Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.775,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.915,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from woven straw or raffia with cream woven insets, not Coach's typical leather or documented signature canvas construction",
        "photo 1: braided straw handles and decorative woven pattern are not identifiable Coach branding",
        "photo 2: beige fabric lining and metal strap rings are visible, with no Coach wordmark, carriage, creed patch, or hangtag",
        "photo 2: construction appears lightweight and beach-oriented, consistent with the seller's generic description rather than a vintage Coach classic",
        "photo 1: handwoven straw \/ raffia-like body with cream woven insets - straw\/beads\/crochet excluded per triage, coach_probability <=0.05",
        "photo 1: braided straw top handles, no leather, no solid brass hardware",
        "photo 2: beige polyester-type fabric lining with drawstring pouch, not unlined glove-tanned suede",
        "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
    ],
    "missing_information": [
        "photo 1-2: no exterior brand mark or hangtag is shown",
        "photo 2: no interior brand label, creed patch, or fabric brand tag is visible",
        "photo 1-2: bottom, side, strap, and hardware close-ups are not provided",
        "photo 1-2: no creed patch or brand stamp shown - request close-up of any interior label if present",
        "photo 2: interior brand tag \/ made-in tag not shown",
        "photo 1: bottom, side and hardware close-ups not shown"
    ],
    "authenticity_concerns": [
        "photo 1-2: straw\/raffia construction and fabric lining are inconsistent with the vintage leather Coach population; no Coach identifier is visible"
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a generic woven straw tote, not a recognizable Coach catalog model",
        "photo 2: visible lining and metal rings do not provide a Coach-era or model-specific match",
        "Condition: not reliably gradable from the limited views; the exterior appears intact in photo 1, while interior condition is only partly visible",
        "photo 1 silhouette is a woven straw beach tote with braided handles - no catalog Coach classic silhouette match",
        "no Coach hard identifiers visible in either photo - no creed, wordmark, hangtag, brass turnlock",
        "construction of straw + fabric lining is inconsistent with vintage glove-tanned Coach classics and points to modern non-Coach fast-fashion tote",
        "Condition: Like New to Excellent based on clean weave and lining in photos, but bottom\/corners not shown so capped"
    ],
    "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: two visible silver-tone metal rings attach the strap; no turnlock or branded hardware is visible",
        "leather_description": "photo 1: woven straw or raffia exterior with cream woven inserts; no leather visible",
        "lining_description": "photo 2: beige fabric lining with gathered elasticized opening; no brand label visible",
        "strap_construction": "photo 2: braided\/woven strap or handle construction with metal ring attachments; a separate long strap is not clearly visible",
        "stitching_description": "photo 2: fabric lining appears machine-sewn; exterior weave is visible, but detailed stitching at stress points is not assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0024,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from woven straw or raffia with cream woven insets, not Coach's typical leather or documented signature canvas construction",
                    "photo 1: braided straw handles and decorative woven pattern are not identifiable Coach branding",
                    "photo 2: beige fabric lining and metal strap rings are visible, with no Coach wordmark, carriage, creed patch, or hangtag",
                    "photo 2: construction appears lightweight and beach-oriented, consistent with the seller's generic description rather than a vintage Coach classic"
                ],
                "missing_information": [
                    "photo 1-2: no exterior brand mark or hangtag is shown",
                    "photo 2: no interior brand label, creed patch, or fabric brand tag is visible",
                    "photo 1-2: bottom, side, strap, and hardware close-ups are not provided"
                ],
                "authenticity_concerns": [
                    "photo 1-2: straw\/raffia construction and fabric lining are inconsistent with the vintage leather Coach population; no Coach identifier is visible"
                ],
                "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: two visible silver-tone metal rings attach the strap; no turnlock or branded hardware is visible",
                    "leather_description": "photo 1: woven straw or raffia exterior with cream woven inserts; no leather visible",
                    "lining_description": "photo 2: beige fabric lining with gathered elasticized opening; no brand label visible",
                    "strap_construction": "photo 2: braided\/woven strap or handle construction with metal ring attachments; a separate long strap is not clearly visible",
                    "stitching_description": "photo 2: fabric lining appears machine-sewn; exterior weave is visible, but detailed stitching at stress points is not assessable"
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a generic woven straw tote, not a recognizable Coach catalog model",
                    "photo 2: visible lining and metal rings do not provide a Coach-era or model-specific match",
                    "Condition: not reliably gradable from the limited views; the exterior appears intact in photo 1, while interior condition is only partly visible"
                ],
                "confidence": 0.93,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1-2: no creed patch or brand stamp shown - request close-up of any interior label if present",
                    "photo 2: interior brand tag \/ made-in tag not shown",
                    "photo 1: bottom, side and hardware close-ups not shown"
                ],
                "negative_evidence": [
                    "photo 1: handwoven straw \/ raffia-like body with cream woven insets - straw\/beads\/crochet excluded per triage, coach_probability <=0.05",
                    "photo 1: braided straw top handles, no leather, no solid brass hardware",
                    "photo 2: beige polyester-type fabric lining with drawstring pouch, not unlined glove-tanned suede",
                    "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal rings at interior sides for detachable strap; no brass turnlock or brass hardware visible",
                    "leather_description": "no leather visible; handwoven natural-tan straw\/raffia with cream textile insets",
                    "lining_description": "photo 2: beige\/tan fabric lining forming drawstring pouch inside tote",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; woven construction, no leather stitching visible",
                    "strap_construction": "photo 1: fixed braided straw top handles; photo 2: braided detachable long strap stored inside attached to side rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is a woven straw beach tote with braided handles - no catalog Coach classic silhouette match",
                    "no Coach hard identifiers visible in either photo - no creed, wordmark, hangtag, brass turnlock",
                    "construction of straw + fabric lining is inconsistent with vintage glove-tanned Coach classics and points to modern non-Coach fast-fashion tote",
                    "Condition: Like New to Excellent based on clean weave and lining in photos, but bottom\/corners not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16115,
            "output_tokens": 574,
            "total_tokens": 16689,
            "estimated_cost_usd": 0.007824
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16491,
            "output_tokens": 1047,
            "total_tokens": 17538,
            "estimated_cost_usd": 0.004136
        }
    ]
}