Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.02,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.9,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with a shoulder strap and zip-top opening.",
        "photo 5: Interior label is visible and reads HAND MADE IN CHINA."
    ],
    "negative_evidence": [
        "photo 1: Bag is a heavily beaded\/evening-textile design rather than Coach's typical leather, coated canvas, or documented vintage constructions.",
        "photo 1: No visible Coach wordmark, horse-and-carriage mark, leather hangtag, or recognizable Coach hardware.",
        "photo 5: Interior uses shiny synthetic textile lining and has a generic country-of-origin label, with no creed patch or Coach tag visible.",
        "photo 6: Close-up of the label confirms HAND MADE IN CHINA, but provides no Coach identification.",
        "photo 1: black beaded satin evening bag, not glove-tanned leather",
        "photo 3: plain satin back with no leather, no brass hardware, no turnlock",
        "photo 4, photo 5, photo 6: black synthetic lining with white woven HAND MADE IN CHINA tag, no Coach creed patch",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather hangtag, no solid brass hardware visible"
    ],
    "missing_information": [
        "photo 1-6: No bottom, side, zipper-pull, or attachment-detail views sufficient to identify a maker.",
        "photo 5-6: No additional interior brand label or maker label is visible.",
        "photo 1-6: Seller-stated dimensions and material composition are not provided."
    ],
    "authenticity_concerns": [
        "photo 1: Decorative beaded construction and generic evening-bag styling are inconsistent with the visible identifiers expected for a vintage Coach leather handbag.",
        "photo 5-6: The generic HAND MADE IN CHINA label and absence of a creed or Coach branding strongly support a non-Coach lookalike or unrelated evening bag."
    ],
    "possible_model_reasoning": [
        "photo 1: The half-moon silhouette, beaded starburst decoration, and cord strap fit a generic vintage-style cocktail or evening bag, not a cataloged Coach model.",
        "photo 5-6: The visible generic China label and lack of any Coach identifier make a Coach attribution unlikely.",
        "photo 1-6: Condition appears Good to Very Good visually, with no major tears apparent, but interior, hardware function, odor, and bead security are incompletely assessed.",
        "No Coach silhouette, leather, hardware, creed, wordmark or hangtag to support any Coach model; beaded fabric evening bag is an excluded material per triage",
        "Condition: Good to Very Good; beadwork appears intact in photos, satin shows light creasing (photo 3), interior lining clean (photo 5)"
    ],
    "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: No turnlock or distinctive Coach hardware is visible; dark beaded\/trimmed edging and zipper hardware are visible.",
        "leather_description": "photo 1: Exterior appears to be textile or satin-like fabric decorated with extensive black beads and sequins; leather is not visible.",
        "lining_description": "photo 5-6: Black synthetic textile lining with a small white HAND MADE IN CHINA label.",
        "strap_construction": "photo 1: Long thin braided or cord-like shoulder strap attached at the upper sides; adjustment construction is not visible.",
        "stitching_description": "photo 1, photo 5: Perimeter stitching and beadwork are visible, but construction details are not sufficiently clear for brand attribution."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0024,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with a shoulder strap and zip-top opening.",
                    "photo 5: Interior label is visible and reads HAND MADE IN CHINA."
                ],
                "negative_evidence": [
                    "photo 1: Bag is a heavily beaded\/evening-textile design rather than Coach's typical leather, coated canvas, or documented vintage constructions.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage mark, leather hangtag, or recognizable Coach hardware.",
                    "photo 5: Interior uses shiny synthetic textile lining and has a generic country-of-origin label, with no creed patch or Coach tag visible.",
                    "photo 6: Close-up of the label confirms HAND MADE IN CHINA, but provides no Coach identification."
                ],
                "missing_information": [
                    "photo 1-6: No bottom, side, zipper-pull, or attachment-detail views sufficient to identify a maker.",
                    "photo 5-6: No additional interior brand label or maker label is visible.",
                    "photo 1-6: Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: Decorative beaded construction and generic evening-bag styling are inconsistent with the visible identifiers expected for a vintage Coach leather handbag.",
                    "photo 5-6: The generic HAND MADE IN CHINA label and absence of a creed or Coach branding strongly support a non-Coach lookalike or unrelated 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 1: No turnlock or distinctive Coach hardware is visible; dark beaded\/trimmed edging and zipper hardware are visible.",
                    "leather_description": "photo 1: Exterior appears to be textile or satin-like fabric decorated with extensive black beads and sequins; leather is not visible.",
                    "lining_description": "photo 5-6: Black synthetic textile lining with a small white HAND MADE IN CHINA label.",
                    "strap_construction": "photo 1: Long thin braided or cord-like shoulder strap attached at the upper sides; adjustment construction is not visible.",
                    "stitching_description": "photo 1, photo 5: Perimeter stitching and beadwork are visible, but construction details are not sufficiently clear for brand attribution."
                },
                "possible_model_reasoning": [
                    "photo 1: The half-moon silhouette, beaded starburst decoration, and cord strap fit a generic vintage-style cocktail or evening bag, not a cataloged Coach model.",
                    "photo 5-6: The visible generic China label and lack of any Coach identifier make a Coach attribution unlikely.",
                    "photo 1-6: Condition appears Good to Very Good visually, with no major tears apparent, but interior, hardware function, odor, and bead security are incompletely assessed."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "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": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: black beaded satin evening bag, not glove-tanned leather",
                    "photo 3: plain satin back with no leather, no brass hardware, no turnlock",
                    "photo 4, photo 5, photo 6: black synthetic lining with white woven HAND MADE IN CHINA tag, no Coach creed patch",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather hangtag, no solid brass hardware visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no brass hardware visible; thin dark zipper with fabric edge, braided cord strap",
                    "leather_description": "no leather visible; black satin-type fabric body with black glass beadwork",
                    "lining_description": "photo 4-5: black synthetic satin lining with slip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; beadwork construction, no leather stitching to assess",
                    "strap_construction": "photo 1, photo 3: thin black braided cord shoulder strap, sewn in",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette, leather, hardware, creed, wordmark or hangtag to support any Coach model; beaded fabric evening bag is an excluded material per triage",
                    "Condition: Good to Very Good; beadwork appears intact in photos, satin shows light creasing (photo 3), interior lining clean (photo 5)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23419,
            "output_tokens": 764,
            "total_tokens": 24183,
            "estimated_cost_usd": 0.011201
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24511,
            "output_tokens": 883,
            "total_tokens": 25394,
            "estimated_cost_usd": 0.005609
        }
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}