Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.04,
    "vintage_probability": 0.29,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.77,
    "recommended_max_bid": 11,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather crossbody handbag with a flap and long strap.",
        "photo 1: substantial leather construction and visible age-related surface character.",
        "photo 1,5: leather handbag with aged patina and wear consistent with vintage leather goods"
    ],
    "negative_evidence": [
        "photos 1-7: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
        "photos 1-7: prominent silver-tone stud decoration and a snap-style flap closure do not match the typical classic Coach turnlock construction.",
        "photos 1-7: the overall studded design and heavily textured leather provide no recognizable Coach model match.",
        "photo 1: seller title describes the item as unbranded, which is consistent with a generic leather bag but is only weak evidence.",
        "photo 1,4,5: no brass turnlock; closure is snap under flap per title, not Coach turnlock geometry",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 1,6: all-over silver-tone starburst studs on flap; vintage Coach classics use solid brass turnlocks\/buckles, not decorative silver studs",
        "photo 4: thin unbound side gusset and looped top handles with thin crossbody strap threaded through; not a catalog Coach silhouette (City, Willis, Court, Station, Dinky)",
        "photo 5: plain back with no exterior slip pocket, creed, or hardware stamps"
    ],
    "missing_information": [
        "photo 1: interior is not shown; request a completely emptied interior, including all pockets and seams.",
        "photo 1: no close-up of any interior label, leather patch, or stamp is provided.",
        "photos 1-7: no clear hardware, zipper, bottom, or strap-attachment close-ups.",
        "photos 1-7: seller-stated dimensions and country of manufacture are not provided.",
        "photo of interior wall \/ slip pocket and creed patch straight-on in raking light (photo 2 shows dark interior only)",
        "photo of underside of flap showing snap \/ closure hardware and any stamps",
        "photo of bottom and all four corners",
        "close-up of strap ends, buckle holes and shoulder pad attachment",
        "photo of any interior fabric \/ leather labels or Made-in stamps"
    ],
    "authenticity_concerns": [
        "photos 1-7: absence of any visible Coach identifier combined with a generic studded design makes a Coach attribution unlikely.",
        "photos 1-7: the silver-tone decorative hardware and snap-style closure are inconsistent with the usual solid-brass turnlock appearance of many vintage Coach classics; this is a concern, not proof of a counterfeit."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned: the visible studded flap, snap-style closure, and rectangular crossbody silhouette do not closely match the listed classic Coach catalog styles.",
        "Condition: Good\/Fair boundary; extensive surface scratches, dryness, creasing, and wear are visible in photos 1, 3, 5, 6, and 7; interior condition and odor are unknown.",
        "No Coach model fits: flap + snap + studs + thin strap + loop handles does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classics which all use brass turnlock and unlined glove-tanned construction",
        "No creed, serial, wordmark, hangtag, brass hardware or catalog silhouette to decode era or style",
        "Condition: Good; visible scratches, scuffs, edge darkening and leather wear (photo 1,4,5), strap intact but no bottom\/interior views 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": "photo 1: numerous silver-tone, raised decorative studs on the flap; no Coach-marked hardware is visible. The flap appears to use a snap-style closure rather than a turnlock.",
        "leather_description": "photos 1, 3, 5, 6, and 7: brown, heavily textured leather with pronounced creasing, scratches, dryness, and surface wear.",
        "lining_description": "not_visible; photo 2 shows dark empty side gusset interior only, no lining material or pocket detail",
        "strap_construction": "photos 1-5: long narrow adjustable-looking leather crossbody strap with a padded or wrapped shoulder section; strap wear and creasing are visible.",
        "stitching_description": "photos 1-5: visible perimeter stitching appears generally straight and functional, though close-up stress-point inspection is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0023,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.28,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather crossbody handbag with a flap and long strap.",
                    "photo 1: substantial leather construction and visible age-related surface character."
                ],
                "negative_evidence": [
                    "photos 1-7: no visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
                    "photos 1-7: prominent silver-tone stud decoration and a snap-style flap closure do not match the typical classic Coach turnlock construction.",
                    "photos 1-7: the overall studded design and heavily textured leather provide no recognizable Coach model match.",
                    "photo 1: seller title describes the item as unbranded, which is consistent with a generic leather bag but is only weak evidence."
