Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.91,
    "recommended_max_bid": 15,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 45,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: lot consists of four contemporary-looking handbags with synthetic or faux-leather surfaces, decorative stitching, and lightweight-looking plated hardware rather than vintage Coach construction.",
        "photo 1: tan bag visibly carries CO-LAB branding and a PETA-approved VEGAN tag; Coach does not use this branding.",
        "photo 5: blue bag is visibly stamped SN&FASHION \/ SEN NAI, not COACH.",
        "photo 2: red bag has a generic decorative buckle and zipper design, with no visible Coach wordmark, creed, hangtag, or horse-and-carriage.",
        "photo 3: red bag has a printed synthetic-looking monogram lining and a gold C-like emblem, not a legible Coach identifier.",
        "photo 4: blue bag has generic gold branding and decorative applied stitching, inconsistent with a vintage Coach classic.",
        "photo 1: four modern fast-fashion crossbody bags with retail tags still attached, no glove-tanned leather, no brass turnlock, no Coach silhouette",
        "photo 1, photo 6: tan bag marked COLAB with hangcard reading PETA-APPROVED VEGAN and www.co-lab.ca - synthetic, not Coach",
        "photo 1, photo 4: blue\/tan flap bag foil-stamped SN&FASHION SEN NAI - other brand, magnetic snap closure, decorative whipstitch",
        "photo 2, photo 3: red zip-top bag with gold-tone plated zipper, buckle-strap applique, beige printed synthetic lining with C-like motif but not Coach pairing, magnetic button with C shape - modern lined construction",
        "photo 5: blue bag interior shows black synthetic lining and small coil zip divider, no creed patch, no suede-back leather"
    ],
    "missing_information": [
        "photo 1: individual interior views and sewn-in brand\/care labels for every bag are not provided.",
        "photo 1: bottom, side, zipper-pull, and hardware close-ups for the tan and mauve bags are not provided.",
        "photo 1: no legible Coach creed patch or style-number area is shown on any bag.",
        "No Coach creed or identifier to request; lot already identified by visible modern retail branding",
        "Individual bottom, hardware close-up and flaw photos for each of the 4 bags not shown if buyer wants condition valuation"
    ],
    "authenticity_concerns": [
        "photo 1: visible CO-LAB and VEGAN labeling identifies one bag as a non-Coach vegan product.",
        "photo 5: visible SN&FASHION \/ SEN NAI branding identifies another bag as non-Coach.",
        "photo 3: generic C-like interior motif and emblem should not be treated as Coach branding; no Coach identifiers are visible.",
        "photo 1: the materials, decorative construction, and modern styling of the lot are inconsistent with vintage glove-tanned Coach bags."
    ],
    "possible_model_reasoning": [
        "photo 1: no Coach model is supportable; the silhouettes are generic contemporary crossbody and shoulder bags.",
        "photo 1: the explicit vegan label, visible non-Coach brand names, synthetic materials, and lack of a creed make a vintage Coach identification highly unlikely.",
        "photo 1: condition appears approximately Good to Very Good overall from visible surfaces, with minor creasing and handling marks; interiors and functional condition are incompletely shown.",
        "No Coach model match - lot of 4 modern non-Coach bags: brown saddle with chain trim, tan COLAB zip pouch, red zip crossbody, blue\/tan SN&FASHION flap; none matches City, Willis, Court, Station, Dinky or other catalog dimensions\/closures",
        "Era reasoning: vegan\/PU materials, printed synthetic linings, magnetic snaps, canvas logo straps, retail hangcards indicate 2010s-2020s fast fashion, not vintage glove-tanned era",
        "Condition: appears New\/Like New with tags on COLAB bag (photo 6), others lightly handled; full grading capped by missing bottom\/corner views for each bag"
    ],
    "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: mixed gold-tone and silver-tone plated hardware, chain decoration, buckles, snaps, and lobster-style clips are visible; no Coach-stamped hardware is visible.",
        "leather_description": "photo 1: bags appear to use synthetic or faux-leather materials; the tan CO-LAB bag is explicitly labeled VEGAN.",
        "lining_description": "photo 3: red bag has a light printed synthetic-looking lining with repeating ornamental\/C-like motifs; photo 6: blue bag has a dark synthetic-looking lining.",
        "strap_construction": "photo 1: detachable synthetic straps, a braided tan handle, and a wide printed fabric strap are visible.",
        "stitching_description": "photo 1: decorative contrasting stitching and applied trim are visible, including leaf\/chevron-style stitching on the blue bag; construction appears modern and mass-market."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: lot consists of four contemporary-looking handbags with synthetic or faux-leather surfaces, decorative stitching, and lightweight-looking plated hardware rather than vintage Coach construction.",
                    "photo 1: tan bag visibly carries CO-LAB branding and a PETA-approved VEGAN tag; Coach does not use this branding.",
                    "photo 5: blue bag is visibly stamped SN&FASHION \/ SEN NAI, not COACH.",
                    "photo 2: red bag has a generic decorative buckle and zipper design, with no visible Coach wordmark, creed, hangtag, or horse-and-carriage.",
                    "photo 3: red bag has a printed synthetic-looking monogram lining and a gold C-like emblem, not a legible Coach identifier.",
                    "photo 4: blue bag has generic gold branding and decorative applied stitching, inconsistent with a vintage Coach classic."
