Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.025,
    "vintage_probability": 0.09,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.695,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.79,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: a small black handbag with leather-like exterior and attached top handles is clearly visible"
    ],
    "negative_evidence": [
        "photo 1: the large circular handle construction and oversized round silver-tone decorative element do not match the documented classic vintage Coach silhouettes",
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware",
        "photos 1-7: hardware appears mixed gold-tone and silver-tone, which is inconsistent with typical vintage Coach construction",
        "photos 1-7: the handles are thin circular metal rings attached with simple square leather tabs and snaps, unlike common Coach handle and strap constructions",
        "photos 1-7: visible leather surface and edge finishing look relatively thin and generic rather than clearly glove-tanned Coach leather",
        "photo 1: no turnlock, no flap, no Coach silhouette - simple open tote with large circular ring handles not in Coach catalog",
        "photo 1-6: no COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-6: no creed patch visible; interior never shown",
        "photo 1: raw-cut top edge and simple riveted leather tabs attaching ring handles unlike vintage Coach construction",
        "photo 4: thin bright gold-tone ring handles and small dome rivets, not vintage solid-brass Coach hardware"
    ],
    "missing_information": [
        "photo 1: interior, lining, and any sewn-in brand or care label are not shown",
        "photo 1: bottom, back, closure, and interior pockets are not shown",
        "photo 1: no close-up of any possible maker stamp or logo inside the bag",
        "seller-stated dimensions and material composition are unavailable",
        "photo 1-6: interior never shown, lining and creed patch unknown - request emptied interior and creed close-up",
        "photo 1-6: back, side, bottom views not shown - request all four corners and bottom",
        "photo 4: hardware close-up of ring handles, rivets and any stamps needed",
        "photo 1-6: hangtag, wordmark, or fabric tag not shown - request any marks",
        "seller-stated dimensions and scale reference missing"
    ],
    "authenticity_concerns": [
        "photos 1-7: the bag lacks any visible Coach identifier and has a generic fashion-bag design; it is more consistent with an unbranded lookalike than a Coach product",
        "photos 1-7: mixed-tone gold and silver hardware is a construction inconsistency for a purported vintage Coach bag"
    ],
    "possible_model_reasoning": [
        "The silhouette does not closely match the listed vintage Coach City Bag, Court, Willis, Station, Dinky, or other catalog styles; the circular ring handles and decorative round element point to a generic modern fashion handbag.",
        "Era: modern (2000s+), non-Coach is the best fit from the generic design, mixed-tone hardware, and absence of identifiers; no date code or creed is visible.",
        "Condition: Good; visible surface scuffing, discoloration, and edge wear are present in photos 1-7, while the interior and functional closure remain unassessed.",
        "No Coach model matches: ring-handle open tote with riveted tabs has no counterpart in Classic or modern catalog; no creed, wordmark, turnlock, or dogleash hardware to support Coach manufacture",
        "Condition: Good; photo 1-3: surface scuffing and faded\/worn finish on black leather, shape intact but unstructured, hardware bright, interior and bottom unknown so 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": "photos 1-7: thin gold-tone circular top handles secured by black leather-like tabs with round silver-tone snaps; a large silver-tone circular element is visible behind the handles; no Coach engraving is visible",
        "leather_description": "photos 1-7: black leather-like material with a smooth-to-lightly textured surface, visible scuffing and lighter wear near the lower front and corners; exact material cannot be confirmed",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-7: no shoulder strap is visible; fixed circular top handles are attached with small square tabs",
        "stitching_description": "photos 1-7: perimeter edges and handle tabs are visible, but stitching is sparse or not clearly visible; construction does not show distinctive Coach workmanship"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0034,
    "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": 0.02,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: a small black handbag with leather-like exterior and attached top handles is clearly visible"
                ],
                "negative_evidence": [
                    "photo 1: the large circular handle construction and oversized round silver-tone decorative element do not match the documented classic vintage Coach silhouettes",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware",
                    "photos 1-7: hardware appears mixed gold-tone and silver-tone, which is inconsistent with typical vintage Coach construction",
