Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.64,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.83,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: clearly a small crossbody handbag with a flap, shoulder strap, and gold-tone chain.",
        "photo 2: the front clasp appears decorative and vaguely interlocking, but it is not a legible COACH wordmark or horse-and-carriage.",
        "photo 4: the interior appears to have a fabric\/synthetic lining and a zippered pocket."
    ],
    "negative_evidence": [
        "photo 2: quilted glossy black construction, chain strap, and magnetic snap closure are not characteristic evidence of a vintage Coach glove-tanned leather classic.",
        "photo 2: the central clasp is not a Coach vintage turnlock; it appears to be a generic interlocking decorative motif.",
        "photo 4: the visible lining and pocket construction look modern and synthetic rather than an unlined vintage Coach interior.",
        "photos 1-7: no legible Coach wordmark, creed, style number, country line, or Coach hangtag is visible.",
        "photo 5: the back is plain and does not show a Coach identifier.",
        "photo 1: chevron-quilted shiny smooth material with high sheen, not matte glove-tanned cowhide",
        "photo 1, 2: magnetic snap closure, no turnlock with Coach geometry",
        "photo 2: interlocked double-oval logo hardware on flap, not COACH wordmark or horse-and-carriage",
        "photo 3, 5: black synthetic woven fabric lining throughout, not unlined suede-back glove-tanned",
        "photo 2, 4, 6: bright gold-tone plated chain and rings, not solid brass vintage hardware",
        "photo 1-6: no creed patch, no COACH wordmark, no leather hangtag visible"
    ],
    "missing_information": [
        "A straight-on close-up of every interior wall and pocket seam to confirm whether any brand label or creed patch is present.",
        "Close-ups of the clasp, chain attachments, zipper pull, and strap hardware.",
        "A clear bottom, side, and stitching view.",
        "Seller-stated material composition and dimensions.",
        "photo 3: white fabric content tag illegible - need straight-on readable photo",
        "photo 4-6: bottom and corners not shown",
        "seller-stated dimensions and material not provided"
    ],
    "authenticity_concerns": [
        "The glossy quilted body, decorative interlocking clasp, chain strap, and synthetic-looking lining are consistent with a generic modern fashion bag rather than Coach.",
        "No Coach identifiers are visible; silhouette and a C-like clasp alone are insufficient brand evidence.",
        "photo 1-6: modern chevron-quilted magnetic-snap bag with bright plated chain and synthetic lining is inconsistent with vintage Coach glove-tanned brass-turnlock construction"
    ],
    "possible_model_reasoning": [
        "No Coach model is a persuasive match: the quilted flap, decorative interlocking clasp, and chain strap are generic modern crossbody features, not the classic Coach turnlock-and-leather-hangtag construction.",
        "Era reasoning: the chain hardware, magnetic closures, quilted synthetic-looking body, and fabric lining suggest a modern 2000s+ non-Coach bag.",
        "Condition: approximately Very Good from the visible exterior; the bag appears intact, but flash glare, limited bottom detail, and incomplete interior views prevent a fuller grade.",
        "No Coach silhouette, hardware, leather, lining or identifier matches any catalog style; quilted magnetic flap with chain is modern fast-fashion, not a Classic, Willis (9927), Court (9870), Dinky (9375) or other Coach",
        "Condition: Very Good to Good; surface appears intact with no major corner wear shown (photos 2, 4), but bottom, strap fold and odor\/mold unknown due to glare and limited views"
    ],
    "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": "Gold-tone decorative interlocking clasp, magnetic snap closures, chain-and-leather strap attachments, and gold-tone chain visible in photos 1-7; no Coach engraving is visible.",
        "leather_description": "Black glossy quilted material; photographs do not establish genuine leather and the surface appears synthetic or heavily finished.",
        "lining_description": "Black fabric\/synthetic-looking lining with an interior zippered pocket visible in photos 4 and 7; no brand label or creed visible.",
        "strap_construction": "Detachable-looking black flat strap combined with a gold-tone chain section; attachment hardware visible in photos 2 and 6.",
        "stitching_description": "Visible diagonal quilt stitching and perimeter stitching appear generally even; close detail is limited and no Coach-specific construction is apparent."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: clearly a small crossbody handbag with a flap, shoulder strap, and gold-tone chain.",
                    "photo 2: the front clasp appears decorative and vaguely interlocking, but it is not a legible COACH wordmark or horse-and-carriage.",
                    "photo 4: the interior appears to have a fabric\/synthetic lining and a zippered pocket."