                ],
                "missing_information": [
                    "photo 1: individual interior views and sewn-in brand\/care labels for every bag are not provided.",
                    "photo 1: bottom, side, zipper-pull, and hardware close-ups for the tan and mauve bags are not provided.",
                    "photo 1: no legible Coach creed patch or style-number area is shown on any bag."
                ],
                "authenticity_concerns": [
                    "photo 1: visible CO-LAB and VEGAN labeling identifies one bag as a non-Coach vegan product.",
                    "photo 5: visible SN&FASHION \/ SEN NAI branding identifies another bag as non-Coach.",
                    "photo 3: generic C-like interior motif and emblem should not be treated as Coach branding; no Coach identifiers are visible.",
                    "photo 1: the materials, decorative construction, and modern styling of the lot are inconsistent with vintage glove-tanned Coach bags."
                ],
                "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: mixed gold-tone and silver-tone plated hardware, chain decoration, buckles, snaps, and lobster-style clips are visible; no Coach-stamped hardware is visible.",
                    "leather_description": "photo 1: bags appear to use synthetic or faux-leather materials; the tan CO-LAB bag is explicitly labeled VEGAN.",
                    "lining_description": "photo 3: red bag has a light printed synthetic-looking lining with repeating ornamental\/C-like motifs; photo 6: blue bag has a dark synthetic-looking lining.",
                    "strap_construction": "photo 1: detachable synthetic straps, a braided tan handle, and a wide printed fabric strap are visible.",
                    "stitching_description": "photo 1: decorative contrasting stitching and applied trim are visible, including leaf\/chevron-style stitching on the blue bag; construction appears modern and mass-market."
                },
                "possible_model_reasoning": [
                    "photo 1: no Coach model is supportable; the silhouettes are generic contemporary crossbody and shoulder bags.",
                    "photo 1: the explicit vegan label, visible non-Coach brand names, synthetic materials, and lack of a creed make a vintage Coach identification highly unlikely.",
                    "photo 1: condition appears approximately Good to Very Good overall from visible surfaces, with minor creasing and handling marks; interiors and functional condition are incompletely shown."
                ],
                "confidence": 0.92,
                "recommended_max_bid": 10,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed or identifier to request; lot already identified by visible modern retail branding",
                    "Individual bottom, hardware close-up and flaw photos for each of the 4 bags not shown if buyer wants condition valuation"
                ],
                "negative_evidence": [
                    "photo 1: four modern fast-fashion crossbody bags with retail tags still attached, no glove-tanned leather, no brass turnlock, no Coach silhouette",
                    "photo 1, photo 6: tan bag marked COLAB with hangcard reading PETA-APPROVED VEGAN and www.co-lab.ca - synthetic, not Coach",
                    "photo 1, photo 4: blue\/tan flap bag foil-stamped SN&FASHION SEN NAI - other brand, magnetic snap closure, decorative whipstitch",
                    "photo 2, photo 3: red zip-top bag with gold-tone plated zipper, buckle-strap applique, beige printed synthetic lining with C-like motif but not Coach pairing, magnetic button with C shape - modern lined construction",
                    "photo 5: blue bag interior shows black synthetic lining and small coil zip divider, no creed patch, no suede-back leather"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone and silver-tone plated zippers, buckles, magnetic snaps; no solid brass turnlock; no COACH engraving visible",
                    "leather_description": "pebbled-emboss faux \/ vegan PU on all four bags, uniform grain, slight sheen; not glove-tanned cowhide",
                    "lining_description": "photo 3: beige synthetic with brown quatrefoil print in red bag; photo 5: black synthetic in blue bag; others not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching, contrast cream whipstitch decoration on blue\/tan bag; no vintage Coach stitching traits visible",
                    "strap_construction": "photo 1: wide canvas webbing crossbody strap, thin PU crossbody straps, braided PU top handle; no brass dogleash clips, no dowel handle, no buckle-adjust solid leather Coach strap",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model match - lot of 4 modern non-Coach bags: brown saddle with chain trim, tan COLAB zip pouch, red zip crossbody, blue\/tan SN&FASHION flap; none matches City, Willis, Court, Station, Dinky or other catalog dimensions\/closures",
                    "Era reasoning: vegan\/PU materials, printed synthetic linings, magnetic snaps, canvas logo straps, retail hangcards indicate 2010s-2020s fast fashion, not vintage glove-tanned era",
                    "Condition: appears New\/Like New with tags on COLAB bag (photo 6), others lightly handled; full grading capped by missing bottom\/corner views for each bag"
                ],
                "possible_models": [],
                "recommended_max_bid": 20,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33089,
            "output_tokens": 873,
            "total_tokens": 33962,
            "estimated_cost_usd": 0.015331
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35559,
            "output_tokens": 1537,
            "total_tokens": 37096,
            "estimated_cost_usd": 0.008341
        }
    ]
}