Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.875,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a small shoulder handbag with a structured flap and attached shoulder strap."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage logo, creed patch, or leather hangtag.",
        "photo 2: The large central closure is a decorative buckle-style closure, not a recognizable Coach turnlock.",
        "photo 1: Glossy, uniform leather-like surface and contrast edge coating are more consistent with a modern generic or synthetic bag than vintage glove-tanned Coach leather.",
        "photo 6: Interior hardware tag shows an RN-style registration marking rather than a visible Coach creed or Coach style code.",
        "photo 6: Fabric lining and visible interior staining are inconsistent with many classic unlined vintage Coach silhouettes.",
        "photo 1,3,5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 1,2: large leather-covered buckle\/belt closure, not Coach turnlock geometry",
        "photo 5: fabric lining under flap and magnetic snap closure - vintage Coach classics are unlined suede-back glove-tanned with turnlock",
        "photo 1,2,4: glossy coated patent-like light-green leather with dark painted edges and contrast stitching - not matte glove-tanned cowhide",
        "photo 1,4: thin shoulder strap on brass-tone O-rings with looped ends - not Coach dogleash\/lobster or buckle-adjust construction",
        "photo 6: snap hardware stamped with numbers only, no Coach identifier"
    ],
    "missing_information": [
        "photo 6: The interior is only partially shown; request a fully emptied interior, all pockets, and any sewn-in brand or care labels.",
        "No dedicated bottom\/corner close-up is provided.",
        "The zipper, closure mechanism, and any hardware stamps are not shown in close-up.",
        "Seller-stated dimensions and material composition are unavailable.",
        "photo 5: interior main compartment not fully emptied\/shown - no creed patch or fabric brand tag visible",
        "photo 6: magnetic snap reads 'NO 6639918 AND6631599' - no COACH marking, but full interior lining and pocket construction not shown",
        "photo 3: back\/bottom corners and base not shown in detail"
    ],
    "authenticity_concerns": [
        "photo 1: The design appears to be a generic early-2000s\/Y2K lookalike rather than a Coach catalog silhouette.",
        "photo 1: Decorative buckle hardware and glossy coated-looking material do not match the usual construction cues of vintage Coach classics.",
        "photo 6: An RN-style marking is not evidence of Coach manufacture and no Coach identifier is visible."
    ],
    "possible_model_reasoning": [
        "The compact flap-and-buckle shoulder-bag shape is not a strong match for the listed vintage Coach models and lacks Coach identifiers.",
        "The seller title's 'Y2K' wording is broadly compatible with the modern construction, but seller text is not photographic evidence.",
        "Condition: Good; visible interior staining and marks (photo 6), with otherwise intact-looking exterior; bottom and all corners are not fully documented.",
        "No Coach identifier visible in any of 6 photos - no creed, no wordmark, no hangtag, no Coach-engraved hardware",
        "Silhouette is Y2K baguette shoulder bag with front belt-buckle flap and magnetic snap - does not match any catalog Coach style (City Bag 9790, Willis 9927, Court 9870, Station 5130, Dinky 9375 etc. all use turnlock)",
        "Construction (coated glossy leather, fabric lining, painted edges, plated O-ring hardware) points to 2000s fast-fashion\/mall brand, not 1970s-1990s glove-tanned Coach",
        "Condition: Good; glossy exterior generally intact (photo 1,3), light staining on flap lining (photo 5,6), hardware tarnished (photo 2,6)"
    ],
    "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 1: Gold-tone rings, rivets, grommets, and a decorative buckle-style flap closure; no Coach engraving is visible.",
        "leather_description": "photo 1: Smooth, glossy green leather-like material with dark contrasting edge coating; exact material cannot be confirmed from photos.",
        "lining_description": "photo 6: Light green fabric lining with visible discoloration and small marks.",
        "strap_construction": "photos 1 and 4: Single adjustable-looking shoulder strap attached through gold-tone rings; layered\/coated strap edges are visible.",
        "stitching_description": "photos 1, 4, and 5: Generally even contrast stitching, with some loose or uneven-looking threads near strap and edge attachments."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0016,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a small shoulder handbag with a structured flap and attached shoulder strap."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage logo, creed patch, or leather hangtag.",
                    "photo 2: The large central closure is a decorative buckle-style closure, not a recognizable Coach turnlock.",
                    "photo 1: Glossy, uniform leather-like surface and contrast edge coating are more consistent with a modern generic or synthetic bag than vintage glove-tanned Coach leather.",
                    "photo 6: Interior hardware tag shows an RN-style registration marking rather than a visible Coach creed or Coach style code.",
                    "photo 6: Fabric lining and visible interior staining are inconsistent with many classic unlined vintage Coach silhouettes."
