Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.845,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.885,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder\/crossbody handbag with a long strap and multiple compartments.",
        "photos 1, 3 and 4: substantial leather patchwork construction is visible."
    ],
    "negative_evidence": [
        "photos 1, 3 and 4: no COACH wordmark, horse-and-carriage mark, hangtag, or other visible Coach branding.",
        "photos 5-8: interior is fabric-lined and has no visible sewn Coach creed patch or style-number tag.",
        "photos 1, 3 and 4: patchwork, decorative lacing, patterned leather panels, and dark plated hardware do not match the classic unlined glove-tanned Coach construction.",
        "photo 1: the closure appears to be a snap rather than a Coach-style turnlock.",
        "photo 1: multicolor patchwork squares with black lacing and embossed animal-print patches - construction never used on vintage Coach classics",
        "photo 3: back panel irregular patchwork with zigzag stitching, not Coach tone-on-tone glove-tanned construction",
        "photo 4: magnetic snap closure, not Coach brass turnlock geometry",
        "photo 5: flap underside lined in brown fabric, not unlined suede-back glove-tanned leather",
        "photo 6: interior fully lined in brown fabric with inset zip pocket, no creed patch visible on back wall",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no leather hangtag, no solid brass hardware visible"
    ],
    "missing_information": [
        "A straight-on close-up of every interior wall and pocket seam to confirm that no creed or fabric brand tag is present.",
        "Close-ups of the zipper pull, strap clips, and any hardware markings.",
        "Bottom, side, and strap-anchor photos for a more complete construction and condition assessment.",
        "Seller-stated dimensions and information about odor, mold, or repairs.",
        "No Coach identifiers visible so no further Coach-specific photos needed; bottom and hardware close-ups would confirm generic condition only"
    ],
    "authenticity_concerns": [
        "The bag has generic patchwork construction and no visible Coach identifiers; it is more consistent with an unbranded or lookalike leather bag than a Coach product.",
        "The fabric lining and decorative stitched patchwork are inconsistent with many classic vintage Coach silhouettes and construction methods."
    ],
    "possible_model_reasoning": [
        "No Coach silhouette match: flap crossbody shape is generic; patchwork, fabric lining, and snap closure inconsistent with any catalog classic like City Bag, Court, Station, Dinky",
        "No hard identifiers: no creed, no serial, no wordmark, no hangtag in any of 6 photos",
        "Era reasoning: materials and Boho Y2K patchwork style indicate modern (2000s+) non-Coach production",
        "Condition: Very Good; leather intact with normal softening, no major corner wear visible (photos 1-3), interior appears clean (photo 6), strap 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": "photos 1, 3, 5 and 7: dark\/silver-tone strap rings, clips, zipper hardware, and snap fasteners are visible; no Coach engraving is legible.",
        "leather_description": "photos 1, 3 and 4: multicolor brown, tan, black, and patterned leather patchwork with extensive decorative leather lacing; several panels show pronounced creasing and surface wear.",
        "lining_description": "photos 5-8: brown fabric lining is visible, with a zippered interior pocket and multiple compartments; no brand label or creed is visible.",
        "strap_construction": "photos 1-3: long adjustable-looking dark leather shoulder strap attached by small metal rings and leather tabs; strap detail and adjustment mechanism are not fully shown.",
        "stitching_description": "photos 1, 3 and 4: prominent contrasting decorative lacing and visible machine stitching join the irregular leather patches; some edges and seams appear worn."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder\/crossbody handbag with a long strap and multiple compartments.",
                    "photos 1, 3 and 4: substantial leather patchwork construction is visible."
                ],
                "negative_evidence": [
                    "photos 1, 3 and 4: no COACH wordmark, horse-and-carriage mark, hangtag, or other visible Coach branding.",
                    "photos 5-8: interior is fabric-lined and has no visible sewn Coach creed patch or style-number tag.",
                    "photos 1, 3 and 4: patchwork, decorative lacing, patterned leather panels, and dark plated hardware do not match the classic unlined glove-tanned Coach construction.",
                    "photo 1: the closure appears to be a snap rather than a Coach-style turnlock."
