Vintage Coach Hunter

{
    "is_handbag_probability": 0.035,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.91,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 26.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: listing shows a lot of six detachable purse straps rather than a handbag.",
        "photo 1: several straps are visibly woven or synthetic textile, including floral and geometric patterned webbing, which is inconsistent with classic vintage Coach handbag construction.",
        "photo 1: no Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or recognizable Coach handbag is visible.",
        "photos 2-5: hardware appears generic and includes mixed strap materials and finishes; no Coach-specific marking is visible.",
        "photo 1, photo 2: object is a lot of six detachable shoulder straps laid on table, no handbag body present",
        "photo 2, photo 4: wide woven fabric guitar-style straps with floral and geometric diamond prints - not Coach glove-tanned leather and not a Coach silhouette",
        "photo 1, photo 3: thin faux-leather \/ coated straps with modern lobster-claw swivel clips and plated gold-tone hardware, not vintage solid brass",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1: no actual handbag is included or shown, so handbag model and interior identifiers cannot be assessed.",
        "close-up photos of both sides of every strap clasp and any sewn-in labels or stamps would be needed to investigate brand attribution.",
        "seller-stated material, dimensions, and source of the straps are not provided.",
        "No handbag present in any photo - only six loose replacement straps",
        "No creed patch, Coach wordmark, hangtag, or turnlock to examine",
        "No leather handbag body, lining, or construction to assess"
    ],
    "authenticity_concerns": [
        "photos 1-5: this appears to be an unbranded accessory lot, not a Coach product; there is no visible evidence of Coach manufacture.",
        "photos 1-5: patterned textile straps and generic hardware provide no basis to connect the lot to vintage Coach."
    ],
    "possible_model_reasoning": [
        "No Coach handbag model can be matched because the listing contains straps only and no bag silhouette, closure, creed, or style number.",
        "photos 1-5: the modern textile designs, generic adjusters, and accessory-lot presentation support a modern non-Coach classification.",
        "Condition: approximately Very Good based on visible intact straps and hardware; minor creasing or surface wear is visible on some straps, but full functional and underside inspection is unavailable.",
        "No Coach model fits - object is accessory straps only, not a handbag; no creed, wordmark, turnlock, or glove-tanned construction to decode for era\/model",
        "Condition: not applicable - no handbag to grade; straps appear used but intact"
    ],
    "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: multiple detachable swivel clasps, rectangular adjusters, D-rings, buckles, and rivet-like fasteners; no branding is legible.",
        "leather_description": "photos 1-5: some straps have narrow leather-like or coated trim sections, but most visible surfaces are woven or synthetic-looking textile; material cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-5: six adjustable detachable purse straps, including brown, floral, geometric patterned, tan, and green straps, with stitched or riveted end tabs and swivel clasps.",
        "stitching_description": "photos 3-5: visible stitching appears generally machine-sewn and even on the strap edges; no Coach-specific construction feature is visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0005,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.05,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: listing shows a lot of six detachable purse straps rather than a handbag.",
                    "photo 1: several straps are visibly woven or synthetic textile, including floral and geometric patterned webbing, which is inconsistent with classic vintage Coach handbag construction.",
                    "photo 1: no Coach wordmark, horse-and-carriage mark, creed patch, serial\/style number, or recognizable Coach handbag is visible.",
                    "photos 2-5: hardware appears generic and includes mixed strap materials and finishes; no Coach-specific marking is visible."
                ],
                "missing_information": [
                    "photo 1: no actual handbag is included or shown, so handbag model and interior identifiers cannot be assessed.",
                    "close-up photos of both sides of every strap clasp and any sewn-in labels or stamps would be needed to investigate brand attribution.",
                    "seller-stated material, dimensions, and source of the straps are not provided."
                ],
                "authenticity_concerns": [
                    "photos 1-5: this appears to be an unbranded accessory lot, not a Coach product; there is no visible evidence of Coach manufacture.",
                    "photos 1-5: patterned textile straps and generic hardware provide no basis to connect the lot to vintage Coach."
                ],
                "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: multiple detachable swivel clasps, rectangular adjusters, D-rings, buckles, and rivet-like fasteners; no branding is legible.",
                    "leather_description": "photos 1-5: some straps have narrow leather-like or coated trim sections, but most visible surfaces are woven or synthetic-looking textile; material cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-5: six adjustable detachable purse straps, including brown, floral, geometric patterned, tan, and green straps, with stitched or riveted end tabs and swivel clasps.",
                    "stitching_description": "photos 3-5: visible stitching appears generally machine-sewn and even on the strap edges; no Coach-specific construction feature is visible."
                },
                "possible_model_reasoning": [
                    "No Coach handbag model can be matched because the listing contains straps only and no bag silhouette, closure, creed, or style number.",
                    "photos 1-5: the modern textile designs, generic adjusters, and accessory-lot presentation support a modern non-Coach classification.",
                    "Condition: approximately Very Good based on visible intact straps and hardware; minor creasing or surface wear is visible on some straps, but full functional and underside inspection is unavailable."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 18,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.02,
                "missing_information": [
                    "No handbag present in any photo - only six loose replacement straps",
                    "No creed patch, Coach wordmark, hangtag, or turnlock to examine",
                    "No leather handbag body, lining, or construction to assess"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: object is a lot of six detachable shoulder straps laid on table, no handbag body present",
                    "photo 2, photo 4: wide woven fabric guitar-style straps with floral and geometric diamond prints - not Coach glove-tanned leather and not a Coach silhouette",
                    "photo 1, photo 3: thin faux-leather \/ coated straps with modern lobster-claw swivel clips and plated gold-tone hardware, not vintage solid brass",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "modern gold-tone and silver-tone lobster-claw swivel clips, rectangular rings and slider buckles; plated, not vintage solid brass; no COACH stamping visible",
                    "leather_description": "no handbag leather present; straps appear to be faux-leather \/ coated material and woven nylon\/canvas with floral and geometric prints",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching on faux-leather straps visible in photo 3; no handbag stitching to assess",
                    "strap_construction": "six separate adjustable replacement shoulder\/crossbody straps with clip ends; fabric guitar straps and faux-leather straps, not attached to any bag",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits - object is accessory straps only, not a handbag; no creed, wordmark, turnlock, or glove-tanned construction to decode for era\/model",
                    "Condition: not applicable - no handbag to grade; straps appear used but intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 715,
            "total_tokens": 24929,
            "estimated_cost_usd": 0.011402
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25183,
            "output_tokens": 1366,
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}