Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.425,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.715,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.765,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a shoulder handbag with a flap, long strap, and decorative front panel.",
        "photo 1: the bag appears to use suede or suede-like material, a construction that can occur in vintage handbags generally."
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, serial number, or recognizable Coach hardware.",
        "photo 1: bright silver-tone hardware and snap fasteners do not resemble the solid brass hardware commonly associated with classic vintage Coach bags.",
        "photo 1: the red-and-black lattice appliqu\u00e9 is a generic decorative design rather than a recognizable Coach signature pattern.",
        "photo 5: the back is plain and shows no brand stamp or identifier.",
        "photo 1: the overall construction and decorative styling do not closely match the catalog silhouettes of classic vintage Coach bags.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-4: no turnlock; closure is two diamond suede tabs with silver rivets, not Coach turnlock geometry",
        "photo 1,2,5: silver-tone D-rings, snap-hooks and rivets, not vintage Coach solid brass",
        "photo 1-4: black suede with red suede lattice cut-out front panel; no matching Coach catalog silhouette, leather finish or decorative lattice in reference",
        "photo 6: plain black suede back with no exterior pocket or Coach construction cues"
    ],
    "missing_information": [
        "photo 1-6: interior is not shown; request clear photos of the interior, lining, and any sewn-in labels or creed patch.",
        "photo 1-6: request close-ups of all hardware, strap attachments, and any interior or exterior branding.",
        "photo 1-6: bottom, side gussets, and interior condition are not fully documented.",
        "photo of interior \/ lining and any interior patch or label not shown",
        "creed close-up in raking light not shown",
        "hardware stamps \/ Made-in line not shown",
        "bottom \/ corners close-up and dimensions \/ scale not shown"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach identifiers are visible, so the bag is best treated as a generic or lookalike suede handbag rather than an unidentified Coach.",
        "photo 1: silver-tone hardware and decorative lattice construction are inconsistent with the usual construction of many classic vintage Coach styles, though this alone does not prove a replica."
    ],
    "possible_model_reasoning": [
        "No Coach model is a close match: the flap, plain back, silver-tone strap hardware, and red geometric appliqu\u00e9 do not correspond clearly to the listed classic Coach silhouettes.",
        "Condition: Good; visible suede nap\/rub variation and wear are present in photos 1-5, while interior condition and odor are unknown.",
        "no Coach identifier visible in any of 6 photos to decode for model or era",
        "silhouette - soft flap shoulder bag with lattice front and rivet tabs - does not match City Bag (9790), Court (9870), Station (5130), Dinky (9375) or other classic glove-tanned models in closure, hardware or leather",
        "construction - suede body, silver-tone hardware, no brass turnlock, no unlined glove-tanned cowhide - inconsistent with 1975-1990s Coach classics",
        "Condition: Good to Very Good; suede shows light rub wear as seller states (photo 3-4), shape intact, hardware intact, interior and bottom not 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": "photo 1: silver-tone rings, clips, and round snap fasteners; no Coach engraving is visible.",
        "leather_description": "photo 1: black suede or suede-like material with red suede-like inset panels; seller reports light rub-off wear.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: long black shoulder strap attached with silver-tone rings\/clips; strap appears non-adjustable in the visible views.",
        "stitching_description": "photo 1: visible perimeter and appliqu\u00e9 stitching appears generally straight, but fine construction details are limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.45,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a shoulder handbag with a flap, long strap, and decorative front panel.",
                    "photo 1: the bag appears to use suede or suede-like material, a construction that can occur in vintage handbags generally."
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, serial number, or recognizable Coach hardware.",
                    "photo 1: bright silver-tone hardware and snap fasteners do not resemble the solid brass hardware commonly associated with classic vintage Coach bags.",
                    "photo 1: the red-and-black lattice appliqu\u00e9 is a generic decorative design rather than a recognizable Coach signature pattern.",
                    "photo 5: the back is plain and shows no brand stamp or identifier.",
                    "photo 1: the overall construction and decorative styling do not closely match the catalog silhouettes of classic vintage Coach bags."
                ],
                "missing_information": [
                    "photo 1-6: interior is not shown; request clear photos of the interior, lining, and any sewn-in labels or creed patch.",
                    "photo 1-6: request close-ups of all hardware, strap attachments, and any interior or exterior branding.",
                    "photo 1-6: bottom, side gussets, and interior condition are not fully documented."
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach identifiers are visible, so the bag is best treated as a generic or lookalike suede handbag rather than an unidentified Coach.",
                    "photo 1: silver-tone hardware and decorative lattice construction are inconsistent with the usual construction of many classic vintage Coach styles, though this alone does not prove a replica."
                ],
                "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: silver-tone rings, clips, and round snap fasteners; no Coach engraving is visible.",
                    "leather_description": "photo 1: black suede or suede-like material with red suede-like inset panels; seller reports light rub-off wear.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: long black shoulder strap attached with silver-tone rings\/clips; strap appears non-adjustable in the visible views.",
                    "stitching_description": "photo 1: visible perimeter and appliqu\u00e9 stitching appears generally straight, but fine construction details are limited."
                },
                "possible_model_reasoning": [
                    "No Coach model is a close match: the flap, plain back, silver-tone strap hardware, and red geometric appliqu\u00e9 do not correspond clearly to the listed classic Coach silhouettes.",
                    "Condition: Good; visible suede nap\/rub variation and wear are present in photos 1-5, while interior condition and odor are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior \/ lining and any interior patch or label not shown",
                    "creed close-up in raking light not shown",
                    "hardware stamps \/ Made-in line not shown",
                    "bottom \/ corners close-up and dimensions \/ scale not shown"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-4: no turnlock; closure is two diamond suede tabs with silver rivets, not Coach turnlock geometry",
                    "photo 1,2,5: silver-tone D-rings, snap-hooks and rivets, not vintage Coach solid brass",
                    "photo 1-4: black suede with red suede lattice cut-out front panel; no matching Coach catalog silhouette, leather finish or decorative lattice in reference",
                    "photo 6: plain black suede back with no exterior pocket or Coach construction cues"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone D-rings, snap-hook strap clips and dome rivets on flap tabs; lightweight plated appearance, not solid brass",
                    "leather_description": "black suede body with red \/ burgundy suede underlay showing through black lattice cut-outs on front; napped suede texture visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible straight stitching around flap edge and front panel in dark thread; no tight matched glove-tanned stitching detail visible",
                    "strap_construction": "narrow black suede shoulder strap attached with silver-tone D-rings and snap-hooks, riveted ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "no Coach identifier visible in any of 6 photos to decode for model or era",
                    "silhouette - soft flap shoulder bag with lattice front and rivet tabs - does not match City Bag (9790), Court (9870), Station (5130), Dinky (9375) or other classic glove-tanned models in closure, hardware or leather",
                    "construction - suede body, silver-tone hardware, no brass turnlock, no unlined glove-tanned cowhide - inconsistent with 1975-1990s Coach classics",
                    "Condition: Good to Very Good; suede shows light rub wear as seller states (photo 3-4), shape intact, hardware intact, interior and bottom not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17716,
            "output_tokens": 716,
            "total_tokens": 18432,
            "estimated_cost_usd": 0.008805
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18054,
            "output_tokens": 1220,
            "total_tokens": 19274,
            "estimated_cost_usd": 0.004587
        }
    ]
}