Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.015,
    "vintage_probability": 0.035,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.915,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: exterior is densely covered in seed beads, sequins, faux pearls, and floral appliqu\u00e9 rather than Coach leather or Coach signature canvas.",
        "photo 2: small curved evening-bag silhouette with a thin gold-tone chain strap and zip closure; no visible Coach wordmark, carriage, hangtag, or creed.",
        "photo 3: interior is fabric-lined with a plain zipper and no visible leather creed patch or Coach label.",
        "photo 5: reverse is bead-covered and shows no brand identifier or Coach construction cue.",
        "seller description: explicitly lists beads, sequins, faux pearls, fabric lining, and an unknown brand; these materials and construction are inconsistent with the usual vintage Coach handbag population.",
        "photo 1,2,5,6: exterior is all-over ivory beads with sequin \/ faux-pearl floral applique, not glove-tanned leather",
        "photo 3: white\/ivory fabric lining, not unlined suede-back glove-tanned leather",
        "photo 2,5,6: thin gold-tone metal chain shoulder strap, not leather strap with brass hardware",
        "photo 2,3,6: zip-top closure with no turnlock and no solid-brass hardware",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 3: interior label or any small sewn-in brand\/care tag is not readable or clearly shown.",
        "photo 3: zipper pull and hardware markings are not shown in a close-up.",
        "photo 6: chain attachment hardware and any underside markings are not shown in detail.",
        "No Coach creed, wordmark, hangtag, or hardware stamp visible in any photo - none expected for this construction",
        "No maker label shown; interior pocket\/tags not shown beyond photo 3 lining view"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifier is visible on a highly decorative beaded evening bag.",
        "photo 3: plain fabric lining and textile\/beaded construction do not match the expected construction of a classic vintage Coach leather bag.",
        "photo 5: no creed, serial\/style number, wordmark, or carriage is visible on the reverse."
    ],
    "possible_model_reasoning": [
        "The curved, approximately 8.5 by 6 inch decorative evening-bag silhouette does not correspond to a recognizable Coach model in the reference catalog.",
        "Condition: Good; photos show substantial beadwork and appliqu\u00e9 coverage, with no obvious major missing decoration visible, but interior and attachment details are limited.",
        "Small crescent zip-top beaded evening bag ~9 in wide x ~7 in tall per ruler in photo 2 and 5 does not match any vintage Coach catalog silhouette, closure, or material",
        "Materials - beads, sequins, faux pearl, fabric lining, metal chain - are exclusionary for vintage glove-tanned Coach per triage rule; no Coach identifier to override",
        "Condition: Very Good to Excellent for an evening bag; beadwork appears intact and complete in photos 1,2,5,6, lining clean in photo 3, but full bead loss \/ loose threads cannot be ruled out from photos"
    ],
    "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 2: thin gold-tone chain shoulder strap and zip-top hardware are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: exterior appears densely beaded\/textile rather than leather; leather trim is not visible.",
        "lining_description": "photo 3: light ivory fabric lining is visible; no label is legible.",
        "strap_construction": "photo 2: narrow metal chain attached at the upper sides; no leather shoulder section is visible.",
        "stitching_description": "photo 3: interior seams and zipper surround are visible but fine construction details are limited; no Coach-specific stitching cue is apparent."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: exterior is densely covered in seed beads, sequins, faux pearls, and floral appliqu\u00e9 rather than Coach leather or Coach signature canvas.",
                    "photo 2: small curved evening-bag silhouette with a thin gold-tone chain strap and zip closure; no visible Coach wordmark, carriage, hangtag, or creed.",
                    "photo 3: interior is fabric-lined with a plain zipper and no visible leather creed patch or Coach label.",
                    "photo 5: reverse is bead-covered and shows no brand identifier or Coach construction cue.",
                    "seller description: explicitly lists beads, sequins, faux pearls, fabric lining, and an unknown brand; these materials and construction are inconsistent with the usual vintage Coach handbag population."
                ],
                "missing_information": [
                    "photo 3: interior label or any small sewn-in brand\/care tag is not readable or clearly shown.",
                    "photo 3: zipper pull and hardware markings are not shown in a close-up.",
                    "photo 6: chain attachment hardware and any underside markings are not shown in detail."
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifier is visible on a highly decorative beaded evening bag.",
                    "photo 3: plain fabric lining and textile\/beaded construction do not match the expected construction of a classic vintage Coach leather bag.",
                    "photo 5: no creed, serial\/style number, wordmark, or carriage is visible on the reverse."
                ],
                "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 2: thin gold-tone chain shoulder strap and zip-top hardware are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: exterior appears densely beaded\/textile rather than leather; leather trim is not visible.",
                    "lining_description": "photo 3: light ivory fabric lining is visible; no label is legible.",
                    "strap_construction": "photo 2: narrow metal chain attached at the upper sides; no leather shoulder section is visible.",
                    "stitching_description": "photo 3: interior seams and zipper surround are visible but fine construction details are limited; no Coach-specific stitching cue is apparent."
                },
                "possible_model_reasoning": [
                    "The curved, approximately 8.5 by 6 inch decorative evening-bag silhouette does not correspond to a recognizable Coach model in the reference catalog.",
                    "Condition: Good; photos show substantial beadwork and appliqu\u00e9 coverage, with no obvious major missing decoration visible, but interior and attachment details are limited."
                ],
                "confidence": 0.93,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No Coach creed, wordmark, hangtag, or hardware stamp visible in any photo - none expected for this construction",
                    "No maker label shown; interior pocket\/tags not shown beyond photo 3 lining view"
                ],
                "negative_evidence": [
                    "photo 1,2,5,6: exterior is all-over ivory beads with sequin \/ faux-pearl floral applique, not glove-tanned leather",
                    "photo 3: white\/ivory fabric lining, not unlined suede-back glove-tanned leather",
                    "photo 2,5,6: thin gold-tone metal chain shoulder strap, not leather strap with brass hardware",
                    "photo 2,3,6: zip-top closure with no turnlock and no solid-brass hardware",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone chain strap and gold-tone zip-top zipper; no solid brass turnlock, no stamped pulls visible",
                    "leather_description": "no leather visible; beaded \/ sequined textile with faux-pearl and fabric floral applique",
                    "lining_description": "photo 3: ivory\/white fabric lining inside zip compartment",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - seams covered by beadwork",
                    "strap_construction": "gold-tone metal chain shoulder strap attached at zip ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Small crescent zip-top beaded evening bag ~9 in wide x ~7 in tall per ruler in photo 2 and 5 does not match any vintage Coach catalog silhouette, closure, or material",
                    "Materials - beads, sequins, faux pearl, fabric lining, metal chain - are exclusionary for vintage glove-tanned Coach per triage rule; no Coach identifier to override",
                    "Condition: Very Good to Excellent for an evening bag; beadwork appears intact and complete in photos 1,2,5,6, lining clean in photo 3, but full bead loss \/ loose threads cannot be ruled out from photos"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18363,
            "output_tokens": 641,
            "total_tokens": 19004,
            "estimated_cost_usd": 0.008884
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18935,
            "output_tokens": 1172,
            "total_tokens": 20107,
            "estimated_cost_usd": 0.004725
        }
    ]
}