                    "photos 1-7: the handles are thin circular metal rings attached with simple square leather tabs and snaps, unlike common Coach handle and strap constructions",
                    "photos 1-7: visible leather surface and edge finishing look relatively thin and generic rather than clearly glove-tanned Coach leather"
                ],
                "missing_information": [
                    "photo 1: interior, lining, and any sewn-in brand or care label are not shown",
                    "photo 1: bottom, back, closure, and interior pockets are not shown",
                    "photo 1: no close-up of any possible maker stamp or logo inside the bag",
                    "seller-stated dimensions and material composition are unavailable"
                ],
                "authenticity_concerns": [
                    "photos 1-7: the bag lacks any visible Coach identifier and has a generic fashion-bag design; it is more consistent with an unbranded lookalike than a Coach product",
                    "photos 1-7: mixed-tone gold and silver hardware is a construction inconsistency for a purported vintage Coach bag"
                ],
                "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 1-7: thin gold-tone circular top handles secured by black leather-like tabs with round silver-tone snaps; a large silver-tone circular element is visible behind the handles; no Coach engraving is visible",
                    "leather_description": "photos 1-7: black leather-like material with a smooth-to-lightly textured surface, visible scuffing and lighter wear near the lower front and corners; exact material cannot be confirmed",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-7: no shoulder strap is visible; fixed circular top handles are attached with small square tabs",
                    "stitching_description": "photos 1-7: perimeter edges and handle tabs are visible, but stitching is sparse or not clearly visible; construction does not show distinctive Coach workmanship"
                },
                "possible_model_reasoning": [
                    "The silhouette does not closely match the listed vintage Coach City Bag, Court, Willis, Station, Dinky, or other catalog styles; the circular ring handles and decorative round element point to a generic modern fashion handbag.",
                    "Era: modern (2000s+), non-Coach is the best fit from the generic design, mixed-tone hardware, and absence of identifiers; no date code or creed is visible.",
                    "Condition: Good; visible surface scuffing, discoloration, and edge wear are present in photos 1-7, while the interior and functional closure remain unassessed."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1-6: interior never shown, lining and creed patch unknown - request emptied interior and creed close-up",
                    "photo 1-6: back, side, bottom views not shown - request all four corners and bottom",
                    "photo 4: hardware close-up of ring handles, rivets and any stamps needed",
                    "photo 1-6: hangtag, wordmark, or fabric tag not shown - request any marks",
                    "seller-stated dimensions and scale reference missing"
                ],
                "negative_evidence": [
                    "photo 1: no turnlock, no flap, no Coach silhouette - simple open tote with large circular ring handles not in Coach catalog",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-6: no creed patch visible; interior never shown",
                    "photo 1: raw-cut top edge and simple riveted leather tabs attaching ring handles unlike vintage Coach construction",
                    "photo 4: thin bright gold-tone ring handles and small dome rivets, not vintage solid-brass Coach hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone circular metal ring handles attached through small black leather tabs with dome rivets; no turnlock, no zipper, no stamps visible",
                    "leather_description": "black smooth leather with matte worn finish and surface scuffing, soft unstructured body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - side seams barely visible, no stitch detail legible",
                    "strap_construction": "twin circular rigid top handles with leather grip wraps at top, riveted to front body via square leather tabs",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model matches: ring-handle open tote with riveted tabs has no counterpart in Classic or modern catalog; no creed, wordmark, turnlock, or dogleash hardware to support Coach manufacture",
                    "Condition: Good; photo 1-3: surface scuffing and faded\/worn finish on black leather, shape intact but unstructured, hardware bright, interior and bottom unknown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.1
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28776,
            "output_tokens": 828,
            "total_tokens": 29604,
            "estimated_cost_usd": 0.013498
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30088,
            "output_tokens": 1082,
            "total_tokens": 31170,
            "estimated_cost_usd": 0.006883
        }
    ]
}