Vintage Coach Hunter

{
    "is_handbag_probability": 0.025,
    "coach_probability": 0.72,
    "vintage_probability": 0.085,
    "authenticity_confidence": 0.55,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.44,
    "confidence": 0.69,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: small rectangular metal tag appears to be stamped COACH and is attached to the chain near the lobster clasp",
        "photo 1: accessory has a Coach-style gold-tone chain, clasp and ring construction",
        "photo 2: multiple decorative charms and a large ring are clearly visible, consistent with a bag charm or purse accessory rather than a handbag",
        "photo 1: small rectangular gold-tone tag legibly stamped COACH attached at clip end",
        "photo 2: key ring legibly stamped COACH",
        "photo 1-5: gold-tone chain bag charm with blue enamel C charm and figural charms consistent with modern Coach novelty charms \/ Coach x Peanuts-type collaborations",
        "seller text states Signature Coach tag and ring detail, consistent with photos"
    ],
    "negative_evidence": [
        "photo 1: no handbag body, leather, lining, creed patch, or Coach handbag silhouette is shown",
        "photo 2: charms appear mixed and include generic decorative figures; the described Snoopy character is not clearly identifiable",
        "photo 3: gold-tone finish and construction are visible, but the photos do not establish whether the pieces are original Coach components or assembled accessories",
        "photo 1-5: object is a gold-tone chain bag charm \/ key chain, not a handbag",
        "no leather handbag body, no creed patch, no turnlock, no handbag silhouette visible",
        "no serial or style number visible"
    ],
    "missing_information": [
        "A clear close-up of both sides of the rectangular tag to verify the exact COACH marking",
        "Any packaging, product tag, or provenance connecting the entire charm chain to Coach",
        "Confirmation of dimensions, total length, and whether all charms were sold together",
        "A photo of any additional engraved markings on the clasp, ring, or charms",
        "no full-length view with scale or dimensions for charm chain",
        "no packaging, dust bag, or authenticity card shown to support small-good authentication",
        "no close-up of engraving quality on COACH tag and key ring in raking light",
        "no proof of enamel and charm detailing on reverse sides"
    ],
    "authenticity_concerns": [
        "The visible COACH marking is on a small accessory tag and authenticates, at most, that tag; it does not establish that the entire assembled chain was made by Coach",
        "The accessory may be a modified or mixed charm chain, since the individual charms and their original provenance are not documented"
    ],
    "possible_model_reasoning": [
        "This is not a handbag, so no Coach handbag model can reasonably be assigned.",
        "The visible COACH-marked accessory tag supports Coach association, but the absence of a creed, style number, packaging, or clear product provenance limits attribution of the complete charm chain.",
        "Construction and bright gold-tone hardware suggest a modern accessory, approximately 2015-present, rather than a vintage leather Coach bag.",
        "Condition: approximately Very Good; charms and chain appear intact, with possible minor surface wear visible in the photos, but close-up condition and clasp function are not fully established.",
        "Not a handbag so no handbag model applies; object is a modern Coach bag charm \/ chain dangle",
        "Era 2015-present based on metal COACH tag style, key-ring stamp, enamel C charm and novelty figural charms, not vintage glove-tanned era",
        "Condition: Like New to Excellent appearance in photos - gold tone bright, enamel intact, no visible tarnish; full condition not gradable without handling"
    ],
    "estimated_era": "2015-present",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": true,
        "turnlock_present": false,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Gold-tone lobster clasp, chain links, ring, and multiple dangling charms; a small rectangular tag near the clasp appears to read COACH (photo 1).",
        "leather_description": "not_visible - no leather component shown, metal and enamel only",
        "lining_description": "not_visible",
        "strap_construction": "Gold-tone metal purse\/charm chain with linked construction and a lobster clasp; no handbag strap is shown.",
        "stitching_description": "not_visible"
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0117,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.03,
                "coach_probability": 0.72,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.5,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "2015-present",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: small rectangular metal tag appears to be stamped COACH and is attached to the chain near the lobster clasp",
                    "photo 1: accessory has a Coach-style gold-tone chain, clasp and ring construction",
                    "photo 2: multiple decorative charms and a large ring are clearly visible, consistent with a bag charm or purse accessory rather than a handbag"
                ],
                "negative_evidence": [
                    "photo 1: no handbag body, leather, lining, creed patch, or Coach handbag silhouette is shown",
                    "photo 2: charms appear mixed and include generic decorative figures; the described Snoopy character is not clearly identifiable",
