Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.75,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.885,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 52.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: the listing clearly shows a mixed lot of nine handbags, including fabric, patterned textile, vinyl-looking and synthetic-looking bags.",
        "photo 2: several bags have ordinary rectangular decorative metal plaques, but no legible COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag is visible.",
        "photo 6: the black-and-white repeating motif is not the paired, symmetric Coach Signature C pattern; it appears to be a different geometric monogram.",
        "photo 4: the floral quilted fabric bags and their construction are consistent with mass-market fabric handbags rather than vintage Coach glove-tanned leather."
    ],
    "negative_evidence": [
        "photo 1: most of the lot is fabric, quilted textile, or glossy synthetic-looking material, not vintage Coach glove-tanned leather.",
        "photo 1: the visible metal decorations are generic plaques or circular emblems rather than Coach's documented vintage identifiers.",
        "photo 2: the close view of the brown\/black synthetic-looking bags shows no Coach branding or creed.",
        "photo 5: the visible black bag has a decorative circular monogram-like charm, not a Coach turnlock or horse-and-carriage mark.",
        "photo 6: the repeating black-and-white textile pattern does not resemble Coach Signature C canvas and lacks a visible Coach label.",
        "photo 1,3,4: 4 bags are quilted floral\/paisley fabric satchels - nylon\/cotton, not Coach glove-tanned leather",
        "photo 1,3,5,6: remaining bags are vinyl\/faux-leather and coated fabric with silver-tone zippers, not solid brass vintage hardware",
        "photo 1,2,3,5,6: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible on any bag",
        "photo 5: brown bag has round CL charm, photo 2,6: geometric-print bags have rectangular non-Coach brand plates - consistent with CL America \/ department-store brands per title",
        "photo 1-6: no unlined glove-tanned leather, no brass turnlock geometry, no creed patch visible"
    ],
    "missing_information": [
        "photo 1: individual interiors, sewn-in labels, and any brand tags for all nine bags are not shown.",
        "photo 1: no close-up of the reverse of the decorative plaques, zipper pulls, or interior labels is provided.",
        "photo 1: bottoms, corners, and full strap attachment details for every bag are not shown.",
        "photo 1: seller-stated brand information for the two bags described as CL America is not enough to identify the other bags.",
        "interiors \/ creed patches not shown for any bag in lot",
        "close-up of hardware stamps \/ brand plates not shown",
        "bottom \/ corners \/ condition details not shown for individual bags"
    ],
    "authenticity_concerns": [
        "photo 6: the all-over geometric motif could be mistaken for a designer monogram, but it is not visibly Coach Signature C and should not be treated as Coach evidence.",
        "photo 1: the lot contains materials and construction inconsistent with the classic vintage Coach population; any unseen Coach claim would require a specific interior identifier."
    ],
    "possible_model_reasoning": [
        "photo 1: no bag has the silhouette, material, and visible identifiers needed to support a vintage Coach model assignment.",
        "photo 6: the geometric textile bag is not a recognizable Coach Signature C model from the visible pattern and trim.",
        "photo 1: condition appears roughly Good to Very Good overall from visible surface wear and creasing, but a lot-level grade is limited by missing interiors and bottoms.",
        "Multi-bag lot of 9 modern fabric and vinyl bags; none shows Coach hard identifiers, materials, hardware or silhouette; no Coach model can be ranked; Condition: Good to Very Good as group lot based on exterior appearance only, interiors\/bottoms not shown"
    ],
    "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: assorted shiny silver-tone and gold-tone zipper hardware, decorative plaques, rings, and a circular emblem; no Coach-specific hardware is legible.",
        "leather_description": "photo 1: several bags appear to use vinyl, faux leather, or thin glossy synthetic material; the others are quilted or patterned fabric. Natural glove-tanned leather is not visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: multiple fabric handles and adjustable-looking synthetic shoulder straps are visible; exact attachment construction varies and is not fully shown.",
        "stitching_description": "photo 1: visible machine stitching is generally even but appears typical of mass-market textile or synthetic bags; detailed stress-point stitching is not assessable for every item."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0035,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: the listing clearly shows a mixed lot of nine handbags, including fabric, patterned textile, vinyl-looking and synthetic-looking bags.",
                    "photo 2: several bags have ordinary rectangular decorative metal plaques, but no legible COACH wordmark, horse-and-carriage, creed patch, or Coach hangtag is visible.",
                    "photo 6: the black-and-white repeating motif is not the paired, symmetric Coach Signature C pattern; it appears to be a different geometric monogram.",
                    "photo 4: the floral quilted fabric bags and their construction are consistent with mass-market fabric handbags rather than vintage Coach glove-tanned leather."
