Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.86,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag has a generic small shoulder-bag silhouette with no visible Coach logo, carriage, creed, or hangtag",
        "photo 1: bright silver-tone hardware and contrasting white stitching are inconsistent with the typical solid-brass construction of many vintage Coach classics",
        "photo 1: the pebbled, uniformly finished material appears synthetic and matches the seller's stated faux-leather description",
        "photo 1: the zipper and strap attachments do not show recognizable Coach-specific branding or construction cues",
        "photo 6: the bottom shows generic synthetic-looking material and construction rather than identifiable Coach glove-tanned leather",
        "photo 1, photo 2: black pebbled faux-leather-look material with sheen, consistent with seller title 'Faux Leather', not matte glove-tanned cowhide",
        "photo 3, photo 4, photo 6: silver\/nickel-tone square buckle and eyelet strap hardware, not vintage solid brass",
        "photo 1, photo 2: zip-top hobo silhouette with center seam and contrast white stitching, no turnlock flap, no classic Coach silhouette details",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1-5: no solid-brass turnlock, dogleash clips, bead-chain hangtag, or unlined suede interior visible"
    ],
    "missing_information": [
        "photo 1: interior is not shown; request clear photos of the entire interior, lining, pockets, and any sewn-in labels",
        "photo 1: no creed patch or style-number area is shown; request close-ups of all interior walls and pocket seams",
        "photo 1: zipper pull and hardware markings are not shown in close-up",
        "seller-stated dimensions and material composition are not independently verifiable from the photos",
        "photo of emptied interior and lining to confirm material and check for any labels",
        "creed patch \/ interior brand stamp close-up not shown",
        "hardware engravings \/ zipper brand not shown",
        "seller-stated dimensions and scale reference not provided"
    ],
    "authenticity_concerns": [
        "photo 1: the apparent faux\/synthetic material, bright silver-tone hardware, and generic construction are lookalike\/non-Coach indicators",
        "photo 1: no Coach identifier is visible despite multiple exterior views"
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a generic small zip-top shoulder bag and does not closely establish a recognizable Coach catalog model",
        "photo 1: no visible Coach identifier, classic turnlock, glove-tanned leather, or vintage-era hardware; estimated as modern\/non-Coach",
        "photo 1: condition appears Good to Very Good externally, with visible creasing and shape deformation but no clearly visible tears; interior condition is unknown",
        "No Coach identifier visible in any photo: no creed, serial, wordmark, carriage, or hangtag",
        "Materials and hardware inconsistent with vintage Coach: faux leather plus nickel-tone hardware vs glove-tanned cowhide plus solid brass",
        "Silhouette is generic 2000s zip-top hobo with contrast stitching, not matching a catalog Coach classic turnlock style",
        "Condition: Very Good; exterior shows light softening and no major corner wear in photo 5, but interior not shown so lining and odor unknown, capping grade"
    ],
    "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: bright silver-tone rectangular strap buckles and attachment hardware; no Coach engraving is visible",
        "leather_description": "photo 1: black pebbled, smooth-looking material with a uniform synthetic appearance; seller describes it as faux leather",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: single adjustable shoulder strap with contrasting white edge stitching and rectangular buckle adjustment",
        "stitching_description": "photo 1: visible, regular contrasting white machine stitching around the body, strap, and seams"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag has a generic small shoulder-bag silhouette with no visible Coach logo, carriage, creed, or hangtag",
                    "photo 1: bright silver-tone hardware and contrasting white stitching are inconsistent with the typical solid-brass construction of many vintage Coach classics",
                    "photo 1: the pebbled, uniformly finished material appears synthetic and matches the seller's stated faux-leather description",
                    "photo 1: the zipper and strap attachments do not show recognizable Coach-specific branding or construction cues",
                    "photo 6: the bottom shows generic synthetic-looking material and construction rather than identifiable Coach glove-tanned leather"
                ],
                "missing_information": [
                    "photo 1: interior is not shown; request clear photos of the entire interior, lining, pockets, and any sewn-in labels",
                    "photo 1: no creed patch or style-number area is shown; request close-ups of all interior walls and pocket seams",
                    "photo 1: zipper pull and hardware markings are not shown in close-up",
                    "seller-stated dimensions and material composition are not independently verifiable from the photos"
                ],
                "authenticity_concerns": [
                    "photo 1: the apparent faux\/synthetic material, bright silver-tone hardware, and generic construction are lookalike\/non-Coach indicators",
                    "photo 1: no Coach identifier is visible despite multiple exterior views"
                ],
                "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: bright silver-tone rectangular strap buckles and attachment hardware; no Coach engraving is visible",
                    "leather_description": "photo 1: black pebbled, smooth-looking material with a uniform synthetic appearance; seller describes it as faux leather",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: single adjustable shoulder strap with contrasting white edge stitching and rectangular buckle adjustment",
                    "stitching_description": "photo 1: visible, regular contrasting white machine stitching around the body, strap, and seams"
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a generic small zip-top shoulder bag and does not closely establish a recognizable Coach catalog model",
                    "photo 1: no visible Coach identifier, classic turnlock, glove-tanned leather, or vintage-era hardware; estimated as modern\/non-Coach",
                    "photo 1: condition appears Good to Very Good externally, with visible creasing and shape deformation but no clearly visible tears; interior condition is unknown"
                ],
                "confidence": 0.87,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of emptied interior and lining to confirm material and check for any labels",
                    "creed patch \/ interior brand stamp close-up not shown",
                    "hardware engravings \/ zipper brand not shown",
                    "seller-stated dimensions and scale reference not provided"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: black pebbled faux-leather-look material with sheen, consistent with seller title 'Faux Leather', not matte glove-tanned cowhide",
                    "photo 3, photo 4, photo 6: silver\/nickel-tone square buckle and eyelet strap hardware, not vintage solid brass",
                    "photo 1, photo 2: zip-top hobo silhouette with center seam and contrast white stitching, no turnlock flap, no classic Coach silhouette details",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1-5: no solid-brass turnlock, dogleash clips, bead-chain hangtag, or unlined suede interior visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver\/nickel-tone square buckle-adjustable strap hardware and eyelets; zip-top closure; no turnlock; no COACH stamping visible",
                    "leather_description": "black pebbled faux-leather-look material with slight sheen, consistent with seller-stated faux leather; not glove-tanned leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast white\/off-white topstitching along center seam, top edge, strap edges and bottom panel; even but contrasting, not tone-matched Coach classic stitching",
                    "strap_construction": "single narrow shoulder strap attached at bag ends, buckle-adjustable with eyelets; no detachable dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo: no creed, serial, wordmark, carriage, or hangtag",
                    "Materials and hardware inconsistent with vintage Coach: faux leather plus nickel-tone hardware vs glove-tanned cowhide plus solid brass",
                    "Silhouette is generic 2000s zip-top hobo with contrast stitching, not matching a catalog Coach classic turnlock style",
                    "Condition: Very Good; exterior shows light softening and no major corner wear in photo 5, but interior not shown so lining and odor unknown, capping grade"
                ],
                "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": 28770,
            "output_tokens": 729,
            "total_tokens": 29499,
            "estimated_cost_usd": 0.013258
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30083,
            "output_tokens": 1370,
            "total_tokens": 31453,
            "estimated_cost_usd": 0.007113
        }
    ]
}