                    "photo 3: gold-tone finish and construction are visible, but the photos do not establish whether the pieces are original Coach components or assembled accessories"
                ],
                "missing_information": [
                    "A clear close-up of both sides of the rectangular tag to verify the exact COACH marking",
                    "Any packaging, product tag, or provenance connecting the entire charm chain to Coach",
                    "Confirmation of dimensions, total length, and whether all charms were sold together",
                    "A photo of any additional engraved markings on the clasp, ring, or charms"
                ],
                "authenticity_concerns": [
                    "The visible COACH marking is on a small accessory tag and authenticates, at most, that tag; it does not establish that the entire assembled chain was made by Coach",
                    "The accessory may be a modified or mixed charm chain, since the individual charms and their original provenance are not documented"
                ],
                "observed_features": {
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "serial_or_style_number_present": false,
                    "serial_or_style_number": "not_visible",
                    "coach_wordmark_present": true,
                    "turnlock_present": false,
                    "hangtag_present": false,
                    "hardware_description": "Gold-tone lobster clasp, chain links, ring, and multiple dangling charms; a small rectangular tag near the clasp appears to read COACH (photo 1).",
                    "leather_description": "not_visible",
                    "lining_description": "not_visible",
                    "strap_construction": "Gold-tone metal purse\/charm chain with linked construction and a lobster clasp; no handbag strap is shown.",
                    "stitching_description": "not_visible"
                },
                "possible_model_reasoning": [
                    "This is not a handbag, so no Coach handbag model can reasonably be assigned.",
                    "The visible COACH-marked accessory tag supports Coach association, but the absence of a creed, style number, packaging, or clear product provenance limits attribution of the complete charm chain.",
                    "Construction and bright gold-tone hardware suggest a modern accessory, approximately 2015-present, rather than a vintage leather Coach bag.",
                    "Condition: approximately Very Good; charms and chain appear intact, with possible minor surface wear visible in the photos, but close-up condition and clasp function are not fully established."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 55
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.6,
                "coach_probability": 0.72,
                "confidence": 0.62,
                "estimated_era": "2015-present",
                "estimated_resale_high": 45,
                "estimated_resale_low": 15,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.02,
                "missing_information": [
                    "no full-length view with scale or dimensions for charm chain",
                    "no packaging, dust bag, or authenticity card shown to support small-good authentication",
                    "no close-up of engraving quality on COACH tag and key ring in raking light",
                    "no proof of enamel and charm detailing on reverse sides"
                ],
                "negative_evidence": [
                    "photo 1-5: object is a gold-tone chain bag charm \/ key chain, not a handbag",
                    "no leather handbag body, no creed patch, no turnlock, no handbag silhouette visible",
                    "no serial or style number visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": true,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: gold-tone curb chain with dogleash-style lobster clip and small rectangular metal COACH tag; photo 2-3: gold-tone split key ring stamped COACH; charms include blue enamel C charm, Snoopy-like figure, winged horse, trophy\/cup",
                    "leather_description": "not_visible - no leather component shown, metal and enamel only",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "not_visible - chain strap only, no leather strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: small rectangular gold-tone tag legibly stamped COACH attached at clip end",
                    "photo 2: key ring legibly stamped COACH",
                    "photo 1-5: gold-tone chain bag charm with blue enamel C charm and figural charms consistent with modern Coach novelty charms \/ Coach x Peanuts-type collaborations",
                    "seller text states Signature Coach tag and ring detail, consistent with photos"
                ],
                "possible_model_reasoning": [
                    "Not a handbag so no handbag model applies; object is a modern Coach bag charm \/ chain dangle",
                    "Era 2015-present based on metal COACH tag style, key-ring stamp, enamel C charm and novelty figural charms, not vintage glove-tanned era",
                    "Condition: Like New to Excellent appearance in photos - gold tone bright, enamel intact, no visible tarnish; full condition not gradable without handling"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.7,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17595,
            "output_tokens": 739,
            "total_tokens": 18334,
            "estimated_cost_usd": 0.008812
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18105,
            "output_tokens": 1165,
            "total_tokens": 19270,
            "estimated_cost_usd": 0.004553
        }
    ]
}