Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.04,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.835,
    "recommended_max_bid": 15,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather shoulder handbag with substantial construction and multiple pockets",
        "photo 4: exterior zip pocket and interior compartments are visible"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage, or leather Coach hangtag",
        "photos 1-4: silhouette, exposed metal snaps, zipper construction, and mixed-looking hardware do not strongly match a classic vintage Coach model",
        "photos 4-5: interior and exterior zipper pulls show no legible Coach marking",
        "photo 6: modern-style base feet and finished edges are inconsistent with the strongest vintage Coach indicators",
        "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
        "photo 1-4: slouchy snap-side hobo with exterior zip pocket and thin flat shoulder straps does not match any vintage Coach catalog silhouette",
        "photo 5: thin coated material with sheen and peeling\/flaking at zipper ends inconsistent with glove-tanned cowhide",
        "photo 1,3,5: bright gold-tone plated hardware, modern rectangular zipper pulls, magnetic snaps - not solid brass vintage hardware",
        "photo 2-3: painted edges and contrast light stitching, thin unstructured body - modern fast-fashion construction"
    ],
    "missing_information": [
        "Straight-on photograph of the entire interior emptied, including the back wall and all pockets",
        "Close-up of any interior leather patch, fabric label, or seam tag",
        "Close-ups of every zipper pull and hardware piece for maker markings",
        "Seller-stated dimensions, material composition, and country of manufacture",
        "photo of interior lining emptied and any interior leather patch or fabric tags",
        "close-up of hardware stamps on zipper pulls and rivets",
        "close-up of material edge to confirm faux vs leather"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the supplied photos; the bag therefore resembles a modern unbranded or other-brand leather bag rather than an identifiable Coach product",
        "The visible construction provides no internally consistent Coach-era evidence; this is not sufficient to establish a replica, but Coach manufacture is unlikely"
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the Coach probability is below 0.10 and no Coach identifier is visible.",
        "The large soft shoulder-bag silhouette and exterior zip pocket are generic and shared by many modern leather brands.",
        "Condition: Very Good based on visible intact structure and stitching, with noticeable creasing and possible discoloration or wear around zipper hardware; interior odor, mold, and hidden damage are unknown.",
        "No Coach identifier visible in any photo so no Coach model can be ranked",
        "Silhouette, thin straps, exterior zip, plated hardware and coated peeling material point to modern non-Coach fast-fashion hobo",
        "Condition: Good to Very Good with wear\/peeling at zip ends (photo 5), otherwise intact; bottom feet intact (photo 6)"
    ],
    "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: multiple round metal snaps and strap fittings are visible; photos 3-5: zipper hardware and four bottom feet are visible. No legible brand engraving; finish appears mixed or difficult to determine under lighting.",
        "leather_description": "photos 1-6: olive green smooth, somewhat glossy leather or leather-like material with visible creasing and soft slouching; exact material cannot be confirmed from photos.",
        "lining_description": "photo 4: interior appears leather or leather-like and includes zip compartments; full lining and labels are not shown clearly.",
        "strap_construction": "photos 1-4: two adjustable-looking shoulder straps with stitched edges, metal fittings, and long leather tie details; complete strap construction is not fully shown.",
        "stitching_description": "photos 1-6: generally even double-row stitching with contrasting lighter thread; some zipper-edge areas show wear or discoloration."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.002,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.06,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.05,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather shoulder handbag with substantial construction and multiple pockets",
                    "photo 4: exterior zip pocket and interior compartments are visible"
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage, or leather Coach hangtag",
                    "photos 1-4: silhouette, exposed metal snaps, zipper construction, and mixed-looking hardware do not strongly match a classic vintage Coach model",
                    "photos 4-5: interior and exterior zipper pulls show no legible Coach marking",
                    "photo 6: modern-style base feet and finished edges are inconsistent with the strongest vintage Coach indicators"
                ],
                "missing_information": [
                    "Straight-on photograph of the entire interior emptied, including the back wall and all pockets",
                    "Close-up of any interior leather patch, fabric label, or seam tag",
                    "Close-ups of every zipper pull and hardware piece for maker markings",
                    "Seller-stated dimensions, material composition, and country of manufacture"
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the supplied photos; the bag therefore resembles a modern unbranded or other-brand leather bag rather than an identifiable Coach product",
                    "The visible construction provides no internally consistent Coach-era evidence; this is not sufficient to establish a replica, but Coach manufacture is unlikely"
                ],
                "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: multiple round metal snaps and strap fittings are visible; photos 3-5: zipper hardware and four bottom feet are visible. No legible brand engraving; finish appears mixed or difficult to determine under lighting.",
                    "leather_description": "photos 1-6: olive green smooth, somewhat glossy leather or leather-like material with visible creasing and soft slouching; exact material cannot be confirmed from photos.",
                    "lining_description": "photo 4: interior appears leather or leather-like and includes zip compartments; full lining and labels are not shown clearly.",
                    "strap_construction": "photos 1-4: two adjustable-looking shoulder straps with stitched edges, metal fittings, and long leather tie details; complete strap construction is not fully shown.",
                    "stitching_description": "photos 1-6: generally even double-row stitching with contrasting lighter thread; some zipper-edge areas show wear or discoloration."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the Coach probability is below 0.10 and no Coach identifier is visible.",
                    "The large soft shoulder-bag silhouette and exterior zip pocket are generic and shared by many modern leather brands.",
                    "Condition: Very Good based on visible intact structure and stitching, with noticeable creasing and possible discoloration or wear around zipper hardware; interior odor, mold, and hidden damage are unknown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 20,
                "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": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining emptied and any interior leather patch or fabric tags",
                    "close-up of hardware stamps on zipper pulls and rivets",
                    "close-up of material edge to confirm faux vs leather"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, horse-and-carriage, or hangtag visible",
                    "photo 1-4: slouchy snap-side hobo with exterior zip pocket and thin flat shoulder straps does not match any vintage Coach catalog silhouette",
                    "photo 5: thin coated material with sheen and peeling\/flaking at zipper ends inconsistent with glove-tanned cowhide",
                    "photo 1,3,5: bright gold-tone plated hardware, modern rectangular zipper pulls, magnetic snaps - not solid brass vintage hardware",
                    "photo 2-3: painted edges and contrast light stitching, thin unstructured body - modern fast-fashion construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone plated hardware: large dome rivets\/snaps at top sides, small base feet, modern rectangular zipper pulls, no COACH stamping visible",
                    "leather_description": "olive-taupe smooth material with sheen and creasing, looks like coated faux\/PU; peeling at exterior zip ends in photo 5",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast stitching, straight but with loose\/worn areas at zip ends; center seam on body",
                    "strap_construction": "two thin flat shoulder straps sewn to body with square stitched tabs, plus thin drawstring ties at sides",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo so no Coach model can be ranked",
                    "Silhouette, thin straps, exterior zip, plated hardware and coated peeling material point to modern non-Coach fast-fashion hobo",
                    "Condition: Good to Very Good with wear\/peeling at zip ends (photo 5), otherwise intact; bottom feet intact (photo 6)"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18097,
            "output_tokens": 871,
            "total_tokens": 18968,
            "estimated_cost_usd": 0.009329
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18648,
            "output_tokens": 1139,
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            "estimated_cost_usd": 0.004641
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}