Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.895,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: pebbled light-blue synthetic-looking exterior and thin, light construction are consistent with the seller's stated faux leather, not vintage Coach glove-tanned leather",
        "photo 1: hardware and zipper appear lightweight\/plated rather than the substantial solid-brass hardware typical of many vintage Coach classics",
        "photo 2: side construction shows decorative gathered panels and a generic adjustable strap design, with no recognizable Coach silhouette or identifier",
        "photo 4: visible top zipper and flap arrangement is generic and does not show a Coach creed, wordmark, or horse-and-carriage",
        "photo 5: interior appears fabric-lined, which is inconsistent with many classic unlined glove-tanned Coach styles",
        "photo 6: bottom construction and synthetic-looking material provide no Coach-specific evidence",
        "seller states the bag is faux leather and unbranded; this is weak but consistent with the visual evidence",
        "photo 1-6: light blue pebbled faux-leather look with uniform grain and sheen, not glove-tanned cowhide",
        "photo 1-4: bright gold-tone plated hardware, not solid vintage brass",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
        "photo 1: exterior back zip pocket with generic oval zip pull, not Talon\/YKK vintage Coach construction",
        "seller states faux leather and Unbranded, consistent with photos"
    ],
    "missing_information": [
        "photo 1-6: no straight-on interior-wall photo showing whether a creed patch or brand label exists",
        "photo 1-6: no close-up of the flap closure or gold lock hardware",
        "photo 1-6: no close-up of zipper pulls, hardware backs, or any concealed markings",
        "photo 1-6: seller-stated dimensions and material composition are not independently verifiable",
        "photo of front flap closure\/lock straight-on to confirm lock type",
        "interior emptied showing lining and any patches\/labels",
        "creed patch or brand label close-up if present",
        "hardware stamps on zipper pull and lock",
        "bottom corners and strap fold close-ups for condition"
    ],
    "authenticity_concerns": [
        "photo 1-6: no Coach identifier is visible, and the faux-leather, fabric-lined construction is inconsistent with the likely vintage Coach population",
        "photo 1-6: generic styling and plated-looking hardware are consistent with an unbranded lookalike rather than Coach"
    ],
    "possible_model_reasoning": [
        "photo 1-6: no Coach model is a reasonable match because the bag lacks a creed, wordmark, hangtag, or recognizable Coach construction",
        "photo 1-6: modern generic crossbody with synthetic material and fabric lining is the most consistent classification",
        "Condition: approximately Very Good based on clean visible exterior and intact stitching; interior and odor cannot be fully assessed from the photos",
        "No Coach catalog silhouette, closure, or identifier fits; flap crossbody with back zip and buckle-adjust strap is generic modern fast-fashion construction",
        "No creed\/serial to decode; materials (faux leather, plated hardware, lined interior per seller) point to modern non-Coach per triage rule",
        "Condition: appears Like New\/Mint exterior in photos (uniform color, no corner wear in photo 6, clean surface in photo 1-4), but interior not shown so lining\/odor unknown - 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 1-3: gold-tone zipper and small strap hardware are visible; a Coach-specific turnlock, engraving, or hangtag is not visible",
        "leather_description": "photo 1-6: light-blue pebbled faux-leather\/synthetic-looking material; seller explicitly states faux leather",
        "lining_description": "photo 5: light-colored fabric-like lining is partially visible; details and label are not legible",
        "strap_construction": "photo 1-3: long matching blue adjustable strap with stitched edges and gold-tone adjustment hardware",
        "stitching_description": "photo 1-6: visible machine stitching is generally straight and consistent; no Coach-specific construction cue is visible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0026,
    "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": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: pebbled light-blue synthetic-looking exterior and thin, light construction are consistent with the seller's stated faux leather, not vintage Coach glove-tanned leather",
                    "photo 1: hardware and zipper appear lightweight\/plated rather than the substantial solid-brass hardware typical of many vintage Coach classics",
                    "photo 2: side construction shows decorative gathered panels and a generic adjustable strap design, with no recognizable Coach silhouette or identifier",
                    "photo 4: visible top zipper and flap arrangement is generic and does not show a Coach creed, wordmark, or horse-and-carriage",
                    "photo 5: interior appears fabric-lined, which is inconsistent with many classic unlined glove-tanned Coach styles",
