Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.04,
    "vintage_probability": 0.29,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.815,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather crossbody handbag with a flap, structured body, and substantial stitched construction",
        "photo 2: leather appears worn and possibly full-grain, with natural creasing",
        "photo 1: leather flap crossbody saddle silhouette broadly similar in size to vintage shoulder bags (seller states 12x8.5x3 in)"
    ],
    "negative_evidence": [
        "photo 1: ornate Western floral cutout tooling and contrasting white stitching are not characteristic of the documented vintage Coach classic silhouettes",
        "photos 1, 3, 4, 5, and 6: no visible Coach wordmark, horse-and-carriage, creed patch, or Coach hangtag",
        "photos 1, 3, 4, 5, and 6: buckle closure and side rings are visible, but no recognizable Coach turnlock is shown",
        "photos 2, 3, 4, 5, and 6: visible edge construction, brown exposed trim, and contrast stitching suggest a generic Western leather maker rather than typical Coach construction",
        "listing text: seller describes the item as no-brand Western style; this is weak context only and does not establish manufacture",
        "photo 1: large cut-out filigree tooled Western floral flap with openwork - never a Coach classic treatment",
        "photo 1, photo 2: white contrast stitching around flap and body - vintage Coach uses tone-matched stitching",
        "photo 3, photo 6: buckle-strap closure with silver-tone buckle - no brass turnlock with Coach geometry",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 4, photo 5: silver-tone D-rings and rivets - vintage Coach classics use solid brass throughout",
        "photo 2: plain back with no exterior slip pocket \/ turnlock keeper typical of City Bag \/ Court \/ Station types"
    ],
    "missing_information": [
        "photo 1-6: interior is not shown, so a creed patch, brand label, lining, and any serial\/style tag cannot be assessed",
        "photo 1-6: close-ups of all hardware stamps, zipper or closure hardware, and strap attachments are needed",
        "photo 1-6: bottom and interior corners are not fully shown",
        "photo 1-6: seller-stated dimensions are available, but no ruler or scale photo verifies them",
        "photo of emptied interior and interior back wall \/ pocket where Coach creed would sit",
        "straight-on creed \/ maker-mark close-up in raking light if any stamp exists",
        "hardware stamps \/ zipper brand and hangtag both faces if present",
        "bottom corners close-up and strap fold \/ buckle holes for condition"
    ],
    "authenticity_concerns": [
        "photos 1-6: no Coach identifier is visible, and the Western tooling and construction do not match a recognizable documented Coach model",
        "photos 1-6: the visible buckle and decorative tooling are consistent with a generic Western leather bag or lookalike, not evidence of Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned: the flap, buckle, Western tooling, and contrast stitching do not closely match the listed City Bag, Willis, Court, Station, Stewardess, or other classic Coach silhouettes.",
        "The seller's stated 12 x 8.5 x 3 inch dimensions are compatible with a small crossbody but are not a Coach identifier.",
        "Condition: Good; visible creasing, edge wear, rubbed brown trim, and general surface wear are present in photos 1-6. Interior condition and odor are unknown.",
        "No Coach catalog match: cut-out Western filigree, contrast stitching, buckle closure and silver hardware are inconsistent with any 1970s-1990s glove-tanned classic (City 9790, Court 9870, Station 5130, Dinky 9375, etc.)",
        "No hard identifiers: no creed, serial, wordmark, turnlock or hangtag visible in 6 exterior views",
        "Condition: Very Good exterior - leather intact with light wear, edges browned, stitching intact (photos 1-3); interior and bottom not shown so capped, lining unknown"
    ],
    "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": "photos 1, 3, 4, 5, and 6: central metal buckle closure and metal strap rings\/snap hardware are visible; no Coach engraving is legible",
        "leather_description": "photos 1-6: dark black or charcoal leather with pronounced creasing, worn edges, brown exposed edge areas, and ornate Western floral cutout\/tooling on the flap",
        "lining_description": "not_visible - interior never shown",
        "strap_construction": "photos 4 and 5: adjustable leather crossbody strap attached with metal rings and riveted or snapped leather tabs",
        "stitching_description": "photos 1-6: prominent contrasting white stitching follows the outer edges; stitching appears generally even but is visibly decorative"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0009,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.28,
                "authenticity_confidence": 0.04,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather crossbody handbag with a flap, structured body, and substantial stitched construction",
                    "photo 2: leather appears worn and possibly full-grain, with natural creasing"
                ],
                "negative_evidence": [
                    "photo 1: ornate Western floral cutout tooling and contrasting white stitching are not characteristic of the documented vintage Coach classic silhouettes",
                    "photos 1, 3, 4, 5, and 6: no visible Coach wordmark, horse-and-carriage, creed patch, or Coach hangtag",
                    "photos 1, 3, 4, 5, and 6: buckle closure and side rings are visible, but no recognizable Coach turnlock is shown",
