Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.03,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.77,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: brown leather-look crossbody handbag with adjustable strap and multiple zip compartments is clearly a handbag.",
        "photo 1: the bag has gold-tone hardware and a structured crossbody silhouette, features that can occur on many Coach bags."
    ],
    "negative_evidence": [
        "photo 2: no visible COACH wordmark, horse-and-carriage, hangtag, or creed patch.",
        "photo 4: interior appears to use black fabric or synthetic lining rather than the unlined suede interior typical of many vintage Coach classics.",
        "photo 1: the prominent twin-zip front construction and bright gold-tone zipper hardware appear generic and do not match a recognizable listed vintage Coach silhouette.",
        "photo 2: exterior stitching and trim look contemporary and decorative rather than characteristic evidence of a vintage Coach model.",
        "seller listing: seller identifies the bag as unbranded and provides no Coach-specific provenance; this is weak contextual evidence only.",
        "photo 1, photo 2: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1, photo 2: silhouette with top zip plus two full-length vertical front zip pockets does not match any vintage Coach catalog style",
        "photo 1, photo 2, photo 4: bright gold-tone plated coil zippers and thin lobster-clasp strap hardware, not solid brass vintage Coach hardware",
        "photo 4, photo 5: black synthetic fabric lining, not unlined glove-tanned suede of vintage Coach classics",
        "photo 1, photo 2, photo 3: distressed shiny coated material with white contrast stitching and painted edges, not matte glove-tanned cowhide with tone-matched stitching"
    ],
    "missing_information": [
        "Straight-on close-up of the entire interior, including every pocket and seam, to confirm whether a hidden brand label or creed exists.",
        "Close-up of all hardware, zipper pulls, and strap attachments for any maker marks.",
        "Bottom, side, and corner photos to assess construction and condition.",
        "Seller-stated dimensions and material composition.",
        "photo 4-5: no creed patch visible - straight-on raking-light photo of interior back wall\/pocket needed to confirm absence",
        "photo 1-2: no hardware brand stamps legible - zipper pull and clasp markings needed",
        "photo 3: bottom and corners not shown in detail; interior fully emptied view not shown"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in any supplied photo; the bag is more consistent with a generic modern leather-look crossbody than a Coach product.",
        "The black fabric-like lining and bright gold-tone zipper hardware are inconsistent with the unlined glove-tanned construction and solid brass hardware expected for many classic vintage Coach candidates."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the photos show no Coach identifier and the silhouette does not closely match a documented classic Coach model.",
        "Condition: Good; visible creasing and surface wear on the front and back (photos 2-3), with no bottom or full corner inspection.",
        "No Coach model fits: multi-zip crossbody with top zip and dual exterior vertical zips, plated hardware, synthetic lining, and contrast stitching are inconsistent with 1970s-1990s glove-tanned classics",
        "No hard identifiers visible in any photo to decode for era or style",
        "Condition: Good to Very Good as a generic used bag; surface mottling appears to be finish, light wear only, but bottom\/interior incompletely shown so capped"
    ],
    "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: bright gold-tone zipper hardware, D-rings, and strap attachments; no visible maker engraving. No turnlock or hangtag visible.",
        "leather_description": "photo 2: brown smooth leather-look material with substantial surface creasing and tonal variation; exact material cannot be confirmed from photos.",
        "lining_description": "photos 4-5: black fabric or synthetic-looking lining with stitched interior sections; no creed patch or label visible.",
        "strap_construction": "photos 1-3: adjustable brown strap attached with gold-tone rings and clips; strap appears stitched and possibly synthetic or coated.",
        "stitching_description": "photos 1-3: visible light contrasting stitching is generally even, with contemporary decorative perimeter stitching."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "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 2: brown leather-look crossbody handbag with adjustable strap and multiple zip compartments is clearly a handbag.",
                    "photo 1: the bag has gold-tone hardware and a structured crossbody silhouette, features that can occur on many Coach bags."
