Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.86,
    "recommended_max_bid": 8,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a crossbody handbag with a long detachable-looking shoulder strap and multiple zippered compartments.",
        "photo 1: The bag has a brown leather-like exterior and ordinary functional construction."
    ],
    "negative_evidence": [
        "photo 1: No COACH wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier is visible.",
        "photo 2: The exterior has a compact multi-compartment design with silver-tone hardware, unlike the classic vintage Coach turnlock silhouettes shown in the reference catalog.",
        "photo 3: The closure is a snap\/button rather than a Coach-style vintage turnlock.",
        "photo 4: The interior is dark fabric-lined and includes several zippered compartments; this does not match the unlined glove-tanned construction of many classic vintage Coach bags.",
        "photo 5: The visible hardware is silver-tone and modern-looking, with no Coach engraving visible.",
        "photo 6: The bag appears to use thin, heavily textured leather-like material and modern zipper construction; genuine leather versus synthetic material cannot be confirmed from photos.",
        "listing text: The seller identifies the item as unbranded and provides no Coach-related information; this is weak context only, not proof of brand.",
        "photo 1, photo 2: small flap crossbody\/wallet-on-strap silhouette with center seam, no Coach catalog shape, no turnlock",
        "photo 3, photo 5: magnetic snap closure, not Coach turnlock geometry",
        "photo 4, photo 5, photo 6: dark synthetic fabric lining and modern coil zippers with rectangular pulls, not unlined glove-tanned suede with Talon\/YKK metal",
        "photo 1-6: thin coated grained material with uniform faux-like pebble and painted edges, not vintage glove-tanned full-grain leather",
        "photo 1, photo 2: thin detachable strap on small lobster clips, not solid brass dogleash clips or buckle-adjustable Coach strap",
        "photo 1-6: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible"
    ],
    "missing_information": [
        "A straight-on close-up of every interior label, patch, and seam tag.",
        "Photos of the separate wristlet included in the stated lot; it is not clearly shown in the provided images.",
        "Close-ups of zipper pulls and hardware markings.",
        "Photos of the bottom, side seams, strap attachment points, and all corners.",
        "Seller-stated material composition, dimensions, and condition details.",
        "no legible maker stamp shown in close-up - photo 4 interior patch is blurred and unreadable",
        "no bottom \/ side \/ scale views, but not needed for Coach call"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible across the provided views, making this appear to be an unbranded or non-Coach bag rather than a misidentified vintage Coach.",
        "The lined, multi-zipper construction and silver-tone hardware are inconsistent with the classic vintage Coach construction suggested by a vintage Coach identification.",
        "The exterior may be synthetic or coated leather-like material; this cannot be conclusively determined from the photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the bag lacks a creed, wordmark, hangtag, turnlock, or recognizable Coach silhouette.",
        "The compact rectangular crossbody with multiple zippered sections is more consistent with a generic modern organizer-style crossbody.",
        "Condition: Very Good based on the visible intact exterior and stitching, although the interior, odor, and hidden wear cannot be fully assessed.",
        "no Coach identifier visible in any of 6 photos despite clear interior views - no creed, no wordmark, no hangtag",
        "construction - magnetic snap, synthetic lining, thin strap with lobster clips, wallet ID window and card slots - matches modern fast-fashion crossbody wallet, not any vintage Coach classic",
        "Condition: Good to Very Good; surface looks intact with light wear, no corner wear shown (no bottom view)"
    ],
    "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: Small silver-tone rings, clips, snaps, and zipper hardware are visible; no brand engraving is legible. photo 3: A round snap closure is visible.",
        "leather_description": "photo 1: Brown, heavily wrinkled leather-like exterior with a smooth edge finish; genuine leather versus synthetic material is not visible with certainty.",
        "lining_description": "photo 4: Dark fabric or synthetic lining is visible inside multiple compartments.",
        "strap_construction": "photo 1: Long, narrow adjustable-looking brown strap with metal attachment hardware and a small buckle\/loop detail.",
        "stitching_description": "photos 1-3: Machine-stitched perimeter seams appear generally even; no distinctive Coach construction feature is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a crossbody handbag with a long detachable-looking shoulder strap and multiple zippered compartments.",
                    "photo 1: The bag has a brown leather-like exterior and ordinary functional construction."