                ],
                "negative_evidence": [
                    "photo 2: quilted glossy black construction, chain strap, and magnetic snap closure are not characteristic evidence of a vintage Coach glove-tanned leather classic.",
                    "photo 2: the central clasp is not a Coach vintage turnlock; it appears to be a generic interlocking decorative motif.",
                    "photo 4: the visible lining and pocket construction look modern and synthetic rather than an unlined vintage Coach interior.",
                    "photos 1-7: no legible Coach wordmark, creed, style number, country line, or Coach hangtag is visible.",
                    "photo 5: the back is plain and does not show a Coach identifier."
                ],
                "missing_information": [
                    "A straight-on close-up of every interior wall and pocket seam to confirm whether any brand label or creed patch is present.",
                    "Close-ups of the clasp, chain attachments, zipper pull, and strap hardware.",
                    "A clear bottom, side, and stitching view.",
                    "Seller-stated material composition and dimensions."
                ],
                "authenticity_concerns": [
                    "The glossy quilted body, decorative interlocking clasp, chain strap, and synthetic-looking lining are consistent with a generic modern fashion bag rather than Coach.",
                    "No Coach identifiers are visible; silhouette and a C-like clasp alone are insufficient brand evidence."
                ],
                "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": "Gold-tone decorative interlocking clasp, magnetic snap closures, chain-and-leather strap attachments, and gold-tone chain visible in photos 1-7; no Coach engraving is visible.",
                    "leather_description": "Black glossy quilted material; photographs do not establish genuine leather and the surface appears synthetic or heavily finished.",
                    "lining_description": "Black fabric\/synthetic-looking lining with an interior zippered pocket visible in photos 4 and 7; no brand label or creed visible.",
                    "strap_construction": "Detachable-looking black flat strap combined with a gold-tone chain section; attachment hardware visible in photos 2 and 6.",
                    "stitching_description": "Visible diagonal quilt stitching and perimeter stitching appear generally even; close detail is limited and no Coach-specific construction is apparent."
                },
                "possible_model_reasoning": [
                    "No Coach model is a persuasive match: the quilted flap, decorative interlocking clasp, and chain strap are generic modern crossbody features, not the classic Coach turnlock-and-leather-hangtag construction.",
                    "Era reasoning: the chain hardware, magnetic closures, quilted synthetic-looking body, and fabric lining suggest a modern 2000s+ non-Coach bag.",
                    "Condition: approximately Very Good from the visible exterior; the bag appears intact, but flash glare, limited bottom detail, and incomplete interior views prevent a fuller grade."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: modern chevron-quilted magnetic-snap bag with bright plated chain and synthetic lining is inconsistent with vintage Coach glove-tanned brass-turnlock construction"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 3: white fabric content tag illegible - need straight-on readable photo",
                    "photo 4-6: bottom and corners not shown",
                    "seller-stated dimensions and material not provided"
                ],
                "negative_evidence": [
                    "photo 1: chevron-quilted shiny smooth material with high sheen, not matte glove-tanned cowhide",
                    "photo 1, 2: magnetic snap closure, no turnlock with Coach geometry",
                    "photo 2: interlocked double-oval logo hardware on flap, not COACH wordmark or horse-and-carriage",
                    "photo 3, 5: black synthetic woven fabric lining throughout, not unlined suede-back glove-tanned",
                    "photo 2, 4, 6: bright gold-tone plated chain and rings, not solid brass vintage hardware",
                    "photo 1-6: no creed patch, no COACH wordmark, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated magnetic snap pair and chunky curb chain with O-rings; thin faux-leather shoulder strap with buckle; no engraved COACH visible",
                    "leather_description": "black smooth high-sheen quilted material with chevron stitching, appears synthetic \/ faux leather, not full-grain glove-tanned",
                    "lining_description": "black synthetic woven fabric lining with interior zip pocket; no suede back visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even diagonal chevron quilting stitches plus perimeter stitching; no matched-thread vintage Coach stitching observed",
                    "strap_construction": "detachable combination gold-tone chain plus narrow faux-leather shoulder strap attached via O-rings",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette, hardware, leather, lining or identifier matches any catalog style; quilted magnetic flap with chain is modern fast-fashion, not a Classic, Willis (9927), Court (9870), Dinky (9375) or other Coach",
                    "Condition: Very Good to Good; surface appears intact with no major corner wear shown (photos 2, 4), but bottom, strap fold and odor\/mold unknown due to glare and limited views"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28777,
            "output_tokens": 839,
            "total_tokens": 29616,
            "estimated_cost_usd": 0.013524
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30092,
            "output_tokens": 1548,
            "total_tokens": 31640,
            "estimated_cost_usd": 0.007257
        }
    ]
}