Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.05,
    "vintage_probability": 0.36,
    "authenticity_confidence": 0.045,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.755,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with shoulder straps and a structured, framed-looking upper opening.",
        "photos 1-6: appears to be leather or leather-like material with extensive stitched patchwork construction.",
        "photos 1-6: seller lists the item as unbranded, so the lack of a Coach claim is not evidence against Coach by itself."
    ],
    "negative_evidence": [
        "photos 1-6: no legible Coach wordmark, horse-and-carriage, hangtag, creed patch, or serial\/style number is visible.",
        "photos 1-6: glossy embossed\/patchwork leather and the highly decorative construction do not resemble the smooth, matte glove-tanned leather and restrained silhouettes of common vintage Coach classics.",
        "photos 1-6: no recognizable Coach turnlock or other characteristic Coach closure is visible.",
        "photo 6: exposed construction shows decorative stitched leather strips and a glossy finish rather than clearly identifiable Coach construction.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-6: black high-gloss croc-embossed \/ patchwork leather, not matte glove-tanned cowhide",
        "photo 1-6: large soft frame \/ kisslock-type top with pointed overlay tab, no brass turnlock with Coach geometry",
        "photo 1-6: no solid brass hardware visible; no dogleash clips, buckles, or bead-chain hangtag",
        "photo 1-6: silhouette does not match any classic catalog style (Willis, Court, Station, Dinky, City Bag, etc.)"
    ],
    "missing_information": [
        "photo 1-6: interior is not shown; request an emptied interior, especially the back wall and any slip-pocket area where a creed might be sewn.",
        "photo 1-6: request close-ups of any closure, frame hardware, zipper pulls, and all hardware markings.",
        "photo 1-6: request bottom, corner, strap-attachment, and lining photographs.",
        "photo 1-6: request seller-stated dimensions and a clear view of any interior or exterior labels.",
        "photo of interior emptied and lining - no interior view provided",
        "creed patch straight-on in raking light - not shown",
        "hardware close-ups: frame closure, zipper brand, any stamps",
        "hangtag both faces if present",
        "bottom and corners and strap fold points",
        "seller-stated dimensions and scale cue"
    ],
    "authenticity_concerns": [
        "photos 1-6: the bag lacks any visible Coach identifier and has a generic decorative patchwork appearance, consistent with an unbranded lookalike rather than an identifiable Coach model.",
        "photos 1-6: the glossy embossed finish is inconsistent with the usual appearance of classic 1970s-1990s Coach glove-tanned leather, although the interior and material composition are not shown well enough to determine this conclusively."
    ],
    "possible_model_reasoning": [
        "No Coach model is ranked because no Coach identifier or recognizable Coach silhouette is visible and the construction does not closely match the cataloged classic styles.",
        "Seller's claimed 1980s date is unverified by the photos; no creed, serial, country line, lining, or era-specific hardware is shown.",
        "Condition: ungradable beyond the exterior; the exterior appears intact but glossy, interior condition, odor, lining, bottom, corners, and strap stress points are not adequately shown.",
        "No Coach identifier visible in any of 6 exterior views; construction in glossy embossed leather and frame bag shape inconsistent with 1970s-1990s glove-tanned classics",
        "Condition: Good to Very Good exterior for age based on photos 1-6 with surface shine intact; corners\/bottom\/interior not shown so grade capped and lining unknown"
    ],
    "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": "no exposed metal hardware visible; frame top appears leather-covered; closure tab with no turnlock",
        "leather_description": "photos 1-6: dark glossy, heavily embossed or textured patchwork material; genuine leather cannot be confirmed from photographs.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-6: long, narrow fixed-looking shoulder straps attached near the upper sides; attachment hardware is not visible.",
        "stitching_description": "photos 1-6: visible tonal stitching outlines numerous decorative panels and raised leather strips; stitch quality appears generally even, but close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.08,
                "vintage_probability": 0.32,
                "authenticity_confidence": 0.07,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with shoulder straps and a structured, framed-looking upper opening.",
                    "photos 1-6: appears to be leather or leather-like material with extensive stitched patchwork construction.",
                    "photos 1-6: seller lists the item as unbranded, so the lack of a Coach claim is not evidence against Coach by itself."