                ],
                "missing_information": [
                    "photo 6: The interior is only partially shown; request a fully emptied interior, all pockets, and any sewn-in brand or care labels.",
                    "No dedicated bottom\/corner close-up is provided.",
                    "The zipper, closure mechanism, and any hardware stamps are not shown in close-up.",
                    "Seller-stated dimensions and material composition are unavailable."
                ],
                "authenticity_concerns": [
                    "photo 1: The design appears to be a generic early-2000s\/Y2K lookalike rather than a Coach catalog silhouette.",
                    "photo 1: Decorative buckle hardware and glossy coated-looking material do not match the usual construction cues of vintage Coach classics.",
                    "photo 6: An RN-style marking is not evidence of Coach manufacture and no Coach identifier is visible."
                ],
                "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: Gold-tone rings, rivets, grommets, and a decorative buckle-style flap closure; no Coach engraving is visible.",
                    "leather_description": "photo 1: Smooth, glossy green leather-like material with dark contrasting edge coating; exact material cannot be confirmed from photos.",
                    "lining_description": "photo 6: Light green fabric lining with visible discoloration and small marks.",
                    "strap_construction": "photos 1 and 4: Single adjustable-looking shoulder strap attached through gold-tone rings; layered\/coated strap edges are visible.",
                    "stitching_description": "photos 1, 4, and 5: Generally even contrast stitching, with some loose or uneven-looking threads near strap and edge attachments."
                },
                "possible_model_reasoning": [
                    "The compact flap-and-buckle shoulder-bag shape is not a strong match for the listed vintage Coach models and lacks Coach identifiers.",
                    "The seller title's 'Y2K' wording is broadly compatible with the modern construction, but seller text is not photographic evidence.",
                    "Condition: Good; visible interior staining and marks (photo 6), with otherwise intact-looking exterior; bottom and all corners are not fully documented."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 5: interior main compartment not fully emptied\/shown - no creed patch or fabric brand tag visible",
                    "photo 6: magnetic snap reads 'NO 6639918 AND6631599' - no COACH marking, but full interior lining and pocket construction not shown",
                    "photo 3: back\/bottom corners and base not shown in detail"
                ],
                "negative_evidence": [
                    "photo 1,3,5: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 1,2: large leather-covered buckle\/belt closure, not Coach turnlock geometry",
                    "photo 5: fabric lining under flap and magnetic snap closure - vintage Coach classics are unlined suede-back glove-tanned with turnlock",
                    "photo 1,2,4: glossy coated patent-like light-green leather with dark painted edges and contrast stitching - not matte glove-tanned cowhide",
                    "photo 1,4: thin shoulder strap on brass-tone O-rings with looped ends - not Coach dogleash\/lobster or buckle-adjust construction",
                    "photo 6: snap hardware stamped with numbers only, no Coach identifier"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone O-rings at strap attachments, brass-tone eyelets and pin on front buckle, brass-tone rivets and magnetic snap; snap stamped NO 6639918 \/ AND6631599; plated appearance, not solid vintage brass",
                    "leather_description": "light\/pistachio green glossy coated leather with sheen, smooth grain, dark brown\/black painted edges visible photo 1,2,4",
                    "lining_description": "light green\/yellow fabric lining visible under flap photo 5,6 with small stain spots; main compartment interior not fully shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast off-white stitching around flap, buckle and trim, even but not tone-matched as on vintage Coach",
                    "strap_construction": "single fixed-length shoulder strap in same green material, sewn loops through O-rings, no buckle adjustment or dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any of 6 photos - no creed, no wordmark, no hangtag, no Coach-engraved hardware",
                    "Silhouette is Y2K baguette shoulder bag with front belt-buckle flap and magnetic snap - does not match any catalog Coach style (City Bag 9790, Willis 9927, Court 9870, Station 5130, Dinky 9375 etc. all use turnlock)",
                    "Construction (coated glossy leather, fabric lining, painted edges, plated O-ring hardware) points to 2000s fast-fashion\/mall brand, not 1970s-1990s glove-tanned Coach",
                    "Condition: Good; glossy exterior generally intact (photo 1,3), light staining on flap lining (photo 5,6), hardware tarnished (photo 2,6)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.15
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33102,
            "output_tokens": 827,
            "total_tokens": 33929,
            "estimated_cost_usd": 0.015226
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35573,
            "output_tokens": 1342,
            "total_tokens": 36915,
            "estimated_cost_usd": 0.008188
        }
    ]
}