Vintage Coach Hunter

{
    "is_handbag_probability": 0.96,
    "coach_probability": 0.035,
    "vintage_probability": 0.31,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.745,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 5: leather flap has an indistinct embossed oval-like mark, but no legible COACH wordmark or recognizable Coach carriage is visible",
        "photo 1: item is a leather crossbody\/backpack-style bag with adjustable strap construction",
        "photo 1-3,6: genuine leather sling bag, the population where misidentified bags hide, but no specific Coach cue"
    ],
    "negative_evidence": [
        "photo 5: the embossed mark is not a visible Coach identifier and appears generic or illegible",
        "photos 1 and 3: multiple black zipper tracks and dark\/plated-looking hardware do not strongly match classic vintage Coach brass construction",
        "photos 1, 3, 5, 6: silhouette is a compact sling backpack rather than a clearly recognizable catalog Coach handbag",
        "photo 4: interior appears dark and fabric-lined, with no visible Coach creed patch or fabric brand tag",
        "photos 1-6: no leather Coach hangtag, creed, serial\/style number, or clear wordmark is visible",
        "photo 1,3,6: sling\/backpack silhouette with front zip pocket and top zip, no catalog Coach classic silhouette match",
        "photo 5,6: circular embossed brand logo on flap that is not COACH wordmark or horse-and-carriage",
        "photo 1,3,4: dark-tone \/ gunmetal zipper hardware, not vintage Coach solid brass",
        "photo 4: no creed patch visible on interior wall in interior view",
        "photo 1-6: no turnlock, no leather hangtag, no COACH wordmark visible"
    ],
    "missing_information": [
        "Straight-on close-up of the embossed mark on the flap",
        "Interior back wall and all pockets photographed clearly for a creed or brand label",
        "Close-ups of zipper pulls, strap hardware, and stitching",
        "Seller-stated country of manufacture or any interior\/fabric tags",
        "photo of embossed circular logo on front flap straight-on in raking light to identify maker (photo 5)",
        "interior emptied showing full lining and any interior labels or patches",
        "zipper pull brand stamp close-up",
        "bottom corners close-up for wear assessment"
    ],
    "authenticity_concerns": [
        "The visible embossed branding is too indistinct to support Coach attribution and the construction is consistent with a generic leather sling backpack.",
        "No Coach creed, serial\/style number, hangtag, or legible wordmark is visible in the provided photos."
    ],
    "possible_model_reasoning": [
        "The compact triangular sling\/backpack silhouette and front zip pocket do not closely match the listed classic Coach handbag models.",
        "The seller-stated dimensions are approximately 12 \u00d7 7 \u00d7 3 inches, but dimensions alone do not identify a Coach style.",
        "Condition: Good\/Fair; extensive creasing, scratches, glossy wear, and edge wear are visible, while odor, mold, and full structural function cannot be assessed from photos.",
        "No Coach identifier visible in any photo: no creed, no COACH wordmark, no turnlock, no hangtag, no brass hardware. Embossed non-Coach logo on flap (photo 5) points away from Coach. Sling backpack form with front D-pocket zip does not match 1970s-1990s Coach classics or Daypack 9791. Condition: Good to Very Good; surface scuffs and grain wear visible (photo 6), bottom intact (photo 2), interior not fully shown so 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": "Dark zipper hardware and small metal strap fittings are visible; no turnlock or legible branded hardware is shown.",
        "leather_description": "Black smooth-to-slightly textured leather with a glossy finish, substantial creasing, surface scratches, and edge wear visible in photos 1-6.",
        "lining_description": "Dark fabric-like lining is visible in photo 4; its material and any labels are not readable.",
        "strap_construction": "Single adjustable leather strap arrangement for crossbody or shoulder wear, with visible wear and creasing; detailed adjustment hardware is not clearly shown.",
        "stitching_description": "Visible perimeter and panel stitching is generally straight, though close-up quality is insufficient to assess consistency throughout."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0013,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.97,
                "coach_probability": 0.04,
                "vintage_probability": 0.32,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 5: leather flap has an indistinct embossed oval-like mark, but no legible COACH wordmark or recognizable Coach carriage is visible",
                    "photo 1: item is a leather crossbody\/backpack-style bag with adjustable strap construction"
                ],
                "negative_evidence": [
                    "photo 5: the embossed mark is not a visible Coach identifier and appears generic or illegible",
                    "photos 1 and 3: multiple black zipper tracks and dark\/plated-looking hardware do not strongly match classic vintage Coach brass construction",
                    "photos 1, 3, 5, 6: silhouette is a compact sling backpack rather than a clearly recognizable catalog Coach handbag",
                    "photo 4: interior appears dark and fabric-lined, with no visible Coach creed patch or fabric brand tag",
                    "photos 1-6: no leather Coach hangtag, creed, serial\/style number, or clear wordmark is visible"
                ],
                "missing_information": [
                    "Straight-on close-up of the embossed mark on the flap",
                    "Interior back wall and all pockets photographed clearly for a creed or brand label",
                    "Close-ups of zipper pulls, strap hardware, and stitching",
                    "Seller-stated country of manufacture or any interior\/fabric tags"
                ],
                "authenticity_concerns": [
                    "The visible embossed branding is too indistinct to support Coach attribution and the construction is consistent with a generic leather sling backpack.",
                    "No Coach creed, serial\/style number, hangtag, or legible wordmark is visible in the provided photos."