                ],
                "negative_evidence": [
                    "photo 2: no visible COACH wordmark, horse-and-carriage, hangtag, or creed patch.",
                    "photo 4: interior appears to use black fabric or synthetic lining rather than the unlined suede interior typical of many vintage Coach classics.",
                    "photo 1: the prominent twin-zip front construction and bright gold-tone zipper hardware appear generic and do not match a recognizable listed vintage Coach silhouette.",
                    "photo 2: exterior stitching and trim look contemporary and decorative rather than characteristic evidence of a vintage Coach model.",
                    "seller listing: seller identifies the bag as unbranded and provides no Coach-specific provenance; this is weak contextual evidence only."
                ],
                "missing_information": [
                    "Straight-on close-up of the entire interior, including every pocket and seam, to confirm whether a hidden brand label or creed exists.",
                    "Close-up of all hardware, zipper pulls, and strap attachments for any maker marks.",
                    "Bottom, side, and corner photos to assess construction and condition.",
                    "Seller-stated dimensions and material composition."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in any supplied photo; the bag is more consistent with a generic modern leather-look crossbody than a Coach product.",
                    "The black fabric-like lining and bright gold-tone zipper hardware are inconsistent with the unlined glove-tanned construction and solid brass hardware expected for many classic vintage Coach candidates."
                ],
                "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: bright gold-tone zipper hardware, D-rings, and strap attachments; no visible maker engraving. No turnlock or hangtag visible.",
                    "leather_description": "photo 2: brown smooth leather-look material with substantial surface creasing and tonal variation; exact material cannot be confirmed from photos.",
                    "lining_description": "photos 4-5: black fabric or synthetic-looking lining with stitched interior sections; no creed patch or label visible.",
                    "strap_construction": "photos 1-3: adjustable brown strap attached with gold-tone rings and clips; strap appears stitched and possibly synthetic or coated.",
                    "stitching_description": "photos 1-3: visible light contrasting stitching is generally even, with contemporary decorative perimeter stitching."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the photos show no Coach identifier and the silhouette does not closely match a documented classic Coach model.",
                    "Condition: Good; visible creasing and surface wear on the front and back (photos 2-3), with no bottom or full corner inspection."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 4-5: no creed patch visible - straight-on raking-light photo of interior back wall\/pocket needed to confirm absence",
                    "photo 1-2: no hardware brand stamps legible - zipper pull and clasp markings needed",
                    "photo 3: bottom and corners not shown in detail; interior fully emptied view not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1, photo 2: silhouette with top zip plus two full-length vertical front zip pockets does not match any vintage Coach catalog style",
                    "photo 1, photo 2, photo 4: bright gold-tone plated coil zippers and thin lobster-clasp strap hardware, not solid brass vintage Coach hardware",
                    "photo 4, photo 5: black synthetic fabric lining, not unlined glove-tanned suede of vintage Coach classics",
                    "photo 1, photo 2, photo 3: distressed shiny coated material with white contrast stitching and painted edges, not matte glove-tanned cowhide with tone-matched stitching"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated zippers (top closure plus two vertical front pockets) with rectangular pull tabs; thin gold-tone lobster-clasp strap clips; no COACH stamping visible",
                    "leather_description": "brown distressed-look coated material with sheen and mottling, appears faux\/PU rather than full-grain glove-tanned cowhide",
                    "lining_description": "black synthetic fabric lining visible in photo 4 and photo 5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white\/cream contrast topstitching around panels, even but not tone-matched as on vintage Coach",
                    "strap_construction": "thin adjustable crossbody strap in same brown material with gold-tone slider and lobster-clasp ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: multi-zip crossbody with top zip and dual exterior vertical zips, plated hardware, synthetic lining, and contrast stitching are inconsistent with 1970s-1990s glove-tanned classics",
                    "No hard identifiers visible in any photo to decode for era or style",
                    "Condition: Good to Very Good as a generic used bag; surface mottling appears to be finish, light wear only, but bottom\/interior incompletely shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.04
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26495,
            "output_tokens": 744,
            "total_tokens": 27239,
            "estimated_cost_usd": 0.012384
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27637,
            "output_tokens": 1216,
            "total_tokens": 28853,
            "estimated_cost_usd": 0.0065
        }
    ]
}