                    "photos 2, 3, 4, 5, and 6: visible edge construction, brown exposed trim, and contrast stitching suggest a generic Western leather maker rather than typical Coach construction",
                    "listing text: seller describes the item as no-brand Western style; this is weak context only and does not establish manufacture"
                ],
                "missing_information": [
                    "photo 1-6: interior is not shown, so a creed patch, brand label, lining, and any serial\/style tag cannot be assessed",
                    "photo 1-6: close-ups of all hardware stamps, zipper or closure hardware, and strap attachments are needed",
                    "photo 1-6: bottom and interior corners are not fully shown",
                    "photo 1-6: seller-stated dimensions are available, but no ruler or scale photo verifies them"
                ],
                "authenticity_concerns": [
                    "photos 1-6: no Coach identifier is visible, and the Western tooling and construction do not match a recognizable documented Coach model",
                    "photos 1-6: the visible buckle and decorative tooling are consistent with a generic Western leather bag or lookalike, not evidence of Coach manufacture"
                ],
                "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": "photos 1, 3, 4, 5, and 6: central metal buckle closure and metal strap rings\/snap hardware are visible; no Coach engraving is legible",
                    "leather_description": "photos 1-6: dark black or charcoal leather with pronounced creasing, worn edges, brown exposed edge areas, and ornate Western floral cutout\/tooling on the flap",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 4 and 5: adjustable leather crossbody strap attached with metal rings and riveted or snapped leather tabs",
                    "stitching_description": "photos 1-6: prominent contrasting white stitching follows the outer edges; stitching appears generally even but is visibly decorative"
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned: the flap, buckle, Western tooling, and contrast stitching do not closely match the listed City Bag, Willis, Court, Station, Stewardess, or other classic Coach silhouettes.",
                    "The seller's stated 12 x 8.5 x 3 inch dimensions are compatible with a small crossbody but are not a Coach identifier.",
                    "Condition: Good; visible creasing, edge wear, rubbed brown trim, and general surface wear are present in photos 1-6. Interior condition and odor are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 12,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 50,
                "estimated_resale_low": 20,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of emptied interior and interior back wall \/ pocket where Coach creed would sit",
                    "straight-on creed \/ maker-mark close-up in raking light if any stamp exists",
                    "hardware stamps \/ zipper brand and hangtag both faces if present",
                    "bottom corners close-up and strap fold \/ buckle holes for condition"
                ],
                "negative_evidence": [
                    "photo 1: large cut-out filigree tooled Western floral flap with openwork - never a Coach classic treatment",
                    "photo 1, photo 2: white contrast stitching around flap and body - vintage Coach uses tone-matched stitching",
                    "photo 3, photo 6: buckle-strap closure with silver-tone buckle - no brass turnlock with Coach geometry",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 4, photo 5: silver-tone D-rings and rivets - vintage Coach classics use solid brass throughout",
                    "photo 2: plain back with no exterior slip pocket \/ turnlock keeper typical of City Bag \/ Court \/ Station types"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone buckle on front tab, D-rings and rivets for detachable strap; no brass turnlock, no COACH stamping visible",
                    "leather_description": "black pebbled leather with Western cut-out \/ embossed floral openwork flap, brown raw edges visible at sides",
                    "lining_description": "not_visible - interior never shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white \/ light contrast saddle stitching around flap perimeter and body edges, not tone-matched",
                    "strap_construction": "narrow flat leather crossbody strap attached via D-rings and rivets, detachable; full length and buckle holes not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather flap crossbody saddle silhouette broadly similar in size to vintage shoulder bags (seller states 12x8.5x3 in)"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: cut-out Western filigree, contrast stitching, buckle closure and silver hardware are inconsistent with any 1970s-1990s glove-tanned classic (City 9790, Court 9870, Station 5130, Dinky 9375, etc.)",
                    "No hard identifiers: no creed, serial, wordmark, turnlock or hangtag visible in 6 exterior views",
                    "Condition: Very Good exterior - leather intact with light wear, edges browned, stitching intact (photos 1-3); interior and bottom not shown so capped, lining unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17797,
            "output_tokens": 865,
            "total_tokens": 18662,
            "estimated_cost_usd": 0.009195
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18134,
            "output_tokens": 1353,
            "total_tokens": 19487,
            "estimated_cost_usd": 0.004709
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    ]
}