                ],
                "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": "Dark zipper hardware and small metal strap fittings are visible; no turnlock or legible branded hardware is shown.",
                    "leather_description": "Black smooth-to-slightly textured leather with a glossy finish, substantial creasing, surface scratches, and edge wear visible in photos 1-6.",
                    "lining_description": "Dark fabric-like lining is visible in photo 4; its material and any labels are not readable.",
                    "strap_construction": "Single adjustable leather strap arrangement for crossbody or shoulder wear, with visible wear and creasing; detailed adjustment hardware is not clearly shown.",
                    "stitching_description": "Visible perimeter and panel stitching is generally straight, though close-up quality is insufficient to assess consistency throughout."
                },
                "possible_model_reasoning": [
                    "The compact triangular sling\/backpack silhouette and front zip pocket do not closely match the listed classic Coach handbag models.",
                    "The seller-stated dimensions are approximately 12 \u00d7 7 \u00d7 3 inches, but dimensions alone do not identify a Coach style.",
                    "Condition: Good\/Fair; extensive creasing, scratches, glossy wear, and edge wear are visible, while odor, mold, and full structural function cannot be assessed from photos."
                ],
                "confidence": 0.77,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of embossed circular logo on front flap straight-on in raking light to identify maker (photo 5)",
                    "interior emptied showing full lining and any interior labels or patches",
                    "zipper pull brand stamp close-up",
                    "bottom corners close-up for wear assessment"
                ],
                "negative_evidence": [
                    "photo 1,3,6: sling\/backpack silhouette with front zip pocket and top zip, no catalog Coach classic silhouette match",
                    "photo 5,6: circular embossed brand logo on flap that is not COACH wordmark or horse-and-carriage",
                    "photo 1,3,4: dark-tone \/ gunmetal zipper hardware, not vintage Coach solid brass",
                    "photo 4: no creed patch visible on interior wall in interior view",
                    "photo 1-6: no turnlock, no leather hangtag, no COACH wordmark visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal-tone zippers with plain rectangular pulls; no brass turnlock, buckles or dogleash clips visible",
                    "leather_description": "black smooth leather with crinkled \/ worn grain and sheen, surface scuffs",
                    "lining_description": "dark interior, appears unlined suede-back in photo 4 but shadowed and partly obscured; not_visible for definitive lining type",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast-tone topstitching along flap edge and strap edges, even but not Coach-matched thread read",
                    "strap_construction": "single wide adjustable crossbody \/ sling strap with buckle adjustment, sewn fixed attachment",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-3,6: genuine leather sling bag, the population where misidentified bags hide, but no specific Coach cue"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo: no creed, no COACH wordmark, no turnlock, no hangtag, no brass hardware. Embossed non-Coach logo on flap (photo 5) points away from Coach. Sling backpack form with front D-pocket zip does not match 1970s-1990s Coach classics or Daypack 9791. Condition: Good to Very Good; surface scuffs and grain wear visible (photo 6), bottom intact (photo 2), interior not fully shown so capped."
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18118,
            "output_tokens": 827,
            "total_tokens": 18945,
            "estimated_cost_usd": 0.009232
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18670,
            "output_tokens": 1153,
            "total_tokens": 19823,
            "estimated_cost_usd": 0.004656
        }
    ]
}