Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.015,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.91,
    "recommended_max_bid": 10,
    "estimated_resale_low": 9,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: exterior is visibly printed with the name \"FOSIDIRI,\" not COACH.",
        "photo 3: front flap repeats the FOSIDIRI name and a non-Coach floral\/monogram emblem.",
        "photo 6: another bag visibly shows a perforated \"GDBP\" wordmark.",
        "photo 1: the visible closure is a round snap\/button rather than a vintage Coach turnlock.",
        "photo 3: the bags use modern patterned coated\/synthetic-looking material, contrasting trim, and bright gold-tone hardware rather than the construction expected of vintage Coach.",
        "photo 5: interior appears fabric-lined and modern; no Coach creed patch is visible.",
        "photo 7: the small pouch has a separate \"GOUDANER GDBB\" marking and modern zipper construction.",
        "photo 3: flap exterior clearly branded FOSIDIRI with F logo in gold, not COACH",
        "photo 2: body coated canvas printed FOSIDIRI \/ F-quatrefoil \/ diamond, not Coach Signature C pairing",
        "photo 6: second bag \/ pouch clearly stamped GOUDANER GDBB, non-Coach brand",
        "photo 5: barrel bag perforated GDBB oval logo, woven zigzag guitar strap, modern fast-fashion construction",
        "photo 1, photo 4: magnetic snap closure and bright gold-tone plated hardware, not vintage solid brass turnlock",
        "photo 4: dark synthetic fabric lining and smooth coated synthetic leather, not unlined glove-tanned cowhide"
    ],
    "missing_information": [
        "Photos of the other bags in the advertised lot are not provided clearly enough for individual brand assessment.",
        "Straight-on photos of each bag's interior back wall and pockets.",
        "Close-ups of any sewn-in labels, serial\/style tags, zipper pulls, and hardware markings on each bag.",
        "Full front, back, bottom, strap, and corner views of all four bags.",
        "other 2 bags in stated lot of 4 not shown in provided photos",
        "no creed patch, interior pocket, or made-in tag shown for either visible bag",
        "no bottom, side, and hardware close-up views for full condition grade"
    ],
    "authenticity_concerns": [
        "photo 3: visible FOSIDIRI branding directly conflicts with a Coach identification.",
        "photo 6: visible GDBP\/Goudaner branding indicates a different modern brand or generic maker.",
        "photo 2: the decorative repeating pattern and branding are not Coach's paired-C Signature pattern.",
        "photo 1: modern synthetic-looking construction and snap closure are inconsistent with the likely vintage Coach population."
    ],
    "possible_model_reasoning": [
        "The visible bags do not match a recognizable Coach model. The first clearly marked bag is a small modern flap\/crossbody design branded FOSIDIRI, and the other visible bag\/pouch carries Goudaner\/GDBP branding.",
        "Condition: appears new or near-new in the photographed items, with tissue stuffing and little visible wear; condition of the remaining lot items is unknown.",
        "No Coach identifier visible on either bag shown: no creed, no COACH wordmark, no horse-and-carriage, no hangtag, no turnlock",
        "Both visible bags carry other brand names: FOSIDIRI (photo 2, photo 3) and GOUDANER GDBB (photo 6), positively identifying as non-Coach modern brands",
        "Construction is modern non-Coach: coated print canvas, synthetic leather, synthetic lining, magnetic snap, bright plating, woven strap - inconsistent with any vintage Coach era",
        "Condition: appears New\/Like New with tissue stuffing (photo 1, photo 4, photo 5) but lot incomplete - only 2 of 4 bags 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 3: bright gold-tone snap\/button and strap hardware; photo 6: gold-tone zipper and rings. No Coach engraving is visible.",
        "leather_description": "photo 3: smooth, uniform synthetic- or coated-material-looking trim; photo 6: pebbled synthetic-looking material. Natural glove-tanned leather is not evident.",
        "lining_description": "photo 5: dark fabric-like interior lining is visible; other interiors are not shown.",
        "strap_construction": "photo 3 and photo 6: detachable modern shoulder straps with gold-tone rings\/clips; photo 6 shows a wide woven geometric strap.",
        "stitching_description": "photos 1 and 3: prominent, evenly spaced contrasting machine stitching is visible; no vintage Coach-specific construction can be established."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: exterior is visibly printed with the name \"FOSIDIRI,\" not COACH.",
                    "photo 3: front flap repeats the FOSIDIRI name and a non-Coach floral\/monogram emblem.",
                    "photo 6: another bag visibly shows a perforated \"GDBP\" wordmark.",
                    "photo 1: the visible closure is a round snap\/button rather than a vintage Coach turnlock.",
                    "photo 3: the bags use modern patterned coated\/synthetic-looking material, contrasting trim, and bright gold-tone hardware rather than the construction expected of vintage Coach.",
                    "photo 5: interior appears fabric-lined and modern; no Coach creed patch is visible.",
                    "photo 7: the small pouch has a separate \"GOUDANER GDBB\" marking and modern zipper construction."
