Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.88,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The item is a small handbag, but its rectangular hair-on hide body, bright blue whipstitching, and thin leather straps do not match recognizable vintage Coach construction.",
        "photos 1-5: No Coach wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or recognizable Coach hardware is visible.",
        "photos 1-5: The decorative hair-on leather and contrasting blue edge stitching are inconsistent with typical vintage Coach glove-tanned leather classics.",
        "photo 1: Seller describes it as unbranded; this is weak context only and is consistent with the absence of visible Coach identifiers.",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage visible",
        "photo 1-4: no turnlock or solid-brass hardware; no metal hardware visible at all",
        "photo 1-4: hair-on-hide pouch with large blue hand whipstitch around edges matches no Coach catalog silhouette",
        "photo 1-4: thin unmounted strap with no buckle, dogleash clips, or brass fittings unlike vintage Coach straps"
    ],
    "missing_information": [
        "photo request: Straight-on close-up of the interior, including all pockets and seams, to check for a creed or fabric label.",
        "photo request: Close-ups of any closure, strap attachments, and hardware from both sides.",
        "photo request: Bottom, side, and interior construction views.",
        "photo request: Any tag or stamp photographed straight-on and filling the frame.",
        "photo of interior \/ lining to confirm no creed patch or labels",
        "close-up of strap attachments and any stamps",
        "bottom \/ side views"
    ],
    "authenticity_concerns": [
        "photos 1-5: No Coach identifiers are visible, and the materials and decorative construction strongly suggest a generic or artisan hair-on-hide bag rather than a Coach product.",
        "photos 1-5: The bright contrasting whipstitching and hair-on hide are inconsistent with the classic vintage Coach construction expected for a turnlock leather handbag.",
        "photo 1-4: crude hand-whipstitched hair-on-hide construction with no Coach identifiers is inconsistent with any Coach production method"
    ],
    "possible_model_reasoning": [
        "No catalog Coach model is a reasonable match from the visible rectangular hair-on-hide body, blue whipstitching, and narrow straps.",
        "photo 1: Seller states dimensions of 8.25 x 5.5 inches; the small scale is compatible with a generic mini handbag but does not identify a Coach style.",
        "Condition appears new or unused based on the seller title and clean-looking exterior, but the interior, bottom, and functional hardware are not shown.",
        "No Coach model matches: size 8.25x5.5 pouch with hair-on-hide and blue whipstitch and strap-through-edge construction has no counterpart in Classic or modern catalog",
        "Era reasoning: handmade \/ artisan construction with no creed, no brass, no lining view indicates modern non-Coach",
        "Condition: Like New \/ New as listed; photos 3-4 show clean fur, intact blue stitching, no wear visible, but interior and strap wear 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": "photos 1-5: No Coach-style turnlock or identifiable branded hardware is visible; the bag appears to have an open top or minimal closure, but the closure is not clearly shown.",
        "leather_description": "photos 1-5: Hair-on hide or fur-on leather panels with contrasting light and dark coloring; smooth dark leather-looking straps and trim are visible.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-5: Two narrow dark leather shoulder straps appear attached directly at the upper corners; adjustment hardware is not visible.",
        "stitching_description": "photos 1-5: Prominent bright blue whipstitching runs around the perimeter; it is decorative and contrasting rather than typical tone-matched vintage Coach stitching."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The item is a small handbag, but its rectangular hair-on hide body, bright blue whipstitching, and thin leather straps do not match recognizable vintage Coach construction.",
                    "photos 1-5: No Coach wordmark, horse-and-carriage emblem, creed patch, serial\/style number, or recognizable Coach hardware is visible.",
                    "photos 1-5: The decorative hair-on leather and contrasting blue edge stitching are inconsistent with typical vintage Coach glove-tanned leather classics.",
                    "photo 1: Seller describes it as unbranded; this is weak context only and is consistent with the absence of visible Coach identifiers."
                ],
                "missing_information": [
                    "photo request: Straight-on close-up of the interior, including all pockets and seams, to check for a creed or fabric label.",
                    "photo request: Close-ups of any closure, strap attachments, and hardware from both sides.",
                    "photo request: Bottom, side, and interior construction views.",
                    "photo request: Any tag or stamp photographed straight-on and filling the frame."
                ],
                "authenticity_concerns": [
                    "photos 1-5: No Coach identifiers are visible, and the materials and decorative construction strongly suggest a generic or artisan hair-on-hide bag rather than a Coach product.",
                    "photos 1-5: The bright contrasting whipstitching and hair-on hide are inconsistent with the classic vintage Coach construction expected for a turnlock leather handbag."
                ],
                "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 1-5: No Coach-style turnlock or identifiable branded hardware is visible; the bag appears to have an open top or minimal closure, but the closure is not clearly shown.",
                    "leather_description": "photos 1-5: Hair-on hide or fur-on leather panels with contrasting light and dark coloring; smooth dark leather-looking straps and trim are visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-5: Two narrow dark leather shoulder straps appear attached directly at the upper corners; adjustment hardware is not visible.",
                    "stitching_description": "photos 1-5: Prominent bright blue whipstitching runs around the perimeter; it is decorative and contrasting rather than typical tone-matched vintage Coach stitching."
                },
                "possible_model_reasoning": [
                    "No catalog Coach model is a reasonable match from the visible rectangular hair-on-hide body, blue whipstitching, and narrow straps.",
                    "photo 1: Seller states dimensions of 8.25 x 5.5 inches; the small scale is compatible with a generic mini handbag but does not identify a Coach style.",
                    "Condition appears new or unused based on the seller title and clean-looking exterior, but the interior, bottom, and functional hardware are not shown."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 5,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-4: crude hand-whipstitched hair-on-hide construction with no Coach identifiers is inconsistent with any Coach production method"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of interior \/ lining to confirm no creed patch or labels",
                    "close-up of strap attachments and any stamps",
                    "bottom \/ side views"
                ],
                "negative_evidence": [
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage visible",
                    "photo 1-4: no turnlock or solid-brass hardware; no metal hardware visible at all",
                    "photo 1-4: hair-on-hide pouch with large blue hand whipstitch around edges matches no Coach catalog silhouette",
                    "photo 1-4: thin unmounted strap with no buckle, dogleash clips, or brass fittings unlike vintage Coach straps"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no turnlock, buckle, rings or zipper visible; thin dark flat leather strap looped through top edge (photo 1, photo 2, photo 4)",
                    "leather_description": "hair-on-hide \/ cowhide with fur in tan-grey mottled pattern (photo 1-4)",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "large hand whipstitch \/ blanket stitch in blue lacing around three sides of pouch (photo 1-4)",
                    "strap_construction": "thin flat dark leather crossbody strap, appears non-adjustable, no buckle or clips visible (photo 2, photo 4)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model matches: size 8.25x5.5 pouch with hair-on-hide and blue whipstitch and strap-through-edge construction has no counterpart in Classic or modern catalog",
                    "Era reasoning: handmade \/ artisan construction with no creed, no brass, no lining view indicates modern non-Coach",
                    "Condition: Like New \/ New as listed; photos 3-4 show clean fur, intact blue stitching, no wear visible, but interior and strap wear unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24218,
            "output_tokens": 783,
            "total_tokens": 25001,
            "estimated_cost_usd": 0.011566
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25188,
            "output_tokens": 1249,
            "total_tokens": 26437,
            "estimated_cost_usd": 0.006037
        }
    ]
}