Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.535,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.655,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: the item is a leather or leather-like tote handbag with stitched construction.",
        "photo 1, photo 2: leather tote handbag, the population where modern leather bags occur"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, hangtag, or Coach-style turnlock.",
        "photo 2: no visible Coach identifier; the bag has a modern minimalist tote silhouette rather than a recognizable vintage Coach classic.",
        "photo 1: braided decorative side seams and long exterior leather ties are not characteristic evidence of vintage Coach.",
        "photo 1 and photo 2: the seller title identifies a Callista medium grained calf leather tote and seller_brand is Unbranded; this is weak contextual evidence only, not proof of brand.",
        "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1, photo 2: no turnlock or vintage solid-brass hardware visible",
        "photo 1, photo 2: modern soft tote silhouette with side whipstitch lacing and thin hanging ties, not matching any classic glove-tanned Coach catalog style",
        "photo 2: pebbled medium-grained leather with modern finish, not vintage glove-tanned with suede-back unlined interior"
    ],
    "missing_information": [
        "Interior view, including any sewn-in brand label, creed patch, or fabric tag.",
        "Close-ups of all hardware, zipper pulls, and any hangtag; none are visible in the supplied photos.",
        "Bottom, corners, strap attachments, and interior condition views.",
        "Exact dimensions and material confirmation.",
        "interior views including any creed patch, fabric tags or lining not shown (photos 1-2 show exterior front only)",
        "close-up of handles, side whipstitch lacing and bottom corners not shown",
        "hardware, zipper brand, and Made-in stamps not shown",
        "seller-stated dimensions and scale reference not provided"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible, and the modern tote design provides no meaningful basis to attribute it to Coach.",
        "The supplied photos are consistent with a generic or non-Coach modern leather tote; a Coach attribution cannot be supported from them."
    ],
    "possible_model_reasoning": [
        "The tote silhouette, grained material, braided side seams, and leather ties do not match a specific listed vintage Coach model. No Coach style number or creed is visible.",
        "The clean contemporary construction and seller's Callista title support a modern non-Coach classification, although the title is untrusted and not independently verified.",
        "Condition cannot be fully graded because the interior, bottom, and corners are not adequately shown; externally it appears approximately Very Good, with no major damage visible in the supplied photos.",
        "No Coach model match: tote shape, side whip-lacing, double rolled handles with tie ends and absence of turnlock\/flap do not correspond to City Bag, Willis, Court, Station, Duffle Sac or other classic styles",
        "No serial\/creed\/country to decode; era from construction alone is modern non-Coach",
        "Condition: appears Good to Very Good exterior with no obvious stains or corner wear in photo 1-2, but bottom, interior and strap fold not shown so grade 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": "No visible metal hardware, turnlock, zipper, or hangtag; rounded leather handles and braided side detailing are visible.",
        "leather_description": "Light sand\/taupe, medium-grained leather or leather-like material visible in photos 1 and 2; exact material cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "Two rounded, padded top handles appear attached through elongated leather tabs; long narrow leather ties hang down the front.",
        "stitching_description": "Visible perimeter and side stitching appears generally even; decorative braided\/laced stitching runs along the side panels."
    },
    "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": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.62,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: the item is a leather or leather-like tote handbag with stitched construction."
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, creed patch, hangtag, or Coach-style turnlock.",
                    "photo 2: no visible Coach identifier; the bag has a modern minimalist tote silhouette rather than a recognizable vintage Coach classic.",
                    "photo 1: braided decorative side seams and long exterior leather ties are not characteristic evidence of vintage Coach.",
                    "photo 1 and photo 2: the seller title identifies a Callista medium grained calf leather tote and seller_brand is Unbranded; this is weak contextual evidence only, not proof of brand."
                ],
                "missing_information": [
                    "Interior view, including any sewn-in brand label, creed patch, or fabric tag.",
                    "Close-ups of all hardware, zipper pulls, and any hangtag; none are visible in the supplied photos.",
                    "Bottom, corners, strap attachments, and interior condition views.",
                    "Exact dimensions and material confirmation."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible, and the modern tote design provides no meaningful basis to attribute it to Coach.",
                    "The supplied photos are consistent with a generic or non-Coach modern leather tote; a Coach attribution cannot be supported from them."
                ],
                "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": "No visible metal hardware, turnlock, zipper, or hangtag; rounded leather handles and braided side detailing are visible.",
                    "leather_description": "Light sand\/taupe, medium-grained leather or leather-like material visible in photos 1 and 2; exact material cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two rounded, padded top handles appear attached through elongated leather tabs; long narrow leather ties hang down the front.",
                    "stitching_description": "Visible perimeter and side stitching appears generally even; decorative braided\/laced stitching runs along the side panels."
                },
                "possible_model_reasoning": [
                    "The tote silhouette, grained material, braided side seams, and leather ties do not match a specific listed vintage Coach model. No Coach style number or creed is visible.",
                    "The clean contemporary construction and seller's Callista title support a modern non-Coach classification, although the title is untrusted and not independently verified.",
                    "Condition cannot be fully graded because the interior, bottom, and corners are not adequately shown; externally it appears approximately Very Good, with no major damage visible in the supplied photos."
                ],
                "confidence": 0.71,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.6,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including any creed patch, fabric tags or lining not shown (photos 1-2 show exterior front only)",
                    "close-up of handles, side whipstitch lacing and bottom corners not shown",
                    "hardware, zipper brand, and Made-in stamps not shown",
                    "seller-stated dimensions and scale reference not provided"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1, photo 2: no turnlock or vintage solid-brass hardware visible",
                    "photo 1, photo 2: modern soft tote silhouette with side whipstitch lacing and thin hanging ties, not matching any classic glove-tanned Coach catalog style",
                    "photo 2: pebbled medium-grained leather with modern finish, not vintage glove-tanned with suede-back unlined interior"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "no metal hardware visible in photos 1-2",
                    "leather_description": "photo 1, photo 2: light taupe\/sand smooth pebbled grained leather, soft modern appearance",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1, photo 2: whipstitch\/laced stitching along side seams; handle attachment stitching not legible in detail",
                    "strap_construction": "photo 1, photo 2: double rolled top tote handles with long thin tie ends hanging down front; full length, underside and attachments not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: leather tote handbag, the population where modern leather bags occur"
                ],
                "possible_model_reasoning": [
                    "No Coach model match: tote shape, side whip-lacing, double rolled handles with tie ends and absence of turnlock\/flap do not correspond to City Bag, Willis, Court, Station, Duffle Sac or other classic styles",
                    "No serial\/creed\/country to decode; era from construction alone is modern non-Coach",
                    "Condition: appears Good to Very Good exterior with no obvious stains or corner wear in photo 1-2, but bottom, interior and strap fold not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.04
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 727,
            "total_tokens": 16966,
            "estimated_cost_usd": 0.00824
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}