Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.635,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.8,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the handbag has brown checkerboard coated-canvas styling and a monogrammed shoulder strap, with no visible Coach wordmark, carriage, creed patch, or Coach hangtag.",
        "photo 1: the overall logo-pattern design appears more like a contemporary designer-inspired or lookalike bag than a vintage Coach leather handbag.",
        "photo 2: the interior is fabric-lined in bright red and shows no visible Coach creed or serial tag.",
        "photo 1: brown checkered coated canvas body with dark brown trim - Damier-like checkerboard, not Coach Signature C pairing\/alignment",
        "photo 1: zip-top bowling\/speedy silhouette with rolled top handles - not a catalog vintage Coach glove-tanned silhouette",
        "photo 2: red fabric lining visible inside zip opening - vintage Coach classics are unlined suede, not red polyester",
        "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: wide detachable printed shoulder strap and gold-tone zipper - inconsistent with 1970s-1990s solid brass Coach construction"
    ],
    "missing_information": [
        "photo 1: bottom, side panels, and close-ups of all hardware are not shown.",
        "photo 2: the interior back wall, pockets, and any sewn-in brand or fabric tags are not shown clearly.",
        "A close-up of the zipper pulls, strap clips, and any interior labels would be needed to identify another brand.",
        "photo 1: no creed patch or Coach wordmark visible - interior back wall and pockets not shown in detail",
        "photo 1: no hangtag or Coach hardware stamps visible",
        "photo 1: no bottom, side and hardware close-up views"
    ],
    "authenticity_concerns": [
        "photo 1: checkerboard monogram canvas and matching patterned strap are inconsistent with the construction and materials of classic vintage Coach glove-tanned leather bags.",
        "photo 1: no Coach identifier is visible despite the exterior being sufficiently visible to show the main design."
    ],
    "possible_model_reasoning": [
        "photo 1: the compact zip-top satchel with top handles and a long strap is a modern generic handbag silhouette, not a clearly identifiable Coach catalog model.",
        "photo 2: bright fabric lining and patterned coated-canvas exterior support a modern non-Coach classification rather than a vintage unlined Coach classic.",
        "Condition: appears Very Good from the limited photos, with no obvious major damage visible; bottom, corners, odor, and detailed interior condition are not adequately shown.",
        "photo 1-2 shape, coated checkered canvas, red lining and strap point to Louis Vuitton Speedy\/Damier-style modern bag, not any Coach catalog style in section 4",
        "no Coach hard identifiers visible so no serial decode or era decode applies",
        "Condition: appears clean and Like New-Excellent from limited views (photo 1 exterior, photo 2 interior), but bottom corners, strap fold and full interior not shown so grade capped"
    ],
    "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: small gold-tone rectangular buckles, rings, and zipper hardware are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: dark brown trim and handles appear smooth and possibly coated or synthetic; leather type cannot be confirmed.",
        "lining_description": "photo 2: bright red fabric-like lining is visible.",
        "strap_construction": "photo 1: detachable-looking long shoulder strap with patterned material and dark trim; attachment details are visible but not sufficiently close for brand identification.",
        "stitching_description": "photo 1: exterior seams appear machine-stitched and generally even, but close-up quality is insufficient for detailed construction assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the handbag has brown checkerboard coated-canvas styling and a monogrammed shoulder strap, with no visible Coach wordmark, carriage, creed patch, or Coach hangtag.",
                    "photo 1: the overall logo-pattern design appears more like a contemporary designer-inspired or lookalike bag than a vintage Coach leather handbag.",
                    "photo 2: the interior is fabric-lined in bright red and shows no visible Coach creed or serial tag."
                ],
                "missing_information": [
                    "photo 1: bottom, side panels, and close-ups of all hardware are not shown.",
                    "photo 2: the interior back wall, pockets, and any sewn-in brand or fabric tags are not shown clearly.",
                    "A close-up of the zipper pulls, strap clips, and any interior labels would be needed to identify another brand."
                ],
                "authenticity_concerns": [
                    "photo 1: checkerboard monogram canvas and matching patterned strap are inconsistent with the construction and materials of classic vintage Coach glove-tanned leather bags.",
                    "photo 1: no Coach identifier is visible despite the exterior being sufficiently visible to show the main design."
                ],
                "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: small gold-tone rectangular buckles, rings, and zipper hardware are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: dark brown trim and handles appear smooth and possibly coated or synthetic; leather type cannot be confirmed.",
                    "lining_description": "photo 2: bright red fabric-like lining is visible.",
                    "strap_construction": "photo 1: detachable-looking long shoulder strap with patterned material and dark trim; attachment details are visible but not sufficiently close for brand identification.",
                    "stitching_description": "photo 1: exterior seams appear machine-stitched and generally even, but close-up quality is insufficient for detailed construction assessment."
                },
                "possible_model_reasoning": [
                    "photo 1: the compact zip-top satchel with top handles and a long strap is a modern generic handbag silhouette, not a clearly identifiable Coach catalog model.",
                    "photo 2: bright fabric lining and patterned coated-canvas exterior support a modern non-Coach classification rather than a vintage unlined Coach classic.",
                    "Condition: appears Very Good from the limited photos, with no obvious major damage visible; bottom, corners, odor, and detailed interior condition are not adequately shown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 5,
                "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": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1: no creed patch or Coach wordmark visible - interior back wall and pockets not shown in detail",
                    "photo 1: no hangtag or Coach hardware stamps visible",
                    "photo 1: no bottom, side and hardware close-up views"
                ],
                "negative_evidence": [
                    "photo 1: brown checkered coated canvas body with dark brown trim - Damier-like checkerboard, not Coach Signature C pairing\/alignment",
                    "photo 1: zip-top bowling\/speedy silhouette with rolled top handles - not a catalog vintage Coach glove-tanned silhouette",
                    "photo 2: red fabric lining visible inside zip opening - vintage Coach classics are unlined suede, not red polyester",
                    "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: wide detachable printed shoulder strap and gold-tone zipper - inconsistent with 1970s-1990s solid brass Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zip-top zipper and handle hardware visible in photo 1; engravings not legible",
                    "leather_description": "brown checkered coated canvas with dark smooth trim, not glove-tanned leather; photo 1",
                    "lining_description": "red fabric lining visible in photo 2 interior view",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "short rolled top handles plus detachable wide light-color printed shoulder strap with metal clips in photo 1",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1-2 shape, coated checkered canvas, red lining and strap point to Louis Vuitton Speedy\/Damier-style modern bag, not any Coach catalog style in section 4",
                    "no Coach hard identifiers visible so no serial decode or era decode applies",
                    "Condition: appears clean and Like New-Excellent from limited views (photo 1 exterior, photo 2 interior), but bottom corners, strap fold and full interior not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16076,
            "output_tokens": 749,
            "total_tokens": 16825,
            "estimated_cost_usd": 0.008228
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16448,
            "output_tokens": 1258,
            "total_tokens": 17706,
            "estimated_cost_usd": 0.004296
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}