Vintage Coach Hunter

{
    "is_handbag_probability": 0.02,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.92,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 12.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: item is a replacement shoulder strap rather than a handbag",
        "photo 1: brown crosshatched synthetic-looking material and gold-tone clip hardware are visible",
        "photo 4: strap has machine stitching, punched adjustment holes, buckle, and lobster-style clips; no Coach-specific construction is visible",
        "photo 1: no COACH wordmark, carriage, creed patch, or hangtag is visible",
        "photo 1-6: no handbag shown, only an adjustable replacement shoulder strap",
        "photo 1-4: brown saffiano-embossed vegan\/faux material, seller states 'vegan leather'",
        "photo 1,3,5,6: thin flat strap with gold-tone lobster-claw clips and buckle adjuster, plated modern hardware",
        "photo 1-6: no creed patch, no COACH wordmark, no hangtag, no turnlock visible"
    ],
    "missing_information": [
        "photo 1-6: no close-up of any brand stamp on the clips or strap ends, although none is apparent",
        "seller-stated 30-inch length is not independently measured in the photos",
        "material cannot be confirmed beyond its synthetic-looking appearance",
        "No handbag present - listing is for replacement strap only, no bag to authenticate",
        "No creed patch, serial number, lining, or turnlock to assess - not applicable to strap",
        "No Coach wordmark or horse-and-carriage visible"
    ],
    "authenticity_concerns": [
        "photo 1: the strap appears to be a generic or fashion-brand replacement accessory, not a vintage Coach component",
        "photo 1: saffiano-style crosshatch and plated gold-tone hardware are inconsistent with typical vintage Coach glove-tanned leather straps",
        "photo 1-6: object is a strap only, no Coach creed, wordmark, or hardware identifiers visible",
        "photo 1-4: saffiano-embossed vegan\/faux leather inconsistent with vintage Coach glove-tanned cowhide",
        "photo 1,3,6: bright gold-tone plated lobster clasps, not vintage Coach solid brass dogleash clips"
    ],
    "possible_model_reasoning": [
        "photo 1-6: no Coach handbag or Coach model is shown, so no Coach model match is appropriate",
        "photo 1-6: modern synthetic-looking crosshatched strap and plated hardware support a generic modern replacement accessory rather than a vintage Coach strap",
        "Condition: Very Good based on the visible strap; stitching and hardware appear intact, with no obvious major damage, but full functional wear and odor cannot be assessed",
        "No handbag present so no Coach model match possible",
        "Vegan saffiano material and plated lobster hardware are inconsistent with vintage Coach glove-tanned classics",
        "Condition: strap appears intact with light use but not gradable as handbag; no bag condition 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 1-6: gold-tone lobster-style clips, adjustment buckle, and rings; no visible Coach engraving",
        "leather_description": "photo 1-6: brown crosshatched, saffiano-like synthetic-looking material; seller describes it as vegan leather",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-6: adjustable replacement strap with stitched folded ends, punched holes, buckle, and two clips; seller states 30 inches",
        "stitching_description": "photo 4: visible machine stitching appears generally even; no handbag seams are shown"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.02,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: item is a replacement shoulder strap rather than a handbag",
                    "photo 1: brown crosshatched synthetic-looking material and gold-tone clip hardware are visible",
                    "photo 4: strap has machine stitching, punched adjustment holes, buckle, and lobster-style clips; no Coach-specific construction is visible",
                    "photo 1: no COACH wordmark, carriage, creed patch, or hangtag is visible"
                ],
                "missing_information": [
                    "photo 1-6: no close-up of any brand stamp on the clips or strap ends, although none is apparent",
                    "seller-stated 30-inch length is not independently measured in the photos",
                    "material cannot be confirmed beyond its synthetic-looking appearance"
                ],
                "authenticity_concerns": [
                    "photo 1: the strap appears to be a generic or fashion-brand replacement accessory, not a vintage Coach component",
                    "photo 1: saffiano-style crosshatch and plated gold-tone hardware are inconsistent with typical vintage Coach glove-tanned leather straps"
                ],
                "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 1-6: gold-tone lobster-style clips, adjustment buckle, and rings; no visible Coach engraving",
                    "leather_description": "photo 1-6: brown crosshatched, saffiano-like synthetic-looking material; seller describes it as vegan leather",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-6: adjustable replacement strap with stitched folded ends, punched holes, buckle, and two clips; seller states 30 inches",
                    "stitching_description": "photo 4: visible machine stitching appears generally even; no handbag seams are shown"
                },
                "possible_model_reasoning": [
                    "photo 1-6: no Coach handbag or Coach model is shown, so no Coach model match is appropriate",
                    "photo 1-6: modern synthetic-looking crosshatched strap and plated hardware support a generic modern replacement accessory rather than a vintage Coach strap",
                    "Condition: Very Good based on the visible strap; stitching and hardware appear intact, with no obvious major damage, but full functional wear and odor cannot be assessed"
                ],
                "confidence": 0.94,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 15
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: object is a strap only, no Coach creed, wordmark, or hardware identifiers visible",
                    "photo 1-4: saffiano-embossed vegan\/faux leather inconsistent with vintage Coach glove-tanned cowhide",
                    "photo 1,3,6: bright gold-tone plated lobster clasps, not vintage Coach solid brass dogleash clips"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 10,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.02,
                "missing_information": [
                    "No handbag present - listing is for replacement strap only, no bag to authenticate",
                    "No creed patch, serial number, lining, or turnlock to assess - not applicable to strap",
                    "No Coach wordmark or horse-and-carriage visible"
                ],
                "negative_evidence": [
                    "photo 1-6: no handbag shown, only an adjustable replacement shoulder strap",
                    "photo 1-4: brown saffiano-embossed vegan\/faux material, seller states 'vegan leather'",
                    "photo 1,3,5,6: thin flat strap with gold-tone lobster-claw clips and buckle adjuster, plated modern hardware",
                    "photo 1-6: no creed patch, no COACH wordmark, no hangtag, no turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone lobster-claw clasps at both ends and gold-tone buckle adjuster, bright plated finish",
                    "leather_description": "brown saffiano-embossed vegan\/faux leather, thin flat strap",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone edge stitching along strap edges, visible in photo 4",
                    "strap_construction": "adjustable replacement shoulder strap, seller states 30 in, buckle-adjustable with lobster-claw end clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No handbag present so no Coach model match possible",
                    "Vegan saffiano material and plated lobster hardware are inconsistent with vintage Coach glove-tanned classics",
                    "Condition: strap appears intact with light use but not gradable as handbag; no bag condition to grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17712,
            "output_tokens": 665,
            "total_tokens": 18377,
            "estimated_cost_usd": 0.008681
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18047,
            "output_tokens": 1160,
            "total_tokens": 19207,
            "estimated_cost_usd": 0.004537
        }
    ]
}