                ],
                "missing_information": [
                    "A straight-on close-up of every interior wall and pocket seam to confirm that no creed or fabric brand tag is present.",
                    "Close-ups of the zipper pull, strap clips, and any hardware markings.",
                    "Bottom, side, and strap-anchor photos for a more complete construction and condition assessment.",
                    "Seller-stated dimensions and information about odor, mold, or repairs."
                ],
                "authenticity_concerns": [
                    "The bag has generic patchwork construction and no visible Coach identifiers; it is more consistent with an unbranded or lookalike leather bag than a Coach product.",
                    "The fabric lining and decorative stitched patchwork are inconsistent with many classic vintage Coach silhouettes and construction methods."
                ],
                "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": "photos 1, 3, 5 and 7: dark\/silver-tone strap rings, clips, zipper hardware, and snap fasteners are visible; no Coach engraving is legible.",
                    "leather_description": "photos 1, 3 and 4: multicolor brown, tan, black, and patterned leather patchwork with extensive decorative leather lacing; several panels show pronounced creasing and surface wear.",
                    "lining_description": "photos 5-8: brown fabric lining is visible, with a zippered interior pocket and multiple compartments; no brand label or creed is visible.",
                    "strap_construction": "photos 1-3: long adjustable-looking dark leather shoulder strap attached by small metal rings and leather tabs; strap detail and adjustment mechanism are not fully shown.",
                    "stitching_description": "photos 1, 3 and 4: prominent contrasting decorative lacing and visible machine stitching join the irregular leather patches; some edges and seams appear worn."
                },
                "possible_model_reasoning": [],
                "confidence": 0.89,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 15,
                "image_quality_score": 0.78,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach identifiers visible so no further Coach-specific photos needed; bottom and hardware close-ups would confirm generic condition only"
                ],
                "negative_evidence": [
                    "photo 1: multicolor patchwork squares with black lacing and embossed animal-print patches - construction never used on vintage Coach classics",
                    "photo 3: back panel irregular patchwork with zigzag stitching, not Coach tone-on-tone glove-tanned construction",
                    "photo 4: magnetic snap closure, not Coach brass turnlock geometry",
                    "photo 5: flap underside lined in brown fabric, not unlined suede-back glove-tanned leather",
                    "photo 6: interior fully lined in brown fabric with inset zip pocket, no creed patch visible on back wall",
                    "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": "dark-tone metal snap and small strap rings; no brass turnlock, no brass buckles or dogleash clips visible",
                    "leather_description": "thin patchwork leather in brown\/black\/tan squares, some with embossed animal\/floral patterns, whip-laced seams; not smooth glove-tanned cowhide",
                    "lining_description": "photo 5-6: brown woven fabric lining on flap underside and interior with zip pocket; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible zigzag machine stitching between patches plus black leather lacing on flap; not tight matched straight stitching",
                    "strap_construction": "thin dark brown fixed-length crossbody strap attached with small metal rings and snap-button tabs",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: flap crossbody shape is generic; patchwork, fabric lining, and snap closure inconsistent with any catalog classic like City Bag, Court, Station, Dinky",
                    "No hard identifiers: no creed, no serial, no wordmark, no hangtag in any of 6 photos",
                    "Era reasoning: materials and Boho Y2K patchwork style indicate modern (2000s+) non-Coach production",
                    "Condition: Very Good; leather intact with normal softening, no major corner wear visible (photos 1-3), interior appears clean (photo 6), strap intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33098,
            "output_tokens": 792,
            "total_tokens": 33890,
            "estimated_cost_usd": 0.01514
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35569,
            "output_tokens": 1199,
            "total_tokens": 36768,
            "estimated_cost_usd": 0.008073
        }
    ]
}