                ],
                "negative_evidence": [
                    "photo 1: No COACH wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier is visible.",
                    "photo 2: The exterior has a compact multi-compartment design with silver-tone hardware, unlike the classic vintage Coach turnlock silhouettes shown in the reference catalog.",
                    "photo 3: The closure is a snap\/button rather than a Coach-style vintage turnlock.",
                    "photo 4: The interior is dark fabric-lined and includes several zippered compartments; this does not match the unlined glove-tanned construction of many classic vintage Coach bags.",
                    "photo 5: The visible hardware is silver-tone and modern-looking, with no Coach engraving visible.",
                    "photo 6: The bag appears to use thin, heavily textured leather-like material and modern zipper construction; genuine leather versus synthetic material cannot be confirmed from photos.",
                    "listing text: The seller identifies the item as unbranded and provides no Coach-related information; this is weak context only, not proof of brand."
                ],
                "missing_information": [
                    "A straight-on close-up of every interior label, patch, and seam tag.",
                    "Photos of the separate wristlet included in the stated lot; it is not clearly shown in the provided images.",
                    "Close-ups of zipper pulls and hardware markings.",
                    "Photos of the bottom, side seams, strap attachment points, and all corners.",
                    "Seller-stated material composition, dimensions, and condition details."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible across the provided views, making this appear to be an unbranded or non-Coach bag rather than a misidentified vintage Coach.",
                    "The lined, multi-zipper construction and silver-tone hardware are inconsistent with the classic vintage Coach construction suggested by a vintage Coach identification.",
                    "The exterior may be synthetic or coated leather-like material; this cannot be conclusively determined from the photos."
                ],
                "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: Small silver-tone rings, clips, snaps, and zipper hardware are visible; no brand engraving is legible. photo 3: A round snap closure is visible.",
                    "leather_description": "photo 1: Brown, heavily wrinkled leather-like exterior with a smooth edge finish; genuine leather versus synthetic material is not visible with certainty.",
                    "lining_description": "photo 4: Dark fabric or synthetic lining is visible inside multiple compartments.",
                    "strap_construction": "photo 1: Long, narrow adjustable-looking brown strap with metal attachment hardware and a small buckle\/loop detail.",
                    "stitching_description": "photos 1-3: Machine-stitched perimeter seams appear generally even; no distinctive Coach construction feature is visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the bag lacks a creed, wordmark, hangtag, turnlock, or recognizable Coach silhouette.",
                    "The compact rectangular crossbody with multiple zippered sections is more consistent with a generic modern organizer-style crossbody.",
                    "Condition: Very Good based on the visible intact exterior and stitching, although the interior, odor, and hidden wear cannot be fully assessed."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "no legible maker stamp shown in close-up - photo 4 interior patch is blurred and unreadable",
                    "no bottom \/ side \/ scale views, but not needed for Coach call"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: small flap crossbody\/wallet-on-strap silhouette with center seam, no Coach catalog shape, no turnlock",
                    "photo 3, photo 5: magnetic snap closure, not Coach turnlock geometry",
                    "photo 4, photo 5, photo 6: dark synthetic fabric lining and modern coil zippers with rectangular pulls, not unlined glove-tanned suede with Talon\/YKK metal",
                    "photo 1-6: thin coated grained material with uniform faux-like pebble and painted edges, not vintage glove-tanned full-grain leather",
                    "photo 1, photo 2: thin detachable strap on small lobster clips, not solid brass dogleash clips or buckle-adjustable Coach strap",
                    "photo 1-6: no COACH wordmark, no horse-and-carriage, no creed patch, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone magnetic snap, brass-tone coil zippers with rectangular pulls, small lobster-clasp strap ends; lightweight plated appearance, not solid brass vintage hardware",
                    "leather_description": "brown grained coated material with uniform faux-like pebble, slight sheen; not glove-tanned cowhide patina",
                    "lining_description": "dark brown synthetic fabric lining in zip compartments, card slots visible in photo 5",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine edge stitching in matched brown thread around flap and body",
                    "strap_construction": "thin flat detachable crossbody strap with lobster clips and buckle adjustment, wristlet strap mentioned in title not separately shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "no Coach identifier visible in any of 6 photos despite clear interior views - no creed, no wordmark, no hangtag",
                    "construction - magnetic snap, synthetic lining, thin strap with lobster clips, wallet ID window and card slots - matches modern fast-fashion crossbody wallet, not any vintage Coach classic",
                    "Condition: Good to Very Good; surface looks intact with light wear, no corner wear shown (no bottom view)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 30810,
            "output_tokens": 894,
            "total_tokens": 31704,
            "estimated_cost_usd": 0.01447
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 32466,
            "output_tokens": 1217,
            "total_tokens": 33683,
            "estimated_cost_usd": 0.007467
        }
    ]
}