Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.045,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.485,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.635,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 20,
    "estimated_resale_high": 60,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the lot shows multiple handbags, but no clearly visible Coach wordmark, horse-and-carriage, creed patch, or recognizable vintage Coach construction",
        "photo 1: most bags appear fabric, nylon, faux leather, or thin coated\/synthetic material rather than classic glove-tanned leather",
        "photo 1: the gray patterned bag has a generic repeating motif and a small circular ornament, not a legible Coach identifier",
        "photo 1: hardware appears mixed and generally modern\/plated rather than consistent vintage solid brass hardware",
        "photo 1: overhead lot view of ~12+ modern bags\/wallets, no solid-brass turnlock with Coach geometry visible",
        "photo 1: materials appear thin coated faux-leather\/synthetic in fashion colors (red, green, lavender with studs, woven-look), not glove-tanned cowhide",
        "photo 1: shapes are modern fast-fashion hobos\/totes\/crossbodies with silver-tone zippers\/studs, no catalog Coach silhouette",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag legible"
    ],
    "missing_information": [
        "photo 1: no interior views of any bag, so creed patches, fabric tags, linings, and serial\/style numbers cannot be assessed",
        "photo 1: no close-ups of exterior labels, zipper pulls, hangtags, or hardware",
        "photo 1: individual bag materials, dimensions, strap construction, and condition are not documented",
        "photo 1: the bags are overlapping, preventing complete inspection of corners, bottoms, and closures",
        "close-up front\/back\/bottom\/interior views of each bag in lot",
        "creed patch straight-on in raking light for any leather bag",
        "turnlock\/hardware and zipper brand stamps",
        "hangtag both faces",
        "strap ends and lining"
    ],
    "authenticity_concerns": [
        "photo 1: the visible gray patterned bag may be brand-evoking, but no Coach identifier is visible; pattern alone is not evidence of Coach manufacture",
        "photo 1: the assortment appears to consist primarily of generic contemporary bags rather than a consistent vintage Coach item"
    ],
    "possible_model_reasoning": [
        "photo 1: no bag can be matched confidently to a Coach catalog silhouette or style number",
        "photo 1: the lot is best treated as generic secondhand handbags; condition appears mixed and interiors are unshown",
        "photo 1 is a multi-bag lot, not a single-bag assessment; no bag shows Coach identifiers, glove-tanned unlined construction, or brass turnlock to support a model match",
        "center gray bag with circle print is C-like but misaligned generic print, not Coach Signature C pairing",
        "Condition: unknown \/ not gradable from distant lot view; appears used modern fast-fashion"
    ],
    "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 silver-tone and gold-tone zippers, rings, studs, and buckles are visible; no clearly identifiable vintage Coach hardware",
        "leather_description": "photo 1: several bags appear synthetic, fabric, nylon, or coated material; genuine leather is not verifiable from the overview",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: assorted shoulder straps, handles, and crossbody-style straps are visible; construction varies across the lot",
        "stitching_description": "photo 1: stitching is only visible at overview scale and cannot be evaluated reliably"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0036,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.62,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the lot shows multiple handbags, but no clearly visible Coach wordmark, horse-and-carriage, creed patch, or recognizable vintage Coach construction",
                    "photo 1: most bags appear fabric, nylon, faux leather, or thin coated\/synthetic material rather than classic glove-tanned leather",
                    "photo 1: the gray patterned bag has a generic repeating motif and a small circular ornament, not a legible Coach identifier",
                    "photo 1: hardware appears mixed and generally modern\/plated rather than consistent vintage solid brass hardware"
                ],
                "missing_information": [
                    "photo 1: no interior views of any bag, so creed patches, fabric tags, linings, and serial\/style numbers cannot be assessed",
                    "photo 1: no close-ups of exterior labels, zipper pulls, hangtags, or hardware",
                    "photo 1: individual bag materials, dimensions, strap construction, and condition are not documented",
                    "photo 1: the bags are overlapping, preventing complete inspection of corners, bottoms, and closures"
                ],
                "authenticity_concerns": [
                    "photo 1: the visible gray patterned bag may be brand-evoking, but no Coach identifier is visible; pattern alone is not evidence of Coach manufacture",
                    "photo 1: the assortment appears to consist primarily of generic contemporary bags rather than a consistent vintage Coach item"
                ],
                "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 silver-tone and gold-tone zippers, rings, studs, and buckles are visible; no clearly identifiable vintage Coach hardware",
                    "leather_description": "photo 1: several bags appear synthetic, fabric, nylon, or coated material; genuine leather is not verifiable from the overview",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: assorted shoulder straps, handles, and crossbody-style straps are visible; construction varies across the lot",
                    "stitching_description": "photo 1: stitching is only visible at overview scale and cannot be evaluated reliably"
                },
                "possible_model_reasoning": [
                    "photo 1: no bag can be matched confidently to a Coach catalog silhouette or style number",
                    "photo 1: the lot is best treated as generic secondhand handbags; condition appears mixed and interiors are unshown"
                ],
                "confidence": 0.72,
                "recommended_max_bid": 12,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.03,
                "confidence": 0.55,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.35,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "close-up front\/back\/bottom\/interior views of each bag in lot",
                    "creed patch straight-on in raking light for any leather bag",
                    "turnlock\/hardware and zipper brand stamps",
                    "hangtag both faces",
                    "strap ends and lining"
                ],
                "negative_evidence": [
                    "photo 1: overhead lot view of ~12+ modern bags\/wallets, no solid-brass turnlock with Coach geometry visible",
                    "photo 1: materials appear thin coated faux-leather\/synthetic in fashion colors (red, green, lavender with studs, woven-look), not glove-tanned cowhide",
                    "photo 1: shapes are modern fast-fashion hobos\/totes\/crossbodies with silver-tone zippers\/studs, no catalog Coach silhouette",
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag legible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: distant view shows silver-tone zippers, studs, rings; no solid brass turnlock or dogleash clips visible",
                    "leather_description": "photo 1: appears to be thin synthetic\/coated faux leather in various colors; no glove-tanned grain or patina visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "photo 1: various thin shoulder\/crossbody straps visible at distance; construction details not visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 is a multi-bag lot, not a single-bag assessment; no bag shows Coach identifiers, glove-tanned unlined construction, or brass turnlock to support a model match",
                    "center gray bag with circle print is C-like but misaligned generic print, not Coach Signature C pairing",
                    "Condition: unknown \/ not gradable from distant lot view; appears used modern fast-fashion"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
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            "output_tokens": 713,
            "total_tokens": 18079,
            "estimated_cost_usd": 0.008658
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}