Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.88,
    "recommended_max_bid": 17.5,
    "estimated_resale_low": 20,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather-look crossbody handbag with a zipper-top compartment, front pocket, and detachable strap.",
        "photo 1: material appears textured and leather-like; seller states genuine Italian leather, though this is not independently verifiable from the photos."
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or hangtag.",
        "photo 1: the rectangular gold-tone rotating clasp is a generic modern design, not the rounded vintage Coach turnlock geometry.",
        "photos 1, 2, 4, 5, 6: the bag has a modern structured crossbody silhouette, gold-tone plated hardware, and a fabric-lined\/constructed appearance rather than a documented vintage Coach classic.",
        "photo 2: multiple identical bags are shown in a staged 'new collection' presentation, which supports a modern commercial product rather than a vintage item.",
        "photo 3: the lifestyle image is promotional and does not provide any Coach identification.",
        "photo 2: five identical bags in different colors behind NEW COLLECTION sign indicates new mass-produced retail line, not vintage Coach",
        "photo 1,4,5,6: zip-top pouch with exterior slip pocket closed by small bright rectangular twist-lock unlike vintage Coach turnlock geometry with wide oval back plate",
        "photo 1,4,5,6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible on exterior",
        "photo 1,4,5,6: bright gold-tone plated zipper and clasps, not solid brass vintage hardware with warm patina",
        "photo 1,4,5,6: heavily pebbled modern leather with light contrast stitching, not smooth glove-tanned cowhide with tone-matched stitching",
        "photo 3: detachable crossbody strap with modern lobster clips; no brass dogleash clips, bead-chain hangtag, or dowel handle"
    ],
    "missing_information": [
        "Straight-on interior photo, including all pockets and any brand or creed labels.",
        "Close-up photos of the zipper pull, clasp, strap clips, and any markings on hardware.",
        "Bottom, side, and seam photographs to assess construction and material.",
        "Seller-provided dimensions and confirmation of whether the material is genuine leather or synthetic.",
        "photo of interior lining and any interior leather patch or fabric tags to confirm no creed",
        "photo of hardware engravings \/ zipper-pull brand stamp",
        "photo of bottom and back views"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible despite clear, high-quality product photographs.",
        "The clasp and overall design are generic and inconsistent with the solid-brass, rounded turnlocks used on many vintage Coach classics.",
        "The promotional multi-color product presentation and apparent new condition are inconsistent with a vintage Coach listing."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because no Coach identifier is visible and the clasp, silhouette, and promotional presentation are generic modern features.",
        "Condition appears New or Like New based on photos 1\u20136: no obvious wear, rubbing, or damage is visible, although the interior and odor cannot be assessed.",
        "Silhouette is a modern zip-top cosmetic-pouch style crossbody with front slip pocket; does not match any classic Coach catalog style like Willis (9927), Court (9870), Station (5130), Dinky (9375) in shape, closure, or strap attachment",
        "No Coach hard identifiers visible in any photo; photo 2 new-collection display confirms modern non-Coach retail origin",
        "Condition: New; photo 1,4,5,6 show clean unworn leather, unmarked hardware, no corner wear, consistent with new product photos"
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: bright gold-tone rectangular rotating clasp, gold-tone zipper teeth, strap clips, and rings; no Coach engraving is visible.",
        "leather_description": "photos 1, 4, 5, 6: dark brown-to-black, heavily pebbled leather-like exterior with a relatively uniform finish; genuine leather cannot be confirmed from photographs.",
        "lining_description": "not_visible",
        "strap_construction": "photos 4 and 5: detachable adjustable-looking leather-like shoulder strap with gold-tone snap-ended attachments; an additional shorter strap is shown in photo 5.",
        "stitching_description": "photos 1, 4, 5, 6: generally even contrast stitching around the front pocket and upper zipper seam; construction appears modern and machine-made."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.01,
                "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-look crossbody handbag with a zipper-top compartment, front pocket, and detachable strap.",
                    "photo 1: material appears textured and leather-like; seller states genuine Italian leather, though this is not independently verifiable from the photos."
