Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.165,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.875,
    "recommended_max_bid": 10,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from a heavily sequined\/metallic textile rather than Coach's characteristic leather, coated canvas, or documented vintage materials",
        "photo 1 and photo 3: visible silver-tone rings and strap hardware do not resemble the solid brass hardware typical of many vintage Coach classics",
        "photo 1-6: no Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag is visible",
        "photo 2: reverse shows a textile exterior and zipper pocket, with no visible Coach branding",
        "photo 1-6: body is striped sequin \/ metallic fabric with large coin sequins, not glove-tanned cowhide",
        "photo 4: silver-tone O-rings and zipper pull, not solid brass vintage Coach hardware",
        "photo 1-3: zip-top hobo with exterior back zip pocket, no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 5-6: sequin \/ beaded construction with fabric base, material class that rates coach_probability <=0.05 without a Coach identifier"
    ],
    "missing_information": [
        "photo 1-6: interior, lining, and any interior labels are not shown",
        "photo 1-6: no close-up of a possible brand label, zipper pull, or interior seam tag",
        "seller-stated dimensions are not provided",
        "photo of emptied interior and any interior brand \/ content tags not shown",
        "creed patch close-up not shown - no stamped leather patch visible in any photo",
        "bottom and close-up hardware stamp views not shown"
    ],
    "authenticity_concerns": [
        "photo 1-6: the sequined textile construction and decorative style are inconsistent with the likely vintage leather Coach population; this appears to be a generic or fashion textile bag rather than Coach"
    ],
    "possible_model_reasoning": [
        "The silhouette is a soft shoulder or hobo bag, but silhouette alone is not sufficient for a Coach attribution and no Coach model-specific identifiers are visible.",
        "The seller's Y2K description is broadly consistent with the textile\/sequin styling visible in photos 1-6, but seller text is weak evidence for brand or date.",
        "Condition: Good as described by the seller, with visible sequin wear and scratches\/abrasion on some sequins in photos 1, 5, and 6; interior condition and odor are unknown.",
        "No Coach model fits: sequin fabric hobo with silver hardware and no leather, no creed, no turnlock matches no catalog style in 4.2 \/ 4.3",
        "Era reasoning: seller states Y2K vintage and construction is Y2K sequin shoulder bag, consistent with modern (2000s+), non-Coach",
        "Condition: Good; seller states good used condition with some wear on sequins, photo 5-6 shows scuffed \/ creased paillettes"
    ],
    "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, 3, and 4: silver-tone circular strap rings, zipper hardware, and a narrow metal zipper pull are visible; no Coach engraving is visible",
        "leather_description": "photo 1-6: no leather is visible; exterior appears to be black fabric densely decorated with black, gold, bronze, and metallic sequins",
        "lining_description": "not_visible - interior never shown",
        "strap_construction": "photo 1-4: wide textile shoulder strap with sequined decoration and adjustable-looking sections attached through large circular metal rings",
        "stitching_description": "photo 5 and 6: textile\/sequin rows and edge seams are visible; no distinctive Coach construction can be established"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0043,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from a heavily sequined\/metallic textile rather than Coach's characteristic leather, coated canvas, or documented vintage materials",
                    "photo 1 and photo 3: visible silver-tone rings and strap hardware do not resemble the solid brass hardware typical of many vintage Coach classics",
                    "photo 1-6: no Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag is visible",
                    "photo 2: reverse shows a textile exterior and zipper pocket, with no visible Coach branding"
                ],
                "missing_information": [
                    "photo 1-6: interior, lining, and any interior labels are not shown",
                    "photo 1-6: no close-up of a possible brand label, zipper pull, or interior seam tag",
                    "seller-stated dimensions are not provided"
                ],
                "authenticity_concerns": [
                    "photo 1-6: the sequined textile construction and decorative style are inconsistent with the likely vintage leather Coach population; this appears to be a generic or fashion textile bag rather than Coach"
                ],
                "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, 3, and 4: silver-tone circular strap rings, zipper hardware, and a narrow metal zipper pull are visible; no Coach engraving is visible",
                    "leather_description": "photo 1-6: no leather is visible; exterior appears to be black fabric densely decorated with black, gold, bronze, and metallic sequins",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-4: wide textile shoulder strap with sequined decoration and adjustable-looking sections attached through large circular metal rings",
                    "stitching_description": "photo 5 and 6: textile\/sequin rows and edge seams are visible; no distinctive Coach construction can be established"
                },
                "possible_model_reasoning": [
                    "The silhouette is a soft shoulder or hobo bag, but silhouette alone is not sufficient for a Coach attribution and no Coach model-specific identifiers are visible.",
                    "The seller's Y2K description is broadly consistent with the textile\/sequin styling visible in photos 1-6, but seller text is weak evidence for brand or date.",
                    "Condition: Good as described by the seller, with visible sequin wear and scratches\/abrasion on some sequins in photos 1, 5, and 6; interior condition and odor are unknown."
                ],
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of emptied interior and any interior brand \/ content tags not shown",
                    "creed patch close-up not shown - no stamped leather patch visible in any photo",
                    "bottom and close-up hardware stamp views not shown"
                ],
                "negative_evidence": [
                    "photo 1-6: body is striped sequin \/ metallic fabric with large coin sequins, not glove-tanned cowhide",
                    "photo 4: silver-tone O-rings and zipper pull, not solid brass vintage Coach hardware",
                    "photo 1-3: zip-top hobo with exterior back zip pocket, no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 5-6: sequin \/ beaded construction with fabric base, material class that rates coach_probability <=0.05 without a Coach identifier"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone metal O-rings at strap attachments and silver-tone zipper pull; no brass, no turnlock, no COACH stamping visible",
                    "leather_description": "no leather visible; striped black \/ gold \/ bronze sequin and metallic-thread fabric with large round paillettes",
                    "lining_description": "not_visible - interior never shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - stitching obscured by sequins",
                    "strap_construction": "single short shoulder strap in matching sequin fabric with silver-tone ring attachments",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: sequin fabric hobo with silver hardware and no leather, no creed, no turnlock matches no catalog style in 4.2 \/ 4.3",
                    "Era reasoning: seller states Y2K vintage and construction is Y2K sequin shoulder bag, consistent with modern (2000s+), non-Coach",
                    "Condition: Good; seller states good used condition with some wear on sequins, photo 5-6 shows scuffed \/ creased paillettes"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18108,
            "output_tokens": 749,
            "total_tokens": 18857,
            "estimated_cost_usd": 0.009041
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18663,
            "output_tokens": 1487,
            "total_tokens": 20150,
            "estimated_cost_usd": 0.004922
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}