                ],
                "negative_evidence": [
                    "photo 1: most of the lot is fabric, quilted textile, or glossy synthetic-looking material, not vintage Coach glove-tanned leather.",
                    "photo 1: the visible metal decorations are generic plaques or circular emblems rather than Coach's documented vintage identifiers.",
                    "photo 2: the close view of the brown\/black synthetic-looking bags shows no Coach branding or creed.",
                    "photo 5: the visible black bag has a decorative circular monogram-like charm, not a Coach turnlock or horse-and-carriage mark.",
                    "photo 6: the repeating black-and-white textile pattern does not resemble Coach Signature C canvas and lacks a visible Coach label."
                ],
                "missing_information": [
                    "photo 1: individual interiors, sewn-in labels, and any brand tags for all nine bags are not shown.",
                    "photo 1: no close-up of the reverse of the decorative plaques, zipper pulls, or interior labels is provided.",
                    "photo 1: bottoms, corners, and full strap attachment details for every bag are not shown.",
                    "photo 1: seller-stated brand information for the two bags described as CL America is not enough to identify the other bags."
                ],
                "authenticity_concerns": [
                    "photo 6: the all-over geometric motif could be mistaken for a designer monogram, but it is not visibly Coach Signature C and should not be treated as Coach evidence.",
                    "photo 1: the lot contains materials and construction inconsistent with the classic vintage Coach population; any unseen Coach claim would require a specific interior identifier."
                ],
                "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: assorted shiny silver-tone and gold-tone zipper hardware, decorative plaques, rings, and a circular emblem; no Coach-specific hardware is legible.",
                    "leather_description": "photo 1: several bags appear to use vinyl, faux leather, or thin glossy synthetic material; the others are quilted or patterned fabric. Natural glove-tanned leather is not visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: multiple fabric handles and adjustable-looking synthetic shoulder straps are visible; exact attachment construction varies and is not fully shown.",
                    "stitching_description": "photo 1: visible machine stitching is generally even but appears typical of mass-market textile or synthetic bags; detailed stress-point stitching is not assessable for every item."
                },
                "possible_model_reasoning": [
                    "photo 1: no bag has the silhouette, material, and visible identifiers needed to support a vintage Coach model assignment.",
                    "photo 6: the geometric textile bag is not a recognizable Coach Signature C model from the visible pattern and trim.",
                    "photo 1: condition appears roughly Good to Very Good overall from visible surface wear and creasing, but a lot-level grade is limited by missing interiors and bottoms."
                ],
                "confidence": 0.92,
                "recommended_max_bid": 12,
                "estimated_resale_low": 5,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 60,
                "estimated_resale_low": 20,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interiors \/ creed patches not shown for any bag in lot",
                    "close-up of hardware stamps \/ brand plates not shown",
                    "bottom \/ corners \/ condition details not shown for individual bags"
                ],
                "negative_evidence": [
                    "photo 1,3,4: 4 bags are quilted floral\/paisley fabric satchels - nylon\/cotton, not Coach glove-tanned leather",
                    "photo 1,3,5,6: remaining bags are vinyl\/faux-leather and coated fabric with silver-tone zippers, not solid brass vintage hardware",
                    "photo 1,2,3,5,6: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible on any bag",
                    "photo 5: brown bag has round CL charm, photo 2,6: geometric-print bags have rectangular non-Coach brand plates - consistent with CL America \/ department-store brands per title",
                    "photo 1-6: no unlined glove-tanned leather, no brass turnlock geometry, no creed patch visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone and gold-tone zip pulls and zip tracks visible; rectangular brand plates on two bags; no solid brass turnlock, buckle or dogleash clips visible",
                    "leather_description": "no glove-tanned leather visible; bags appear quilted cotton\/polyester fabric and smooth vinyl\/faux leather with sheen",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "quilted diamond machine stitching on fabric bags; straight machine topstitching on vinyl bags; no tight matched leather stitching detail visible",
                    "strap_construction": "fabric shoulder straps on quilted bags; faux-leather shoulder straps with metal rings on vinyl bags",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Multi-bag lot of 9 modern fabric and vinyl bags; none shows Coach hard identifiers, materials, hardware or silhouette; no Coach model can be ranked; Condition: Good to Very Good as group lot based on exterior appearance only, interiors\/bottoms not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
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        },
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            "model_name": "meta:muse-spark-1.3-contributor",
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}