Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.56,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.57,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the lot consists primarily of glossy synthetic, faux-leather, fabric, denim, and novelty bags rather than vintage glove-tanned leather handbags",
        "photo 1: no legible COACH wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or recognizable Coach hangtag is visible",
        "photo 1: the upper-left monogram bag has a generic repeating motif and floral decorations, not a clearly identifiable Coach Signature C pattern",
        "photo 1: several bags use rhinestones, novelty graphics, plastic-looking finishes, and decorative hardware inconsistent with classic vintage Coach construction",
        "photo 1: lot of ~10 novelty\/fast-fashion bags in vinyl, clear plastic, coated fabric, denim - no glove-tanned leather visible",
        "photo 1: no solid-brass turnlock, dogleash clips, or Coach silhouette visible on any bag",
        "photo 1: top-left bag shows C-like monogram print with cartoon patches, not Coach pairing\/alignment",
        "photo 1: pink coffin bag with skull, holographic yin-yang bag, star-print tote are modern novelty styles inconsistent with Coach"
    ],
    "missing_information": [
        "Individual interior photos and close-ups of labels or creed patches are absent",
        "Close-ups of hardware, zipper pulls, hangtags, and any manufacturer tags are absent",
        "The lot photo does not allow reliable assessment of each bag's material, stitching, lining, or condition",
        "Seller-stated dimensions, brands, and individual bag details are unavailable",
        "individual close-up photos of each bag front\/back\/bottom\/interior",
        "creed patch or interior brand label not shown for any bag",
        "hardware stamps, zipper brands, and Made-in lines not visible",
        "strap construction and stitching detail not visible due to overhead lot view"
    ],
    "authenticity_concerns": [
        "photo 1: the generic monogram and novelty\/decorative designs do not provide evidence of Coach manufacture and appear more consistent with assorted fashion bags",
        "photo 1: visible materials and finishes are inconsistent with the vintage Coach glove-tanned leather population"
    ],
    "possible_model_reasoning": [
        "No Coach catalog silhouette match; all shapes are modern novelty\/fast-fashion (frame clutches, coffin crossbody, clear vinyl, denim tote) not 1970s-1990s classics",
        "No hard identifiers visible: no creed, no COACH wordmark, no hangtag, no turnlock in photo 1",
        "Materials (plastic, holographic vinyl, printed canvas, denim) rule out vintage glove-tanned Coach per triage; coach_probability <=0.05",
        "Condition: not gradable as lot; individual wear not assessable from overhead view"
    ],
    "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: assorted gold-tone, silver-tone, rhinestone, and decorative hardware is visible; no identifiable vintage Coach turnlock or Coach-stamped hardware is legible",
        "leather_description": "photo 1: most bags appear synthetic, coated, fabric, denim, or novelty material; genuine leather is not visibly established",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: assorted fixed handles, shoulder straps, and crossbody straps are visible; construction details are not clear",
        "stitching_description": "photo 1: some exterior stitching is visible but resolution and overlapping bags prevent meaningful assessment of stitch quality"
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0142,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the lot consists primarily of glossy synthetic, faux-leather, fabric, denim, and novelty bags rather than vintage glove-tanned leather handbags",
                    "photo 1: no legible COACH wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or recognizable Coach hangtag is visible",
                    "photo 1: the upper-left monogram bag has a generic repeating motif and floral decorations, not a clearly identifiable Coach Signature C pattern",
                    "photo 1: several bags use rhinestones, novelty graphics, plastic-looking finishes, and decorative hardware inconsistent with classic vintage Coach construction"
                ],
                "missing_information": [
                    "Individual interior photos and close-ups of labels or creed patches are absent",
                    "Close-ups of hardware, zipper pulls, hangtags, and any manufacturer tags are absent",
                    "The lot photo does not allow reliable assessment of each bag's material, stitching, lining, or condition",
                    "Seller-stated dimensions, brands, and individual bag details are unavailable"
                ],
                "authenticity_concerns": [
                    "photo 1: the generic monogram and novelty\/decorative designs do not provide evidence of Coach manufacture and appear more consistent with assorted fashion bags",
                    "photo 1: visible materials and finishes are inconsistent with the vintage Coach glove-tanned leather population"
                ],
                "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: assorted gold-tone, silver-tone, rhinestone, and decorative hardware is visible; no identifiable vintage Coach turnlock or Coach-stamped hardware is legible",
                    "leather_description": "photo 1: most bags appear synthetic, coated, fabric, denim, or novelty material; genuine leather is not visibly established",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: assorted fixed handles, shoulder straps, and crossbody straps are visible; construction details are not clear",
                    "stitching_description": "photo 1: some exterior stitching is visible but resolution and overlapping bags prevent meaningful assessment of stitch quality"
                },
                "possible_model_reasoning": [],
                "confidence": 0.84,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.3,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 50,
                "estimated_resale_low": 20,
                "image_quality_score": 0.4,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "individual close-up photos of each bag front\/back\/bottom\/interior",
                    "creed patch or interior brand label not shown for any bag",
                    "hardware stamps, zipper brands, and Made-in lines not visible",
                    "strap construction and stitching detail not visible due to overhead lot view"
                ],
                "negative_evidence": [
                    "photo 1: lot of ~10 novelty\/fast-fashion bags in vinyl, clear plastic, coated fabric, denim - no glove-tanned leather visible",
                    "photo 1: no solid-brass turnlock, dogleash clips, or Coach silhouette visible on any bag",
                    "photo 1: top-left bag shows C-like monogram print with cartoon patches, not Coach pairing\/alignment",
                    "photo 1: pink coffin bag with skull, holographic yin-yang bag, star-print tote are modern novelty styles inconsistent with Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone frame clasps with rhinestone knobs on two bags; other hardware indistinct in overhead view, no solid brass vintage hardware visible",
                    "leather_description": "appears to be synthetic materials: smooth faux leather, clear vinyl\/plastic, coated printed fabric, denim; no glove-tanned cowhide visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "multiple top handles and shoulder straps visible but construction details, buckle holes and clips not legible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette match; all shapes are modern novelty\/fast-fashion (frame clutches, coffin crossbody, clear vinyl, denim tote) not 1970s-1990s classics",
                    "No hard identifiers visible: no creed, no COACH wordmark, no hangtag, no turnlock in photo 1",
                    "Materials (plastic, holographic vinyl, printed canvas, denim) rule out vintage glove-tanned Coach per triage; coach_probability <=0.05",
                    "Condition: not gradable as lot; individual wear not assessable from overhead view"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "input_tokens": 17128,
            "output_tokens": 656,
            "total_tokens": 17784,
            "estimated_cost_usd": 0.008426
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17632,
            "output_tokens": 1132,
            "total_tokens": 18764,
            "estimated_cost_usd": 0.004432
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}