                ],
                "negative_evidence": [
                    "photos 1-6: no legible Coach wordmark, horse-and-carriage, hangtag, creed patch, or serial\/style number is visible.",
                    "photos 1-6: glossy embossed\/patchwork leather and the highly decorative construction do not resemble the smooth, matte glove-tanned leather and restrained silhouettes of common vintage Coach classics.",
                    "photos 1-6: no recognizable Coach turnlock or other characteristic Coach closure is visible.",
                    "photo 6: exposed construction shows decorative stitched leather strips and a glossy finish rather than clearly identifiable Coach construction."
                ],
                "missing_information": [
                    "photo 1-6: interior is not shown; request an emptied interior, especially the back wall and any slip-pocket area where a creed might be sewn.",
                    "photo 1-6: request close-ups of any closure, frame hardware, zipper pulls, and all hardware markings.",
                    "photo 1-6: request bottom, corner, strap-attachment, and lining photographs.",
                    "photo 1-6: request seller-stated dimensions and a clear view of any interior or exterior labels."
                ],
                "authenticity_concerns": [
                    "photos 1-6: the bag lacks any visible Coach identifier and has a generic decorative patchwork appearance, consistent with an unbranded lookalike rather than an identifiable Coach model.",
                    "photos 1-6: the glossy embossed finish is inconsistent with the usual appearance of classic 1970s-1990s Coach glove-tanned leather, although the interior and material composition are not shown well enough to determine this conclusively."
                ],
                "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": "photos 1-6: dark glossy, heavily embossed or textured patchwork material; genuine leather cannot be confirmed from photographs.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-6: long, narrow fixed-looking shoulder straps attached near the upper sides; attachment hardware is not visible.",
                    "stitching_description": "photos 1-6: visible tonal stitching outlines numerous decorative panels and raised leather strips; stitch quality appears generally even, but close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is ranked because no Coach identifier or recognizable Coach silhouette is visible and the construction does not closely match the cataloged classic styles.",
                    "Seller's claimed 1980s date is unverified by the photos; no creed, serial, country line, lining, or era-specific hardware is shown.",
                    "Condition: ungradable beyond the exterior; the exterior appears intact but glossy, interior condition, odor, lining, bottom, corners, and strap stress points are not adequately shown."
                ],
                "confidence": 0.73,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "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": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior emptied and lining - no interior view provided",
                    "creed patch straight-on in raking light - not shown",
                    "hardware close-ups: frame closure, zipper brand, any stamps",
                    "hangtag both faces if present",
                    "bottom and corners and strap fold points",
                    "seller-stated dimensions and scale cue"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-6: black high-gloss croc-embossed \/ patchwork leather, not matte glove-tanned cowhide",
                    "photo 1-6: large soft frame \/ kisslock-type top with pointed overlay tab, no brass turnlock with Coach geometry",
                    "photo 1-6: no solid brass hardware visible; no dogleash clips, buckles, or bead-chain hangtag",
                    "photo 1-6: silhouette does not match any classic catalog style (Willis, Court, Station, Dinky, City Bag, etc.)"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no exposed metal hardware visible; frame top appears leather-covered; closure tab with no turnlock",
                    "leather_description": "black glossy croc-embossed leather with patchwork\/pieced panels and high shine, not smooth matte glove-tanned",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible on front overlay tab; otherwise stitching not clearly resolved",
                    "strap_construction": "two short rolled top handles plus thin long crossbody\/shoulder strap visible in photo 1,3,4",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 exterior views; construction in glossy embossed leather and frame bag shape inconsistent with 1970s-1990s glove-tanned classics",
                    "Condition: Good to Very Good exterior for age based on photos 1-6 with surface shine intact; corners\/bottom\/interior not shown so grade capped and lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 29061,
            "output_tokens": 899,
            "total_tokens": 29960,
            "estimated_cost_usd": 0.013782
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30222,
            "output_tokens": 1439,
            "total_tokens": 31661,
            "estimated_cost_usd": 0.007196
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}