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or hangtag.",
                    "photo 1: the rectangular gold-tone rotating clasp is a generic modern design, not the rounded vintage Coach turnlock geometry.",
                    "photos 1, 2, 4, 5, 6: the bag has a modern structured crossbody silhouette, gold-tone plated hardware, and a fabric-lined\/constructed appearance rather than a documented vintage Coach classic.",
                    "photo 2: multiple identical bags are shown in a staged 'new collection' presentation, which supports a modern commercial product rather than a vintage item.",
                    "photo 3: the lifestyle image is promotional and does not provide any Coach identification."
                ],
                "missing_information": [
                    "Straight-on interior photo, including all pockets and any brand or creed labels.",
                    "Close-up photos of the zipper pull, clasp, strap clips, and any markings on hardware.",
                    "Bottom, side, and seam photographs to assess construction and material.",
                    "Seller-provided dimensions and confirmation of whether the material is genuine leather or synthetic."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible despite clear, high-quality product photographs.",
                    "The clasp and overall design are generic and inconsistent with the solid-brass, rounded turnlocks used on many vintage Coach classics.",
                    "The promotional multi-color product presentation and apparent new condition are inconsistent with a vintage Coach listing."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "photo 1: bright gold-tone rectangular rotating clasp, gold-tone zipper teeth, strap clips, and rings; no Coach engraving is visible.",
                    "leather_description": "photos 1, 4, 5, 6: dark brown-to-black, heavily pebbled leather-like exterior with a relatively uniform finish; genuine leather cannot be confirmed from photographs.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 4 and 5: detachable adjustable-looking leather-like shoulder strap with gold-tone snap-ended attachments; an additional shorter strap is shown in photo 5.",
                    "stitching_description": "photos 1, 4, 5, 6: generally even contrast stitching around the front pocket and upper zipper seam; construction appears modern and machine-made."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because no Coach identifier is visible and the clasp, silhouette, and promotional presentation are generic modern features.",
                    "Condition appears New or Like New based on photos 1\u20136: no obvious wear, rubbing, or damage is visible, although the interior and odor cannot be assessed."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "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": 40,
                "estimated_resale_low": 20,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and any interior leather patch or fabric tags to confirm no creed",
                    "photo of hardware engravings \/ zipper-pull brand stamp",
                    "photo of bottom and back views"
                ],
                "negative_evidence": [
                    "photo 2: five identical bags in different colors behind NEW COLLECTION sign indicates new mass-produced retail line, not vintage Coach",
                    "photo 1,4,5,6: zip-top pouch with exterior slip pocket closed by small bright rectangular twist-lock unlike vintage Coach turnlock geometry with wide oval back plate",
                    "photo 1,4,5,6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible on exterior",
                    "photo 1,4,5,6: bright gold-tone plated zipper and clasps, not solid brass vintage hardware with warm patina",
                    "photo 1,4,5,6: heavily pebbled modern leather with light contrast stitching, not smooth glove-tanned cowhide with tone-matched stitching",
                    "photo 3: detachable crossbody strap with modern lobster clips; no brass dogleash clips, bead-chain hangtag, or dowel handle"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated top zipper and small rectangular twist-lock on front pocket; gold-tone lobster-clip strap ends and D-rings; modern plated finish, not solid brass vintage",
                    "leather_description": "dark brown pebbled-grain leather with soft sheen, modern milled texture visible in photo 1, 4, 6",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching with light contrast thread along front pocket edge visible in photo 1, 6",
                    "strap_construction": "detachable flat leather crossbody\/shoulder straps with gold-tone lobster clips shown in photo 3, 4, 5",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Silhouette is a modern zip-top cosmetic-pouch style crossbody with front slip pocket; does not match any classic Coach catalog style like Willis (9927), Court (9870), Station (5130), Dinky (9375) in shape, closure, or strap attachment",
                    "No Coach hard identifiers visible in any photo; photo 2 new-collection display confirms modern non-Coach retail origin",
                    "Condition: New; photo 1,4,5,6 show clean unworn leather, unmarked hardware, no corner wear, consistent with new product photos"
                ],
                "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": 26351,
            "output_tokens": 872,
            "total_tokens": 27223,
            "estimated_cost_usd": 0.012633
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27552,
            "output_tokens": 1390,
            "total_tokens": 28942,
            "estimated_cost_usd": 0.006622
        }
    ]
}