Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.015,
    "vintage_probability": 0.54,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.89,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.94,
    "recommended_max_bid": 9,
    "estimated_resale_low": 11.5,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 5: interior label visibly identifies the maker as La Regale, not Coach.",
        "photos 1-4: gold beaded\/textile construction is inconsistent with the leather handbags typically associated with vintage Coach.",
        "photos 5-6: no Coach creed, Coach wordmark, horse-and-carriage mark, or Coach serial\/style number is visible.",
        "photo 6: interior has a separate La Regale-related label and a U.S. patent label.",
        "photo 1-3: body is gold glitter fabric with all-over glass beading in checkered pattern, not glove-tanned leather",
        "photo 5-6: interior has La Regale fabric labels and gold satin lining, no Coach creed patch",
        "photo 5: closure is round gold-tone magnetic snap, no turnlock",
        "photo 1-2: thin gold beaded chain strap, no brass dogleash clips or leather shoulder strap",
        "photo 5-6: no COACH wordmark, horse-and-carriage, leather hangtag, or solid brass hardware visible"
    ],
    "missing_information": [
        "photo 6: the small interior maker label is partially obscured; a sharper close-up could document its exact wording.",
        "No dedicated close-up of the clasp or chain attachment points is provided.",
        "The listing does not provide a confirmed manufacturing date.",
        "None needed for Coach determination - brand label legible; for purchase only: close-up of back discoloration and bead loss check"
    ],
    "authenticity_concerns": [
        "photo 5: visible La Regale identification conflicts with any possible Coach attribution; this appears to be a non-Coach vintage evening bag."
    ],
    "possible_model_reasoning": [
        "The rectangular flap silhouette and chain strap fit a vintage beaded evening shoulder bag, not a catalogued vintage Coach leather model.",
        "photo 6: the interior label and patent notice support La Regale manufacture; no Coach model identification is supported.",
        "Condition: Good; seller reports a discolored spot on the back and interior stains, and photo 6 shows visible interior staining.",
        "Seller-identified as La Regale confirmed by interior fabric labels in photo 5 and photo 6; silhouette is beaded flap evening \/ shoulder bag with magnetic snap, a category Coach did not make in glove-tanned classics",
        "No Coach identifiers in any photo: no creed, no COACH wordmark, no hangtag, no turnlock, no solid brass, no unlined suede interior",
        "Materials rule out vintage Coach: beads, glitter fabric body, satin lining, plated magnetic hardware per triage rule",
        "Condition: Good; photo 2 shows discolored spot on back, photo 6 shows interior stains, otherwise beading intact"
    ],
    "estimated_era": "unknown",
    "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 5: round gold-tone snap\/press closure visible; no Coach engraving visible. photos 1-4: long gold-tone chain shoulder strap.",
        "leather_description": "photos 1-4: metallic gold textile\/beaded exterior; leather is not visible.",
        "lining_description": "photos 5-6: gold\/tan satin-like textile lining with interior stains; small sewn-in label visible.",
        "strap_construction": "photos 1-2: narrow gold-tone chain shoulder strap attached at the bag sides.",
        "stitching_description": "photos 3-6: visible gold-toned stitched\/beaded edging and regular seam construction; some edge wear is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0032,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.68,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.93,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 5: interior label visibly identifies the maker as La Regale, not Coach.",
                    "photos 1-4: gold beaded\/textile construction is inconsistent with the leather handbags typically associated with vintage Coach.",
                    "photos 5-6: no Coach creed, Coach wordmark, horse-and-carriage mark, or Coach serial\/style number is visible.",
                    "photo 6: interior has a separate La Regale-related label and a U.S. patent label."
                ],
                "missing_information": [
                    "photo 6: the small interior maker label is partially obscured; a sharper close-up could document its exact wording.",
                    "No dedicated close-up of the clasp or chain attachment points is provided.",
                    "The listing does not provide a confirmed manufacturing date."
                ],
                "authenticity_concerns": [
                    "photo 5: visible La Regale identification conflicts with any possible Coach attribution; this appears to be a non-Coach vintage evening bag."
                ],
                "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 5: round gold-tone snap\/press closure visible; no Coach engraving visible. photos 1-4: long gold-tone chain shoulder strap.",
                    "leather_description": "photos 1-4: metallic gold textile\/beaded exterior; leather is not visible.",
                    "lining_description": "photos 5-6: gold\/tan satin-like textile lining with interior stains; small sewn-in label visible.",
                    "strap_construction": "photos 1-2: narrow gold-tone chain shoulder strap attached at the bag sides.",
                    "stitching_description": "photos 3-6: visible gold-toned stitched\/beaded edging and regular seam construction; some edge wear is visible."
                },
                "possible_model_reasoning": [
                    "The rectangular flap silhouette and chain strap fit a vintage beaded evening shoulder bag, not a catalogued vintage Coach leather model.",
                    "photo 6: the interior label and patent notice support La Regale manufacture; no Coach model identification is supported.",
                    "Condition: Good; seller reports a discolored spot on the back and interior stains, and photo 6 shows visible interior staining."
                ],
                "confidence": 0.96,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "None needed for Coach determination - brand label legible; for purchase only: close-up of back discoloration and bead loss check"
                ],
                "negative_evidence": [
                    "photo 1-3: body is gold glitter fabric with all-over glass beading in checkered pattern, not glove-tanned leather",
                    "photo 5-6: interior has La Regale fabric labels and gold satin lining, no Coach creed patch",
                    "photo 5: closure is round gold-tone magnetic snap, no turnlock",
                    "photo 1-2: thin gold beaded chain strap, no brass dogleash clips or leather shoulder strap",
                    "photo 5-6: no COACH wordmark, horse-and-carriage, leather hangtag, or solid brass hardware visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone round magnetic snap closure and thin gold-tone beaded chain shoulder strap; no solid brass turnlock, buckles, or D-rings",
                    "leather_description": "no leather visible; gold glitter fabric base with gold and silver-tone glass beading in diamond-check pattern",
                    "lining_description": "gold-tan satin fabric lining with small slip pocket; interior stains visible in photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible as leather stitching; beaded overlay with edge beading, no tonal leather stitching observed",
                    "strap_construction": "thin gold-tone twisted beaded metal chain, non-adjustable evening-bag style",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Seller-identified as La Regale confirmed by interior fabric labels in photo 5 and photo 6; silhouette is beaded flap evening \/ shoulder bag with magnetic snap, a category Coach did not make in glove-tanned classics",
                    "No Coach identifiers in any photo: no creed, no COACH wordmark, no hangtag, no turnlock, no solid brass, no unlined suede interior",
                    "Materials rule out vintage Coach: beads, glitter fabric body, satin lining, plated magnetic hardware per triage rule",
                    "Condition: Good; photo 2 shows discolored spot on back, photo 6 shows interior stains, otherwise beading intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17730,
            "output_tokens": 872,
            "total_tokens": 18602,
            "estimated_cost_usd": 0.009185
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18067,
            "output_tokens": 1338,
            "total_tokens": 19405,
            "estimated_cost_usd": 0.004684
        }
    ]
}