Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.93,
    "recommended_max_bid": 9,
    "estimated_resale_low": 9,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Front shows a rectangular geometric beaded\/mother-of-pearl-style shell body, unlike Coach's documented leather, coated-canvas, or signature textile handbag construction.",
        "photo 1: Large glossy black-and-brown resin or plastic top handle is not characteristic of a vintage Coach handle or turnlock design.",
        "photo 5: Interior is metallic satin-like fabric with a small zip pocket and magnetic closures; no Coach creed patch or wordmark is visible.",
        "photo 6: Interior construction and light synthetic-looking materials are inconsistent with classic unlined glove-tanned Coach construction.",
        "photo 1: No Coach horse-and-carriage, COACH wordmark, leather hangtag, or recognizable Coach silhouette is visible.",
        "photo 1-4: body made of white mother-of-pearl-like squares stitched in diamond grid with gold beading, not glove-tanned leather",
        "photo 1-6: rigid tortoise-pattern plastic top handles looped through fabric tabs, not leather straps or brass hardware",
        "photo 5-6: gold satin fabric lining with white coil zip pocket and magnetic snap closure, not unlined suede or Coach creed patch",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag, no turnlock visible"
    ],
    "missing_information": [
        "photo 5: A full interior-wall and pocket-seam close-up would confirm that no label or fabric brand tag is present.",
        "photo 1: Bottom, side, and rear views are not shown.",
        "photo 5: Zipper-pull and closure hardware close-ups are not provided.",
        "no further Coach-specific views needed; exterior, interior and closure all shown"
    ],
    "authenticity_concerns": [
        "photo 1: The bag's beaded shell and decorative resin handle indicate a generic evening or novelty bag rather than a Coach product.",
        "photo 5: The synthetic-looking lining and magnetic closure do not form a consistent match for vintage Coach leather construction.",
        "photo 1-6: non-leather beaded construction inconsistent with any Coach glove-tanned or canvas line"
    ],
    "possible_model_reasoning": [
        "No Coach silhouette, material, hardware or identifier matches; beaded evening-bag construction is an excluded material per triage",
        "Condition: Good to Very Good for costume jewelry bag; loose threads at handle tabs in photo 5-6, otherwise tiles intact"
    ],
    "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: Glossy oversized black-and-brown resin\/plastic top handle with gold-tone attachment tabs. photo 5: Magnetic snap closures and a light-colored zipper are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: No leather is visibly present; the exterior appears to be a rigid or semi-rigid beaded shell with white iridescent tiles and gold-toned fabric or thread.",
        "lining_description": "photo 5: Gold metallic satin-like textile lining with a small zippered interior pocket; no brand label is visible.",
        "strap_construction": "photo 1: Short fixed top handle only; no shoulder strap is visible.",
        "stitching_description": "photo 2: Decorative dark-gold lattice stitching or thread secures the shell elements; edge stitching is visible but does not resemble classic Coach leather construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "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": 0.91,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Front shows a rectangular geometric beaded\/mother-of-pearl-style shell body, unlike Coach's documented leather, coated-canvas, or signature textile handbag construction.",
                    "photo 1: Large glossy black-and-brown resin or plastic top handle is not characteristic of a vintage Coach handle or turnlock design.",
                    "photo 5: Interior is metallic satin-like fabric with a small zip pocket and magnetic closures; no Coach creed patch or wordmark is visible.",
                    "photo 6: Interior construction and light synthetic-looking materials are inconsistent with classic unlined glove-tanned Coach construction.",
                    "photo 1: No Coach horse-and-carriage, COACH wordmark, leather hangtag, or recognizable Coach silhouette is visible."
                ],
                "missing_information": [
                    "photo 5: A full interior-wall and pocket-seam close-up would confirm that no label or fabric brand tag is present.",
                    "photo 1: Bottom, side, and rear views are not shown.",
                    "photo 5: Zipper-pull and closure hardware close-ups are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The bag's beaded shell and decorative resin handle indicate a generic evening or novelty bag rather than a Coach product.",
                    "photo 5: The synthetic-looking lining and magnetic closure do not form a consistent match for vintage Coach leather construction."
                ],
                "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: Glossy oversized black-and-brown resin\/plastic top handle with gold-tone attachment tabs. photo 5: Magnetic snap closures and a light-colored zipper are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: No leather is visibly present; the exterior appears to be a rigid or semi-rigid beaded shell with white iridescent tiles and gold-toned fabric or thread.",
                    "lining_description": "photo 5: Gold metallic satin-like textile lining with a small zippered interior pocket; no brand label is visible.",
                    "strap_construction": "photo 1: Short fixed top handle only; no shoulder strap is visible.",
                    "stitching_description": "photo 2: Decorative dark-gold lattice stitching or thread secures the shell elements; edge stitching is visible but does not resemble classic Coach leather construction."
                },
                "possible_model_reasoning": [],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: non-leather beaded construction inconsistent with any Coach glove-tanned or canvas line"
                ],
                "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": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no further Coach-specific views needed; exterior, interior and closure all shown"
                ],
                "negative_evidence": [
                    "photo 1-4: body made of white mother-of-pearl-like squares stitched in diamond grid with gold beading, not glove-tanned leather",
                    "photo 1-6: rigid tortoise-pattern plastic top handles looped through fabric tabs, not leather straps or brass hardware",
                    "photo 5-6: gold satin fabric lining with white coil zip pocket and magnetic snap closure, not unlined suede or Coach creed patch",
                    "photo 1-6: 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": "magnetic snap closure and tortoise-effect rigid plastic top handles; no brass turnlock, no brass hardware",
                    "leather_description": "no leather visible; exterior is sewn shell-like tiles and gold beadwork on gold fabric base",
                    "lining_description": "gold satin-like fabric lining with interior white-zip slip pocket visible in photo 5-6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "hand-applied beading and tile tacking in diamond pattern; top edge machine stitching uneven with loose threads",
                    "strap_construction": "two short rigid plastic top handles attached via small gold fabric loops, no adjustable strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette, material, hardware or identifier matches; beaded evening-bag construction is an excluded material per triage",
                    "Condition: Good to Very Good for costume jewelry bag; loose threads at handle tabs in photo 5-6, otherwise tiles intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28777,
            "output_tokens": 702,
            "total_tokens": 29479,
            "estimated_cost_usd": 0.013196
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30088,
            "output_tokens": 991,
            "total_tokens": 31079,
            "estimated_cost_usd": 0.00681
        }
    ]
}