Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.045,
    "vintage_probability": 0.19,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.795,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured leather-look handbag with a top handle and substantial stitched construction.",
        "photo 6: Side profile shows a gusseted handbag form with strap-attachment hardware.",
        "photo 1-6: leather structured handbag of handbag scale per seller 11x9x4 in"
    ],
    "negative_evidence": [
        "photo 1: No visible COACH wordmark, horse-and-carriage, leather hangtag, or creed patch.",
        "photo 1: Wooden bar handle and magnetic-style top closure do not match the typical classic Coach turnlock silhouettes.",
        "photos 1-5: Smooth glossy finish, prominent contrast stitching, and geometric construction are more consistent with a generic structured handbag than a vintage Coach classic.",
        "listing text: Seller identifies the item as unbranded; this is weak context only and is not independently verifiable from the photos.",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-3: magnetic closure with wooden bar handles, not Coach turnlock geometry with brass back plate and keeper",
        "photo 3: seller-described neutral fabric-lined interior, not unlined suede-back glove-tanned classic interior",
        "photo 1-5: light contrast stitching around edges and handle cutouts, not tone-matched tight Coach stitching",
        "photo 1-6: structured trapezoid frame with exposed wooden bars through leather loops, no match in Coach classic catalog silhouettes"
    ],
    "missing_information": [
        "Interior emptied and photographed clearly, including every label, patch, zipper pull, and pocket seam.",
        "Close-up of the closure and all hardware, including any stamps or engravings.",
        "Full view of the strap-attachment loops and any remaining maker tag.",
        "Confirmation of whether the exterior is genuine leather, coated leather, or synthetic material.",
        "photo of emptied interior and lining including any stamped patch or fabric tags not shown",
        "creed patch close-up in raking light not shown",
        "hangtag \/ wordmark \/ hardware engravings close-up not shown",
        "interior slip and zip pockets not shown",
        "strap attachment hardware detail not shown"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, and the silhouette and construction do not provide a strong catalog match; it should be treated as a generic lookalike rather than presumed Coach.",
        "The glossy, highly finished leather appearance and modern magnetic closure are inconsistent with many classic unlined glove-tanned Coach styles, although the interior material cannot be verified from the photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the bag lacks a visible creed, serial, wordmark, hangtag, or recognizable Coach-specific closure.",
        "The wooden bar handle and trapezoidal structured body are not sufficient to identify a Coach model; similar generic handbags are common.",
        "Condition: Good; visible surface scratches and scuffs are present, while the interior and functional closure are insufficiently documented.",
        "No Coach identifier visible in any photo so no catalog match attempted; silhouette with wooden bar handles, magnetic closure, fabric lining and contrast stitching is inconsistent with 1970s-1990s glove-tanned classics (City Bag 9790, Willis 9927, Court 9870, Station 5130) which are unlined with brass turnlocks and tone-matched stitching; Condition: Good; surface scratches\/scuffs (photos 1-2), missing strap, interior not shown so lining\/odor 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": "Visible wooden bar handles with leather end fittings; small metal strap-attachment hardware is visible at the sides. No Coach engraving is visible.",
        "leather_description": "Smooth, glossy brown\/cognac material with surface scratches and scuffs visible in photos; exact material cannot be confirmed.",
        "lining_description": "Seller states a neutral fabric lining, but the interior is not shown clearly enough to independently observe it.",
        "strap_construction": "Removable shoulder\/crossbody attachment points are visible; the original strap is absent according to the listing.",
        "stitching_description": "Visible contrast-colored stitching is generally straight and even around the perimeter and handle fittings."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.05,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured leather-look handbag with a top handle and substantial stitched construction.",
                    "photo 6: Side profile shows a gusseted handbag form with strap-attachment hardware."