                    "photo 6: bottom construction and synthetic-looking material provide no Coach-specific evidence",
                    "seller states the bag is faux leather and unbranded; this is weak but consistent with the visual evidence"
                ],
                "missing_information": [
                    "photo 1-6: no straight-on interior-wall photo showing whether a creed patch or brand label exists",
                    "photo 1-6: no close-up of the flap closure or gold lock hardware",
                    "photo 1-6: no close-up of zipper pulls, hardware backs, or any concealed markings",
                    "photo 1-6: seller-stated dimensions and material composition are not independently verifiable"
                ],
                "authenticity_concerns": [
                    "photo 1-6: no Coach identifier is visible, and the faux-leather, fabric-lined construction is inconsistent with the likely vintage Coach population",
                    "photo 1-6: generic styling and plated-looking hardware are consistent with an unbranded lookalike rather than Coach"
                ],
                "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 1-3: gold-tone zipper and small strap hardware are visible; a Coach-specific turnlock, engraving, or hangtag is not visible",
                    "leather_description": "photo 1-6: light-blue pebbled faux-leather\/synthetic-looking material; seller explicitly states faux leather",
                    "lining_description": "photo 5: light-colored fabric-like lining is partially visible; details and label are not legible",
                    "strap_construction": "photo 1-3: long matching blue adjustable strap with stitched edges and gold-tone adjustment hardware",
                    "stitching_description": "photo 1-6: visible machine stitching is generally straight and consistent; no Coach-specific construction cue is visible"
                },
                "possible_model_reasoning": [
                    "photo 1-6: no Coach model is a reasonable match because the bag lacks a creed, wordmark, hangtag, or recognizable Coach construction",
                    "photo 1-6: modern generic crossbody with synthetic material and fabric lining is the most consistent classification",
                    "Condition: approximately Very Good based on clean visible exterior and intact stitching; interior and odor cannot be fully assessed from the photos"
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of front flap closure\/lock straight-on to confirm lock type",
                    "interior emptied showing lining and any patches\/labels",
                    "creed patch or brand label close-up if present",
                    "hardware stamps on zipper pull and lock",
                    "bottom corners and strap fold close-ups for condition"
                ],
                "negative_evidence": [
                    "photo 1-6: light blue pebbled faux-leather look with uniform grain and sheen, not glove-tanned cowhide",
                    "photo 1-4: bright gold-tone plated hardware, not solid vintage brass",
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
                    "photo 1: exterior back zip pocket with generic oval zip pull, not Talon\/YKK vintage Coach construction",
                    "seller states faux leather and Unbranded, consistent with photos"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware; back zip with generic oval-hole pull (photo 1), rectangular buckle slide and rivets on strap anchors (photo 2-3); no COACH engraving visible; front lock only glimpsed as gold edge in photo 4",
                    "leather_description": "light blue pebbled faux leather as stated by seller; uniform pebble, slight sheen in photos 1-6, not matte glove-tanned full-grain",
                    "lining_description": "not_visible in photos; seller states brown lining with blue trim and inner pockets\/dividers",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching tone-matched to body, visible center seam and side seams (photo 1, 6); no irregularities visible at this resolution",
                    "strap_construction": "thin flat light-blue crossbody strap, buckle-adjustable, attached with riveted tabs and D-rings (photo 2-3)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette, closure, or identifier fits; flap crossbody with back zip and buckle-adjust strap is generic modern fast-fashion construction",
                    "No creed\/serial to decode; materials (faux leather, plated hardware, lined interior per seller) point to modern non-Coach per triage rule",
                    "Condition: appears Like New\/Mint exterior in photos (uniform color, no corner wear in photo 6, clean surface in photo 1-4), but interior not shown so lining\/odor unknown - capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18226,
            "output_tokens": 846,
            "total_tokens": 19072,
            "estimated_cost_usd": 0.009321
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18778,
            "output_tokens": 1349,
            "total_tokens": 20127,
            "estimated_cost_usd": 0.004835
        }
    ]
}