacture.",
                    "photo 1: seller identifies the item as unbranded."
                ],
                "missing_information": [
                    "photo 1: interior, lining, and any sewn-in brand or material label are not shown.",
                    "photo 1: no close-up of hardware, zipper pulls, strap attachment points, or bottom construction.",
                    "photo 1: no back, side, bottom, or interior photos to check for a creed or other identifier."
                ],
                "authenticity_concerns": [
                    "photo 1: the apparent synthetic\/PU construction and generic styling are lookalike indicators rather than evidence of a Coach product.",
                    "photo 1: no Coach identifier is visible; authenticity cannot be supported from this image."
                ],
                "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": "not_visible",
                    "leather_description": "photo 1: smooth glossy dark burgundy material; seller calls it PU, so genuine leather is not established.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two long, narrow shoulder straps attached with visible stitched reinforcement.",
                    "stitching_description": "photo 1: contrasting light stitching is visible around the front pocket, upper edge, side panels, and strap attachments; generally even in the supplied image."
                },
                "possible_model_reasoning": [],
                "confidence": 0.75,
                "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": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1 only: no interior, bottom, side, strap-detail or hardware close-up views",
                    "creed patch not shown - request straight-on interior back-wall\/pocket photo",
                    "lining material and construction not visible",
                    "hardware metal, zipper brand, and stamps not visible"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1: no turnlock or brass vintage hardware visible",
                    "photo 1: modern slouchy large tote with large exterior slip pocket and thin stitched-on shoulder straps, not matching any vintage Coach classic silhouette",
                    "seller title states 'PU Soft Leather' indicating faux\/PU material, which per reference caps coach_probability at <=0.05 without a Coach identifier"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no buckles, turnlock, zipper pulls or rings legible in photo 1",
                    "leather_description": "photo 1: smooth shiny burgundy material with soft slouch and sheen consistent with PU as titled, not matte glove-tanned cowhide with natural grain\/patina",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: light contrast topstitching around top edge and rectangular exterior pocket perimeter, even but not tone-matched as on vintage Coach",
                    "strap_construction": "photo 1: two thin unreinforced shoulder straps stitched directly to tote body, no buckle adjustment, dogleash clips, or dowel handle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 tote form alone is generic and widely copied; without creed, wordmark, solid-brass hardware, unlined glove-tanned leather or catalog silhouette there is no basis for a Coach model match",
                    "Condition: unknown \/ not gradable - only one exterior front view, no corners, bottom, interior or strap-fold detail"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15437,
            "output_tokens": 582,
            "total_tokens": 16019,
            "estimated_cost_usd": 0.007572
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 15735,
            "output_tokens": 1354,
            "total_tokens": 17089,
            "estimated_cost_usd": 0.00423
        }
    ]
}