Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.61,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.79,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: generic large unstructured tote with no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or distinctive Coach hardware",
        "photo 1: highly smooth, glossy cream material and very thin matching straps do not resemble vintage glove-tanned Coach leather construction",
        "photo 1: no turnlock, brass hardware, exterior pocket, or other recognizable classic Coach design cue is visible",
        "photo 2: lifestyle image shows the same generic tote without any visible brand identifiers",
        "photo 1: no creed patch, COACH wordmark, hangtag, or turnlock visible",
        "photo 1: thin unstructured open-top tote with narrow fixed straps - no vintage Coach catalog silhouette, closure, or brass hardware",
        "photo 1-2: smooth high-sheen thin material with drape unlike thick matte glove-tanned cowhide with suede back",
        "photo 1-2: no solid brass hardware, dogleash clips, buckles, or bead-chain hangtag visible",
        "seller lists brand as Unbranded with generic fast-fashion title and no vintage cues"
    ],
    "missing_information": [
        "photo 1-2: interior, lining, bottom, strap attachments, and any interior labels are not shown clearly",
        "photo 1-2: no close-up of material grain or edge construction to verify whether the material is genuine leather",
        "seller-stated dimensions and country of manufacture are absent",
        "photo 1-2: interior views including creed patch and lining not shown",
        "photo 1-2: hardware close-ups, bottom, side and strap attachments not shown",
        "photo 1-2: hangtag, wordmark, or any brand stamp not shown - request straight-on interior and exterior detail photos"
    ],
    "authenticity_concerns": [
        "photo 1: the bag has no visible Coach identifier and appears to be a modern generic fashion tote rather than a Coach classic",
        "photo 1: glossy, uniform material and lightly finished-looking edges are inconsistent with the expected construction of vintage unlined glove-tanned Coach bags"
    ],
    "possible_model_reasoning": [
        "photo 1-2: silhouette is a generic large open shoulder tote and does not closely match a recognizable vintage Coach catalog model",
        "photo 1-2: no creed, serial, hangtag, wordmark, or Coach-specific hardware is visible, so no Coach model can be responsibly proposed",
        "Condition: cannot be graded reliably because interior, bottom, corners, and material details are not adequately shown; exterior appears unused in the supplied images",
        "No Coach identifier visible in either photo so no style number decode or era match possible",
        "Silhouette is a large soft open-top shopper tote with thin sewn-in straps - does not match City Bag, Willis, Court, Station, Duffle Sac or other turnlock\/structured classics",
        "Construction with no visible brass hardware and thin shiny material is inconsistent with 1970s-1990s unlined glove-tanned brass-hardware Coach",
        "Condition: appears New\/unused modern stock\/lifestyle images, not gradable on vintage six-tier scale"
    ],
    "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 1-2: no visible hardware, turnlock, zipper, or branded fittings; thin matching-material shoulder straps are visible",
        "leather_description": "photo 1-2: smooth, glossy cream-colored material; genuine leather is not verifiable and the appearance may indicate synthetic or coated material",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: long, narrow matching-material shoulder straps attached directly to the upper side seams; detailed attachment stitching is not visible",
        "stitching_description": "photo 1: perimeter seams are visible but resolution and lighting do not support detailed assessment of stitch quality"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: generic large unstructured tote with no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or distinctive Coach hardware",
                    "photo 1: highly smooth, glossy cream material and very thin matching straps do not resemble vintage glove-tanned Coach leather construction",
                    "photo 1: no turnlock, brass hardware, exterior pocket, or other recognizable classic Coach design cue is visible",
                    "photo 2: lifestyle image shows the same generic tote without any visible brand identifiers"
                ],
                "missing_information": [
                    "photo 1-2: interior, lining, bottom, strap attachments, and any interior labels are not shown clearly",
                    "photo 1-2: no close-up of material grain or edge construction to verify whether the material is genuine leather",
                    "seller-stated dimensions and country of manufacture are absent"
                ],
                "authenticity_concerns": [
                    "photo 1: the bag has no visible Coach identifier and appears to be a modern generic fashion tote rather than a Coach classic",
                    "photo 1: glossy, uniform material and lightly finished-looking edges are inconsistent with the expected construction of vintage unlined glove-tanned Coach bags"
                ],
                "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 1-2: no visible hardware, turnlock, zipper, or branded fittings; thin matching-material shoulder straps are visible",
                    "leather_description": "photo 1-2: smooth, glossy cream-colored material; genuine leather is not verifiable and the appearance may indicate synthetic or coated material",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-2: long, narrow matching-material shoulder straps attached directly to the upper side seams; detailed attachment stitching is not visible",
                    "stitching_description": "photo 1: perimeter seams are visible but resolution and lighting do not support detailed assessment of stitch quality"
                },
                "possible_model_reasoning": [
                    "photo 1-2: silhouette is a generic large open shoulder tote and does not closely match a recognizable vintage Coach catalog model",
                    "photo 1-2: no creed, serial, hangtag, wordmark, or Coach-specific hardware is visible, so no Coach model can be responsibly proposed",
                    "Condition: cannot be graded reliably because interior, bottom, corners, and material details are not adequately shown; exterior appears unused in the supplied images"
                ],
                "confidence": 0.78,
                "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": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 8,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-2: interior views including creed patch and lining not shown",
                    "photo 1-2: hardware close-ups, bottom, side and strap attachments not shown",
                    "photo 1-2: hangtag, wordmark, or any brand stamp not shown - request straight-on interior and exterior detail photos"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, COACH wordmark, hangtag, or turnlock visible",
                    "photo 1: thin unstructured open-top tote with narrow fixed straps - no vintage Coach catalog silhouette, closure, or brass hardware",
                    "photo 1-2: smooth high-sheen thin material with drape unlike thick matte glove-tanned cowhide with suede back",
                    "photo 1-2: no solid brass hardware, dogleash clips, buckles, or bead-chain hangtag visible",
                    "seller lists brand as Unbranded with generic fast-fashion title and no vintage cues"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no turnlock, buckles, rings, zippers or other hardware visible in photo 1 or photo 2",
                    "leather_description": "photo 1-2: off-white\/cream smooth material with glossy sheen and soft drape, thin appearance, not showing glove-tanned grain, patina, scars or suede back",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: minimal edge stitching along top edge and side seams, tone-matched; no detailed stitching visible",
                    "strap_construction": "photo 1-2: two thin fixed-length shoulder straps, sewn directly into side seams, no buckles, clips, dowel or detachable hardware visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in either photo so no style number decode or era match possible",
                    "Silhouette is a large soft open-top shopper tote with thin sewn-in straps - does not match City Bag, Willis, Court, Station, Duffle Sac or other turnlock\/structured classics",
                    "Construction with no visible brass hardware and thin shiny material is inconsistent with 1970s-1990s unlined glove-tanned brass-hardware Coach",
                    "Condition: appears New\/unused modern stock\/lifestyle images, not gradable on vintage six-tier scale"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17867,
            "output_tokens": 660,
            "total_tokens": 18527,
            "estimated_cost_usd": 0.008731
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18419,
            "output_tokens": 1320,
            "total_tokens": 19739,
            "estimated_cost_usd": 0.00474
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}