Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.01,
    "vintage_probability": 0.19,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.85,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.94,
    "recommended_max_bid": 10,
    "estimated_resale_low": 11.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed from crocheted granny-square yarn panels rather than Coach leather, coated canvas, or signature materials",
        "photo 4: interior is visibly fabric-lined with a small snap closure and no Coach creed patch or fabric brand tag",
        "photos 1-7: no legible COACH wordmark, horse-and-carriage mark, leather hangtag, serial\/style number, or Coach-specific hardware is visible",
        "photos 1-7: handmade crochet construction and floral color pattern do not correspond to the listed vintage Coach handbag construction",
        "photo 1: hand-crocheted yarn granny-square body, not glove-tanned leather",
        "photo 1,2,3,5,6: no solid brass hardware, no turnlock, no buckles, no D-rings",
        "photo 4: fabric lining with sewn pocket and plastic snap, not unlined suede interior",
        "photo 1-6: no creed patch, no COACH wordmark, no hangtag, no horse-and-carriage visible",
        "photo 1-6: crochet\/macrame construction is explicit exclusion material for vintage Coach"
    ],
    "missing_information": [
        "photo 4: interior back wall and pocket should be photographed closely to confirm there is no hidden brand label",
        "photo 1: close-ups of all closures and attachments would document the handmade construction",
        "seller-stated materials, measurements, and approximate date are not independently verifiable from the listing",
        "No Coach identifiers to request; bag is clearly non-Coach handmade crochet"
    ],
    "authenticity_concerns": [
        "photos 1-7: no Coach identifiers or construction cues are present; this appears to be a handmade or unbranded crochet bag rather than a Coach product"
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a soft handmade shoulder\/tote bag, not a catalogued Coach leather model",
        "photo 4: fabric lining and snap closure further support an unbranded textile construction",
        "photo 1: seller's 'vintage' wording is not enough to establish a pre-2000 date; condition appears approximately Good to Very Good because the crochet is intact overall but loose fibers and discoloration\/staining are visible in the lining (photo 4)",
        "price basis: generic handmade crochet bags of this type typically have a low secondhand resale range rather than a Coach premium",
        "No Coach catalog silhouette matches a crocheted granny-square bag; construction, material and hardware are inconsistent with all Coach eras",
        "Condition: Good to Very Good handmade condition; yarn appears intact with no major stains visible in photo 1,3; lining clean in photo 4"
    ],
    "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 4: small dark snap closure is visible inside; no vintage Coach brass turnlock, zipper, or branded hardware is visible",
        "leather_description": "not_visible; exterior is crocheted yarn\/textile rather than leather",
        "lining_description": "photo 4: light-colored fabric lining with a contrasting interior pocket is visible; no brand label is apparent",
        "strap_construction": "photos 1-3: long crocheted shoulder strap appears integrated with or attached to the crocheted body; no leather strap or brass clip hardware is visible",
        "stitching_description": "photos 1, 6, and 7: handmade crochet stitches and granny-square motifs are visible; conventional leather-bag stitching is not present"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0025,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed from crocheted granny-square yarn panels rather than Coach leather, coated canvas, or signature materials",
                    "photo 4: interior is visibly fabric-lined with a small snap closure and no Coach creed patch or fabric brand tag",
                    "photos 1-7: no legible COACH wordmark, horse-and-carriage mark, leather hangtag, serial\/style number, or Coach-specific hardware is visible",
                    "photos 1-7: handmade crochet construction and floral color pattern do not correspond to the listed vintage Coach handbag construction"
                ],
                "missing_information": [
                    "photo 4: interior back wall and pocket should be photographed closely to confirm there is no hidden brand label",
                    "photo 1: close-ups of all closures and attachments would document the handmade construction",
                    "seller-stated materials, measurements, and approximate date are not independently verifiable from the listing"
                ],
                "authenticity_concerns": [
                    "photos 1-7: no Coach identifiers or construction cues are present; this appears to be a handmade or unbranded crochet bag rather than a Coach product"
                ],
                "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 4: small dark snap closure is visible inside; no vintage Coach brass turnlock, zipper, or branded hardware is visible",
                    "leather_description": "not_visible; exterior is crocheted yarn\/textile rather than leather",
                    "lining_description": "photo 4: light-colored fabric lining with a contrasting interior pocket is visible; no brand label is apparent",
                    "strap_construction": "photos 1-3: long crocheted shoulder strap appears integrated with or attached to the crocheted body; no leather strap or brass clip hardware is visible",
                    "stitching_description": "photos 1, 6, and 7: handmade crochet stitches and granny-square motifs are visible; conventional leather-bag stitching is not present"
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a soft handmade shoulder\/tote bag, not a catalogued Coach leather model",
                    "photo 4: fabric lining and snap closure further support an unbranded textile construction",
                    "photo 1: seller's 'vintage' wording is not enough to establish a pre-2000 date; condition appears approximately Good to Very Good because the crochet is intact overall but loose fibers and discoloration\/staining are visible in the lining (photo 4)",
                    "price basis: generic handmade crochet bags of this type typically have a low secondhand resale range rather than a Coach premium"
                ],
                "confidence": 0.93,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach identifiers to request; bag is clearly non-Coach handmade crochet"
                ],
                "negative_evidence": [
                    "photo 1: hand-crocheted yarn granny-square body, not glove-tanned leather",
                    "photo 1,2,3,5,6: no solid brass hardware, no turnlock, no buckles, no D-rings",
                    "photo 4: fabric lining with sewn pocket and plastic snap, not unlined suede interior",
                    "photo 1-6: no creed patch, no COACH wordmark, no hangtag, no horse-and-carriage visible",
                    "photo 1-6: crochet\/macrame construction is explicit exclusion material for vintage Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 4: single dark plastic snap closure; no brass turnlock, zipper, or strap hardware visible",
                    "leather_description": "photo 1,2,3,5,6: no leather; white\/yellow\/green acrylic-type crocheted yarn in granny-square pattern",
                    "lining_description": "photo 4: yellow printed fabric lining with sage-green slip pocket",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1,3,5: crochet loops only; no leather stitching to assess",
                    "strap_construction": "photo 1,2,3: integrated crocheted yarn shoulder strap in matching white\/yellow\/green yarn, no buckle or clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches a crocheted granny-square bag; construction, material and hardware are inconsistent with all Coach eras",
                    "Condition: Good to Very Good handmade condition; yarn appears intact with no major stains visible in photo 1,3; lining clean in photo 4"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.01,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
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            "estimated_cost_usd": 0.013618
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            "model_name": "meta:muse-spark-1.3-contributor",
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}