Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.04,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.78,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather or leather-like shoulder tote with two long handles.",
        "photo 1: brown color and leather construction could superficially overlap with some Coach tote designs."
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage emblem, creed patch, hangtag, or other Coach identifier.",
        "photos 1-6: highly glossy, heavily finished leather and a generic open-top tote silhouette are not characteristic evidence of vintage glove-tanned Coach classics.",
        "photos 1-6: no recognizable vintage Coach turnlock, dogleash clips, brass fittings, or catalog-specific construction is visible.",
        "listing text: seller identifies it as Unbranded and NWOT; this is weak contextual support for a generic modern bag, not proof of Coach.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-6: high-gloss coated silky material unlike matte glove-tanned cowhide with natural grain",
        "photo 1-6: thin sewn-on double shoulder straps with contrast stitching, not brass dogleash, buckle-adjust or dowel construction",
        "photo 1-6: simple zip-top tote silhouette with center seam, no turnlock, no solid brass hardware",
        "photo 1-6: no unlined suede interior visible, no Talon\/YKK brass zipper or solid brass fittings"
    ],
    "missing_information": [
        "photo 1-6: interior, lining, and any sewn-in brand or creed label are not shown.",
        "photo 1-6: no close-up of zipper pulls, hardware, bottom, or interior pockets.",
        "photo 1-6: material composition is not verifiable from the exterior photos; seller's 'leather' description is unverified.",
        "seller-stated dimensions and a straight-on interior photograph should be requested.",
        "photo of interior lining and pockets emptied - interior not shown in any of photos 1-6",
        "creed patch close-up in raking light - no interior view to check for creed",
        "bottom and corners, back panel detail, and hardware stamps",
        "close-up of zipper pull brand and strap attachments"
    ],
    "authenticity_concerns": [
        "photos 1-6: absence of any visible Coach identifier, combined with a generic glossy tote design, is consistent with an unbranded lookalike rather than Coach.",
        "photos 1-6: the unusually glossy finish is inconsistent with the typical matte-to-satin appearance of vintage glove-tanned Coach leather, although lighting and finishing may affect this impression."
    ],
    "possible_model_reasoning": [
        "The open-top, two-handle tote does not closely match the listed classic vintage Coach models based on the visible exterior; no Coach model is proposed.",
        "Condition: seller states NWOT, but photo-observable condition is limited to exterior views; glossy finish and apparent uncreased structure are visible, while interior, odor, lining, and bottom condition are unknown.",
        "No Coach identifier visible in any exterior view; silhouette is modern zip-top tote with sewn straps, not matching any 1970s-1990s catalog classic like City Bag, Station, Court, Willis, Duffle Sac",
        "Material and construction point to modern fast-fashion tote, not vintage Coach glove-tanned unlined construction with solid brass",
        "Condition: appears Like New\/NWOT exterior with no wear visible in photo 1-6, but interior not shown so lining unknown and 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 1-6: no functional bag hardware is clearly visible; a narrow vertical metallic object appears behind the bag in several photos and may be a display stand or prop.",
        "leather_description": "photo 1-6: brown, very glossy, smooth-looking leather or leather-like material; exact material cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-6: two long, narrow shoulder handles attached by extended stitched tabs; handles appear fixed and non-adjustable.",
        "stitching_description": "photo 1-6: visible straight perimeter and vertical seams, generally even at the photographed exterior; interior and stress-point stitching are not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.06,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather or leather-like shoulder tote with two long handles.",
                    "photo 1: brown color and leather construction could superficially overlap with some Coach tote designs."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage emblem, creed patch, hangtag, or other Coach identifier.",
                    "photos 1-6: highly glossy, heavily finished leather and a generic open-top tote silhouette are not characteristic evidence of vintage glove-tanned Coach classics.",
                    "photos 1-6: no recognizable vintage Coach turnlock, dogleash clips, brass fittings, or catalog-specific construction is visible.",
                    "listing text: seller identifies it as Unbranded and NWOT; this is weak contextual support for a generic modern bag, not proof of Coach."
                ],
                "missing_information": [
                    "photo 1-6: interior, lining, and any sewn-in brand or creed label are not shown.",
                    "photo 1-6: no close-up of zipper pulls, hardware, bottom, or interior pockets.",
                    "photo 1-6: material composition is not verifiable from the exterior photos; seller's 'leather' description is unverified.",
                    "seller-stated dimensions and a straight-on interior photograph should be requested."
                ],
                "authenticity_concerns": [
                    "photos 1-6: absence of any visible Coach identifier, combined with a generic glossy tote design, is consistent with an unbranded lookalike rather than Coach.",
                    "photos 1-6: the unusually glossy finish is inconsistent with the typical matte-to-satin appearance of vintage glove-tanned Coach leather, although lighting and finishing may affect this impression."
                ],
                "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 1-6: no functional bag hardware is clearly visible; a narrow vertical metallic object appears behind the bag in several photos and may be a display stand or prop.",
                    "leather_description": "photo 1-6: brown, very glossy, smooth-looking leather or leather-like material; exact material cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-6: two long, narrow shoulder handles attached by extended stitched tabs; handles appear fixed and non-adjustable.",
                    "stitching_description": "photo 1-6: visible straight perimeter and vertical seams, generally even at the photographed exterior; interior and stress-point stitching are not visible."
                },
                "possible_model_reasoning": [
                    "The open-top, two-handle tote does not closely match the listed classic vintage Coach models based on the visible exterior; no Coach model is proposed.",
                    "Condition: seller states NWOT, but photo-observable condition is limited to exterior views; glossy finish and apparent uncreased structure are visible, while interior, odor, lining, and bottom condition are unknown."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and pockets emptied - interior not shown in any of photos 1-6",
                    "creed patch close-up in raking light - no interior view to check for creed",
                    "bottom and corners, back panel detail, and hardware stamps",
                    "close-up of zipper pull brand and strap attachments"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-6: high-gloss coated silky material unlike matte glove-tanned cowhide with natural grain",
                    "photo 1-6: thin sewn-on double shoulder straps with contrast stitching, not brass dogleash, buckle-adjust or dowel construction",
                    "photo 1-6: simple zip-top tote silhouette with center seam, no turnlock, no solid brass hardware",
                    "photo 1-6: no unlined suede interior visible, no Talon\/YKK brass zipper or solid brass fittings"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible except small gold-tone zipper tip in photo 2, photo 4, photo 5, photo 6; no brass turnlock, buckles, D-rings or stamped pulls visible",
                    "leather_description": "photo 1-6: caramel\/chocolate brown high-gloss smooth coated material described as silky soft, with wrinkled sheen and reflections; not matte full-grain glove-tanned leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: light tan contrast topstitching along top edge and along strap edges and center seam",
                    "strap_construction": "photo 1-6: two long thin non-adjustable shoulder straps sewn directly to tote body front and back",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any exterior view; silhouette is modern zip-top tote with sewn straps, not matching any 1970s-1990s catalog classic like City Bag, Station, Court, Willis, Duffle Sac",
                    "Material and construction point to modern fast-fashion tote, not vintage Coach glove-tanned unlined construction with solid brass",
                    "Condition: appears Like New\/NWOT exterior with no wear visible in photo 1-6, but interior not shown so lining unknown and grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25109,
            "output_tokens": 847,
            "total_tokens": 25956,
            "estimated_cost_usd": 0.012076
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 26060,
            "output_tokens": 1372,
            "total_tokens": 27432,
            "estimated_cost_usd": 0.00631
        }
    ]
}