                ],
                "missing_information": [
                    "photo 1: interior is not shown; request a completely emptied interior, including all pockets and seams.",
                    "photo 1: no close-up of any interior label, leather patch, or stamp is provided.",
                    "photos 1-7: no clear hardware, zipper, bottom, or strap-attachment close-ups.",
                    "photos 1-7: seller-stated dimensions and country of manufacture are not provided."
                ],
                "authenticity_concerns": [
                    "photos 1-7: absence of any visible Coach identifier combined with a generic studded design makes a Coach attribution unlikely.",
                    "photos 1-7: the silver-tone decorative hardware and snap-style closure are inconsistent with the usual solid-brass turnlock appearance of many vintage Coach classics; this is a concern, not proof of a counterfeit."
                ],
                "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: numerous silver-tone, raised decorative studs on the flap; no Coach-marked hardware is visible. The flap appears to use a snap-style closure rather than a turnlock.",
                    "leather_description": "photos 1, 3, 5, 6, and 7: brown, heavily textured leather with pronounced creasing, scratches, dryness, and surface wear.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-5: long narrow adjustable-looking leather crossbody strap with a padded or wrapped shoulder section; strap wear and creasing are visible.",
                    "stitching_description": "photos 1-5: visible perimeter stitching appears generally straight and functional, though close-up stress-point inspection is limited."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned: the visible studded flap, snap-style closure, and rectangular crossbody silhouette do not closely match the listed classic Coach catalog styles.",
                    "Condition: Good\/Fair boundary; extensive surface scratches, dryness, creasing, and wear are visible in photos 1, 3, 5, 6, and 7; interior condition and odor are unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.04,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of interior wall \/ slip pocket and creed patch straight-on in raking light (photo 2 shows dark interior only)",
                    "photo of underside of flap showing snap \/ closure hardware and any stamps",
                    "photo of bottom and all four corners",
                    "close-up of strap ends, buckle holes and shoulder pad attachment",
                    "photo of any interior fabric \/ leather labels or Made-in stamps"
                ],
                "negative_evidence": [
                    "photo 1,4,5: no brass turnlock; closure is snap under flap per title, not Coach turnlock geometry",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 1,6: all-over silver-tone starburst studs on flap; vintage Coach classics use solid brass turnlocks\/buckles, not decorative silver studs",
                    "photo 4: thin unbound side gusset and looped top handles with thin crossbody strap threaded through; not a catalog Coach silhouette (City, Willis, Court, Station, Dinky)",
                    "photo 5: plain back with no exterior slip pocket, creed, or hardware stamps"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone starburst \/ concho studs on flap (photo 1,6); snap closure implied under flap, not seen; no brass turnlock, buckles, D-rings or zipper pulls visible",
                    "leather_description": "medium-brown pebbled \/ distressed leather with grain, scratches, sheen and patina (photo 1,5); looks like genuine leather but not glove-tanned Coach finish",
                    "lining_description": "not_visible; photo 2 shows dark empty side gusset interior only, no lining material or pocket detail",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching visible on flap edge (photo 6); otherwise not close enough to assess thread match or stress points",
                    "strap_construction": "thin flat leather crossbody strap with sliding leather shoulder pad (photo 1); two short loop handles at top sewn to body (photo 4,5)",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,5: leather handbag with aged patina and wear consistent with vintage leather goods"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: flap + snap + studs + thin strap + loop handles does not match City Bag (9790), Willis (9927), Court (9870), Station (5130), Dinky (9375) or other classics which all use brass turnlock and unlined glove-tanned construction",
                    "No creed, serial, wordmark, hangtag, brass hardware or catalog silhouette to decode era or style",
                    "Condition: Good; visible scratches, scuffs, edge darkening and leather wear (photo 1,4,5), strap intact but no bottom\/interior views so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28778,
            "output_tokens": 855,
            "total_tokens": 29633,
            "estimated_cost_usd": 0.013563
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30090,
            "output_tokens": 1391,
            "total_tokens": 31481,
            "estimated_cost_usd": 0.007131
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}