Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.035,
    "vintage_probability": 0.335,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.085,
    "confidence": 0.845,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather handbag with brass-tone strap hardware and a rectangular crossbody silhouette.",
        "photo 2: hardware appears metal rather than plastic.",
        "photo 6: interior and zipper construction are visible for review."
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, carriage, creed patch, or Coach hangtag.",
        "photo 2: large decorative interlocking ring hardware does not match the typical elegant vintage Coach turnlock geometry.",
        "photo 5: zipper pull appears silver-tone and has no legible Coach marking.",
        "photo 6: interior is fabric-lined, with no visible Coach creed patch or serial\/style number.",
        "photo 1: the heavily wrinkled, glossy leather and generic construction are more consistent with a non-Coach leather purse.",
        "seller description: seller identifies the bag as Gianni, not Coach; this is weak evidence but consistent with the visible lack of Coach identifiers.",
        "photo 6: black fabric lining with fabric brand label and separate Made-in tag - never unlined glove-tanned suede interior of vintage Coach classics",
        "photo 2: large chunky brass-tone split-rings and strap loops - not Coach solid-brass dogleash\/lobster clips or turnlock geometry",
        "photo 5: silver-tone coil zipper with perforated pull - not Talon solid-brass zipper of NYC\/US era Coach",
        "photo 1-4: small zip-top camera-bag silhouette with piping and thin wrinkled leather - no catalog Coach silhouette, no turnlock, no creed patch visible",
        "photo 6: interior label appears to be non-Coach maker consistent with seller title Gianni"
    ],
    "missing_information": [
        "A straight-on photo of every interior wall and pocket to confirm no hidden creed patch.",
        "Close-up of any interior brand label or fabric tag; the partial tag in photo 6 is not legible.",
        "Clear photos of the front, back, bottom, strap ends, and all hardware markings.",
        "Seller-stated dimensions and any information about the Gianni label or country of manufacture.",
        "photo 6: interior brand label text illegible - need straight-on readable photo of fabric label",
        "photo 6: white country-of-origin tag partially visible - need full text of Made in ... line",
        "photo 5: zipper pull brand stamp needs confirmation"
    ],
    "authenticity_concerns": [
        "No Coach-specific identifier is visible despite adequate interior and exterior coverage.",
        "The fabric lining, silver-tone zipper, and oversized interlocking strap hardware are inconsistent with a typical 1970s\u20131990s Coach classic.",
        "The construction resembles a generic or Gianni leather bag rather than a Coach catalog silhouette."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the large interlocking ring hardware and fixed strap do not correspond clearly to the listed classic Coach models.",
        "The seller's 'Gianni' identification cannot be verified from the small interior tag, but the visible construction supports a non-Coach leather purse.",
        "Condition: Good; leather is heavily creased and worn, the interior needs cleaning per the seller and photo 6, and the zipper pull shows wear; no bottom-corner or odor assessment is possible.",
        "No Coach identifier visible in any of 6 photos: no creed patch, no COACH wordmark, no hangtag, no turnlock",
        "Construction inconsistent with vintage Coach: fabric-lined, mixed-tone hardware, chunky ring attachments, coil zipper vs unlined suede, solid brass, Talon\/YKK brass, turnlock",
        "Interior tags and seller title point to Gianni maker, not Coach; silhouette does not match any catalog style 9790\/9927\/9870\/5130 etc.",
        "Condition: Good; leather creased\/wrinkled, zipper pull wear noted by seller (photo 5), interior lining soiled and needs cleaning (photo 6)"
    ],
    "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 2: large brass-tone interlocking ring hardware and snap-secured strap ends; photo 5: silver-tone zipper pull without a legible brand mark.",
        "leather_description": "photos 1, 3, and 4: black leather or leather-like material with substantial wrinkling, creasing, and glossy wear.",
        "lining_description": "photo 6: black fabric lining with visible dust\/debris and wear; a small interior tag is present but unreadable.",
        "strap_construction": "photos 2 and 4: fixed, apparently non-adjustable strap attached through snap-secured leather tabs and large rings.",
        "stitching_description": "photos 1 and 3: multiple parallel perimeter stitch lines appear generally even, though close-up stress-point stitching is not fully shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.32,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.14,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather handbag with brass-tone strap hardware and a rectangular crossbody silhouette.",
                    "photo 2: hardware appears metal rather than plastic.",
                    "photo 6: interior and zipper construction are visible for review."
