Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.015,
    "vintage_probability": 0.525,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.925,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag has a bamboo\/wood barrel construction with carved or decorative paneling, unlike the leather, suede, canvas, or coated-canvas materials associated with Coach handbags",
        "photo 2: the exterior shows bamboo edging and wrapped handles, with no visible Coach wordmark, horse-and-carriage, or leather hangtag",
        "photo 3: the interior is a wooden or wood-finished compartment with no visible Coach creed patch, fabric tag, or conventional handbag lining",
        "photo 1: the clasp appears dark metal and decorative rather than a Coach vintage turnlock; the overall construction is a novelty bamboo satchel rather than a documented Coach silhouette",
        "listing title: seller identifies the item as bamboo and brass and lists it as unbranded, which is consistent with the visible construction",
        "photo 1, photo 2: body is rigid bamboo\/wood with embossed brass-tone bands, not glove-tanned leather",
        "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 3: unlined wood interior with no lining or creed, not Coach suede or fabric lining",
        "photo 2: hook-style latch, not Coach turnlock geometry; no solid-brass Coach hardware"
    ],
    "missing_information": [
        "photo 3: no close-up of the clasp, hinges, or any maker mark",
        "photo 3: the interior edges and bottom are not shown in close detail for hidden labels or stamps",
        "no underside, side, or hardware-maker close-ups",
        "strap or detachable shoulder-strap details are not shown"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifiers are visible, and the non-leather bamboo\/wood construction is inconsistent with the classic vintage Coach population",
        "photo 3: the wooden interior and decorative construction do not match Coach creed-and-leather construction; this should be treated as a non-Coach novelty or artisan bag",
        "photo 1, photo 2: bamboo\/wood and embossed brass-tone barrel construction inconsistent with any Coach leather handbag line"
    ],
    "possible_model_reasoning": [
        "photo 1: barrel-shaped novelty satchel with bamboo\/wood panels; no plausible Coach catalog model match.",
        "photo 3: wood-lined interior and nonstandard decorative body make a Coach attribution highly unlikely.",
        "Condition: Fair to Good; visible age, surface wear, darkened or distressed hardware, and worn wood edges are present, while the structure remains intact. Interior condition is visible but maker marks and functional details are incomplete.",
        "Object type excludes Coach: bamboo barrel box purse with wood interior is outside all Coach leather and canvas catalog lines in photos 1-3",
        "No hard identifiers for Coach present in any photo",
        "Condition: Good to Very Good for a novelty box purse; wood shows minor wear but intact; not graded on Coach scale"
    ],
    "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: dark metal central clasp; visible bamboo or wood edging, wrapped handles, and small metal fasteners. No Coach engraving is visible.",
        "leather_description": "photo 1: no conventional leather body is visible; the body appears to use wood or bamboo components with a dark patterned central panel.",
        "lining_description": "photo 3: interior appears wood-lined or wood-finished, with no fabric lining visible.",
        "strap_construction": "twin short wrapped bamboo\/rattan top handles, no shoulder strap",
        "stitching_description": "photo 1 and photo 3: limited visible stitching; construction appears primarily assembled from wood\/bamboo panels and metal fittings rather than sewn leather."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.75,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag has a bamboo\/wood barrel construction with carved or decorative paneling, unlike the leather, suede, canvas, or coated-canvas materials associated with Coach handbags",
                    "photo 2: the exterior shows bamboo edging and wrapped handles, with no visible Coach wordmark, horse-and-carriage, or leather hangtag",
                    "photo 3: the interior is a wooden or wood-finished compartment with no visible Coach creed patch, fabric tag, or conventional handbag lining",
                    "photo 1: the clasp appears dark metal and decorative rather than a Coach vintage turnlock; the overall construction is a novelty bamboo satchel rather than a documented Coach silhouette",
                    "listing title: seller identifies the item as bamboo and brass and lists it as unbranded, which is consistent with the visible construction"
                ],
                "missing_information": [
                    "photo 3: no close-up of the clasp, hinges, or any maker mark",
                    "photo 3: the interior edges and bottom are not shown in close detail for hidden labels or stamps",
                    "no underside, side, or hardware-maker close-ups",
                    "strap or detachable shoulder-strap details are not shown"
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifiers are visible, and the non-leather bamboo\/wood construction is inconsistent with the classic vintage Coach population",
                    "photo 3: the wooden interior and decorative construction do not match Coach creed-and-leather construction; this should be treated as a non-Coach novelty or artisan 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: dark metal central clasp; visible bamboo or wood edging, wrapped handles, and small metal fasteners. No Coach engraving is visible.",
                    "leather_description": "photo 1: no conventional leather body is visible; the body appears to use wood or bamboo components with a dark patterned central panel.",
                    "lining_description": "photo 3: interior appears wood-lined or wood-finished, with no fabric lining visible.",
                    "strap_construction": "not_visible",
                    "stitching_description": "photo 1 and photo 3: limited visible stitching; construction appears primarily assembled from wood\/bamboo panels and metal fittings rather than sewn leather."
                },
                "possible_model_reasoning": [
                    "photo 1: barrel-shaped novelty satchel with bamboo\/wood panels; no plausible Coach catalog model match.",
                    "photo 3: wood-lined interior and nonstandard decorative body make a Coach attribution highly unlikely.",
                    "Condition: Fair to Good; visible age, surface wear, darkened or distressed hardware, and worn wood edges are present, while the structure remains intact. Interior condition is visible but maker marks and functional details are incomplete."
                ],
                "confidence": 0.9,
                "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, photo 2: bamboo\/wood and embossed brass-tone barrel construction inconsistent with any Coach leather handbag line"
                ],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.95,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1, photo 2: body is rigid bamboo\/wood with embossed brass-tone bands, not glove-tanned leather",
                    "photo 1, photo 2, photo 3: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 3: unlined wood interior with no lining or creed, not Coach suede or fabric lining",
                    "photo 2: hook-style latch, not Coach turnlock geometry; no solid-brass Coach hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone hook-and-eye front latch, small rear hinges, embossed brass-tone metal bands with scroll pattern",
                    "leather_description": "no leather visible; light bamboo\/wood frame with dark textured panels and metal bands",
                    "lining_description": "unlined wood interior, no fabric or suede lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - rigid wood\/bamboo construction shows no stitching",
                    "strap_construction": "twin short wrapped bamboo\/rattan top handles, no shoulder strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Object type excludes Coach: bamboo barrel box purse with wood interior is outside all Coach leather and canvas catalog lines in photos 1-3",
                    "No hard identifiers for Coach present in any photo",
                    "Condition: Good to Very Good for a novelty box purse; wood shows minor wear but intact; not graded on Coach scale"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24105,
            "output_tokens": 753,
            "total_tokens": 24858,
            "estimated_cost_usd": 0.011449
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25481,
            "output_tokens": 1305,
            "total_tokens": 26786,
            "estimated_cost_usd": 0.00614
        }
    ]
}