                ],
                "negative_evidence": [
                    "photo 1: No visible COACH wordmark, horse-and-carriage, leather hangtag, or creed patch.",
                    "photo 1: Wooden bar handle and magnetic-style top closure do not match the typical classic Coach turnlock silhouettes.",
                    "photos 1-5: Smooth glossy finish, prominent contrast stitching, and geometric construction are more consistent with a generic structured handbag than a vintage Coach classic.",
                    "listing text: Seller identifies the item as unbranded; this is weak context only and is not independently verifiable from the photos."
                ],
                "missing_information": [
                    "Interior emptied and photographed clearly, including every label, patch, zipper pull, and pocket seam.",
                    "Close-up of the closure and all hardware, including any stamps or engravings.",
                    "Full view of the strap-attachment loops and any remaining maker tag.",
                    "Confirmation of whether the exterior is genuine leather, coated leather, or synthetic material."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, and the silhouette and construction do not provide a strong catalog match; it should be treated as a generic lookalike rather than presumed Coach.",
                    "The glossy, highly finished leather appearance and modern magnetic closure are inconsistent with many classic unlined glove-tanned Coach styles, although the interior material cannot be verified 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": "Visible wooden bar handles with leather end fittings; small metal strap-attachment hardware is visible at the sides. No Coach engraving is visible.",
                    "leather_description": "Smooth, glossy brown\/cognac material with surface scratches and scuffs visible in photos; exact material cannot be confirmed.",
                    "lining_description": "Seller states a neutral fabric lining, but the interior is not shown clearly enough to independently observe it.",
                    "strap_construction": "Removable shoulder\/crossbody attachment points are visible; the original strap is absent according to the listing.",
                    "stitching_description": "Visible contrast-colored stitching is generally straight and even around the perimeter and handle fittings."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the bag lacks a visible creed, serial, wordmark, hangtag, or recognizable Coach-specific closure.",
                    "The wooden bar handle and trapezoidal structured body are not sufficient to identify a Coach model; similar generic handbags are common.",
                    "Condition: Good; visible surface scratches and scuffs are present, while the interior and functional closure are insufficiently documented."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.03,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of emptied interior and lining including any stamped patch or fabric tags not shown",
                    "creed patch close-up in raking light not shown",
                    "hangtag \/ wordmark \/ hardware engravings close-up not shown",
                    "interior slip and zip pockets not shown",
                    "strap attachment hardware detail not shown"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-3: magnetic closure with wooden bar handles, not Coach turnlock geometry with brass back plate and keeper",
                    "photo 3: seller-described neutral fabric-lined interior, not unlined suede-back glove-tanned classic interior",
                    "photo 1-5: light contrast stitching around edges and handle cutouts, not tone-matched tight Coach stitching",
                    "photo 1-6: structured trapezoid frame with exposed wooden bars through leather loops, no match in Coach classic catalog silhouettes"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "wooden bar top handles through leather loops; small metal side loops for missing strap; magnetic snap glimpsed in photo 3; no solid brass turnlock, buckles, or branded pulls visible",
                    "leather_description": "smooth cognac brown leather with sheen and surface scratches\/scuffs visible in photos 1-2; not matte glove-tanned with natural scars\/veins; edges finished",
                    "lining_description": "not_visible in photos; seller states neutral fabric lining with slip and zip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast stitching around perimeter, center seam, and handle cutouts, even but contrasting to leather",
                    "strap_construction": "wooden bar handles fixed through leather channels; detachable strap\/chain missing, attachment loops only",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: leather structured handbag of handbag scale per seller 11x9x4 in"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo so no catalog match attempted; silhouette with wooden bar handles, magnetic closure, fabric lining and contrast stitching is inconsistent with 1970s-1990s glove-tanned classics (City Bag 9790, Willis 9927, Court 9870, Station 5130) which are unlined with brass turnlocks and tone-matched stitching; Condition: Good; surface scratches\/scuffs (photos 1-2), missing strap, interior not shown so lining\/odor unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18228,
            "output_tokens": 886,
            "total_tokens": 19114,
            "estimated_cost_usd": 0.009418
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18783,
            "output_tokens": 1267,
            "total_tokens": 20050,
            "estimated_cost_usd": 0.00477
        }
    ]
}