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, carriage, creed patch, or Coach hangtag.",
                    "photo 2: large decorative interlocking ring hardware does not match the typical elegant vintage Coach turnlock geometry.",
                    "photo 5: zipper pull appears silver-tone and has no legible Coach marking.",
                    "photo 6: interior is fabric-lined, with no visible Coach creed patch or serial\/style number.",
                    "photo 1: the heavily wrinkled, glossy leather and generic construction are more consistent with a non-Coach leather purse.",
                    "seller description: seller identifies the bag as Gianni, not Coach; this is weak evidence but consistent with the visible lack of Coach identifiers."
                ],
                "missing_information": [
                    "A straight-on photo of every interior wall and pocket to confirm no hidden creed patch.",
                    "Close-up of any interior brand label or fabric tag; the partial tag in photo 6 is not legible.",
                    "Clear photos of the front, back, bottom, strap ends, and all hardware markings.",
                    "Seller-stated dimensions and any information about the Gianni label or country of manufacture."
                ],
                "authenticity_concerns": [
                    "No Coach-specific identifier is visible despite adequate interior and exterior coverage.",
                    "The fabric lining, silver-tone zipper, and oversized interlocking strap hardware are inconsistent with a typical 1970s\u20131990s Coach classic.",
                    "The construction resembles a generic or Gianni leather bag rather than a Coach catalog silhouette."
                ],
                "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 2: large brass-tone interlocking ring hardware and snap-secured strap ends; photo 5: silver-tone zipper pull without a legible brand mark.",
                    "leather_description": "photos 1, 3, and 4: black leather or leather-like material with substantial wrinkling, creasing, and glossy wear.",
                    "lining_description": "photo 6: black fabric lining with visible dust\/debris and wear; a small interior tag is present but unreadable.",
                    "strap_construction": "photos 2 and 4: fixed, apparently non-adjustable strap attached through snap-secured leather tabs and large rings.",
                    "stitching_description": "photos 1 and 3: multiple parallel perimeter stitch lines appear generally even, though close-up stress-point stitching is not fully shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the large interlocking ring hardware and fixed strap do not correspond clearly to the listed classic Coach models.",
                    "The seller's 'Gianni' identification cannot be verified from the small interior tag, but the visible construction supports a non-Coach leather purse.",
                    "Condition: Good; leather is heavily creased and worn, the interior needs cleaning per the seller and photo 6, and the zipper pull shows wear; no bottom-corner or odor assessment is possible."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 6: interior brand label text illegible - need straight-on readable photo of fabric label",
                    "photo 6: white country-of-origin tag partially visible - need full text of Made in ... line",
                    "photo 5: zipper pull brand stamp needs confirmation"
                ],
                "negative_evidence": [
                    "photo 6: black fabric lining with fabric brand label and separate Made-in tag - never unlined glove-tanned suede interior of vintage Coach classics",
                    "photo 2: large chunky brass-tone split-rings and strap loops - not Coach solid-brass dogleash\/lobster clips or turnlock geometry",
                    "photo 5: silver-tone coil zipper with perforated pull - not Talon solid-brass zipper of NYC\/US era Coach",
                    "photo 1-4: small zip-top camera-bag silhouette with piping and thin wrinkled leather - no catalog Coach silhouette, no turnlock, no creed patch visible",
                    "photo 6: interior label appears to be non-Coach maker consistent with seller title Gianni"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone large split rings and circular rings at strap attachments, silver-tone coil zipper pull; mixed tones, lightweight appearance, not solid-brass Coach turnlock or dogleash hardware",
                    "leather_description": "black wrinkled thin-coated leather with heavy creasing and sheen, not smooth matte glove-tanned cowhide",
                    "lining_description": "black fabric lining, soiled, with small dark fabric brand label and small white Made-in tag partially visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible topstitching around zip panel, even but not examined in close-up",
                    "strap_construction": "thin flat non-adjustable crossbody strap attached via metal rings with riveted loops",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos: no creed patch, no COACH wordmark, no hangtag, no turnlock",
                    "Construction inconsistent with vintage Coach: fabric-lined, mixed-tone hardware, chunky ring attachments, coil zipper vs unlined suede, solid brass, Talon\/YKK brass, turnlock",
                    "Interior tags and seller title point to Gianni maker, not Coach; silhouette does not match any catalog style 9790\/9927\/9870\/5130 etc.",
                    "Condition: Good; leather creased\/wrinkled, zipper pull wear noted by seller (photo 5), interior lining soiled and needs cleaning (photo 6)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17748,
            "output_tokens": 940,
            "total_tokens": 18688,
            "estimated_cost_usd": 0.009355
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18082,
            "output_tokens": 1528,
            "total_tokens": 19610,
            "estimated_cost_usd": 0.004839
        }
    ]
}