                ],
                "missing_information": [
                    "Photos of the other bags in the advertised lot are not provided clearly enough for individual brand assessment.",
                    "Straight-on photos of each bag's interior back wall and pockets.",
                    "Close-ups of any sewn-in labels, serial\/style tags, zipper pulls, and hardware markings on each bag.",
                    "Full front, back, bottom, strap, and corner views of all four bags."
                ],
                "authenticity_concerns": [
                    "photo 3: visible FOSIDIRI branding directly conflicts with a Coach identification.",
                    "photo 6: visible GDBP\/Goudaner branding indicates a different modern brand or generic maker.",
                    "photo 2: the decorative repeating pattern and branding are not Coach's paired-C Signature pattern.",
                    "photo 1: modern synthetic-looking construction and snap closure are inconsistent with the likely vintage Coach population."
                ],
                "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 3: bright gold-tone snap\/button and strap hardware; photo 6: gold-tone zipper and rings. No Coach engraving is visible.",
                    "leather_description": "photo 3: smooth, uniform synthetic- or coated-material-looking trim; photo 6: pebbled synthetic-looking material. Natural glove-tanned leather is not evident.",
                    "lining_description": "photo 5: dark fabric-like interior lining is visible; other interiors are not shown.",
                    "strap_construction": "photo 3 and photo 6: detachable modern shoulder straps with gold-tone rings\/clips; photo 6 shows a wide woven geometric strap.",
                    "stitching_description": "photos 1 and 3: prominent, evenly spaced contrasting machine stitching is visible; no vintage Coach-specific construction can be established."
                },
                "possible_model_reasoning": [
                    "The visible bags do not match a recognizable Coach model. The first clearly marked bag is a small modern flap\/crossbody design branded FOSIDIRI, and the other visible bag\/pouch carries Goudaner\/GDBP branding.",
                    "Condition: appears new or near-new in the photographed items, with tissue stuffing and little visible wear; condition of the remaining lot items is unknown."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "other 2 bags in stated lot of 4 not shown in provided photos",
                    "no creed patch, interior pocket, or made-in tag shown for either visible bag",
                    "no bottom, side, and hardware close-up views for full condition grade"
                ],
                "negative_evidence": [
                    "photo 3: flap exterior clearly branded FOSIDIRI with F logo in gold, not COACH",
                    "photo 2: body coated canvas printed FOSIDIRI \/ F-quatrefoil \/ diamond, not Coach Signature C pairing",
                    "photo 6: second bag \/ pouch clearly stamped GOUDANER GDBB, non-Coach brand",
                    "photo 5: barrel bag perforated GDBB oval logo, woven zigzag guitar strap, modern fast-fashion construction",
                    "photo 1, photo 4: magnetic snap closure and bright gold-tone plated hardware, not vintage solid brass turnlock",
                    "photo 4: dark synthetic fabric lining and smooth coated synthetic leather, not unlined glove-tanned cowhide"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated magnetic snap (photo 1, photo 2), gold-tone side brackets and clasps (photo 2, photo 3, photo 5); no turnlock, no solid brass, no COACH stamping visible",
                    "leather_description": "smooth coated synthetic \/ faux leather in sage green and beige plus printed coated canvas with FOSIDIRI monogram-like print (photo 2, photo 3); pebbled-embossed synthetic on second bag (photo 5, photo 6); no glove-tanned grain or patina",
                    "lining_description": "dark brown\/black synthetic fabric lining (photo 4); no suede-back unlined leather, no creed patch",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white contrast machine stitching around flap edges (photo 1, photo 3); even but modern synthetic-bag stitching",
                    "strap_construction": "thin synthetic top handle \/ wristlet on first bag (photo 3); wide woven textile guitar strap with zigzag pattern and gold-tone clips on second bag (photo 5)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible on either bag shown: no creed, no COACH wordmark, no horse-and-carriage, no hangtag, no turnlock",
                    "Both visible bags carry other brand names: FOSIDIRI (photo 2, photo 3) and GOUDANER GDBB (photo 6), positively identifying as non-Coach modern brands",
                    "Construction is modern non-Coach: coated print canvas, synthetic leather, synthetic lining, magnetic snap, bright plating, woven strap - inconsistent with any vintage Coach era",
                    "Condition: appears New\/Like New with tissue stuffing (photo 1, photo 4, photo 5) but lot incomplete - only 2 of 4 bags shown, so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28773,
            "output_tokens": 833,
            "total_tokens": 29606,
            "estimated_cost_usd": 0.013508
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30084,
            "output_tokens": 1315,
            "total_tokens": 31399,
            "estimated_cost_usd": 0.007069
        }
    ]
}