Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.69,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.875,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.92,
    "recommended_max_bid": 9,
    "estimated_resale_low": 8,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: interior label clearly reads \"Made in Italy expressly for Lerner Shops,\" identifying a non-Coach retail\/private-label origin.",
        "photo 1: small shoulder handbag silhouette is clearly visible.",
        "photo 3: zipper pull is marked YKK, with no visible Coach branding."
    ],
    "negative_evidence": [
        "photo 1: exterior is metallic gold-and-black crochet\/textile construction, not the glove-tanned leather or Coach signature canvas typical of the relevant vintage Coach population.",
        "photo 2: black textile lining and Lerner Shops label are visible; no Coach creed patch or wordmark is present.",
        "photo 3: visible zipper hardware has a YKK marking and no Coach stamp.",
        "photo 4: close-up shows textile crochet construction rather than leather.",
        "photo 5: front view shows no Coach hangtag, carriage, or other Coach identifier.",
        "photo 1: entire body and strap are black\/gold metallic crochet, not glove-tanned leather",
        "photo 2: white fabric label reads Made in Italy expressly for Lerner Shops - positively identifies non-Coach maker",
        "photo 1, photo 3, photo 4, photo 5, photo 6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 3: brass-tone YKK zipper, no turnlock or solid-brass Coach hardware geometry"
    ],
    "missing_information": [
        "photo 2: no close-up of the full interior compartments or any additional labels beyond the Lerner Shops label.",
        "photo 1: bottom, side seams, and closure construction are not fully documented.",
        "photo 6: measurements are shown, but no seller-stated date or provenance beyond the estate-sale description."
    ],
    "authenticity_concerns": [
        "photo 2: the visible Lerner Shops label conflicts with a Coach attribution; this appears to be a non-Coach private-label bag rather than a Coach item.",
        "photo 1: metallic crochet construction is inconsistent with classic vintage Coach leather handbag construction.",
        "photo 1, photo 4: crochet \/ macrame body construction is excluded material for Coach per triage rule",
        "photo 2: interior label identifies maker as Lerner Shops, inconsistent with Coach manufacture"
    ],
    "possible_model_reasoning": [
        "The bag does not match a recognizable Coach model because it is a small metallic crochet shoulder bag with a Lerner Shops label and no Coach identifiers.",
        "The Made in Italy statement is seller-provided and visually supported by the label, but it does not indicate Coach manufacture.",
        "Condition appears Very Good from the visible photos: intact exterior and strap with no major tears visible; interior and bottom wear are only partially documented.",
        "No Coach model fits: silhouette is small crochet zip-top shoulder pouch, no catalog match in leather classics",
        "Maker positively identified by photo 2 label as Lerner Shops, Made in Italy",
        "Materials and construction exclude Coach: crochet plus fabric lining versus unlined glove-tanned leather and solid brass",
        "Condition: Good to Very Good; crochet appears intact in photos, lining shows age, full condition needs in-hand check"
    ],
    "estimated_era": "unknown",
    "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 3: gold-tone YKK zipper pull and zipper teeth are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: no leather is visible; the exterior appears to be metallic gold-and-black crochet or woven textile.",
        "lining_description": "photo 2: black textile lining is visible.",
        "strap_construction": "photo 1: integrated narrow crocheted\/woven shoulder strap in matching gold-and-black material.",
        "stitching_description": "photo 4: textile crochet\/woven construction is visible; stitching details are limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.68,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: interior label clearly reads \"Made in Italy expressly for Lerner Shops,\" identifying a non-Coach retail\/private-label origin.",
                    "photo 1: small shoulder handbag silhouette is clearly visible.",
                    "photo 3: zipper pull is marked YKK, with no visible Coach branding."
                ],
                "negative_evidence": [
                    "photo 1: exterior is metallic gold-and-black crochet\/textile construction, not the glove-tanned leather or Coach signature canvas typical of the relevant vintage Coach population.",
                    "photo 2: black textile lining and Lerner Shops label are visible; no Coach creed patch or wordmark is present.",
                    "photo 3: visible zipper hardware has a YKK marking and no Coach stamp.",
                    "photo 4: close-up shows textile crochet construction rather than leather.",
                    "photo 5: front view shows no Coach hangtag, carriage, or other Coach identifier."
                ],
                "missing_information": [
                    "photo 2: no close-up of the full interior compartments or any additional labels beyond the Lerner Shops label.",
                    "photo 1: bottom, side seams, and closure construction are not fully documented.",
                    "photo 6: measurements are shown, but no seller-stated date or provenance beyond the estate-sale description."
                ],
                "authenticity_concerns": [
                    "photo 2: the visible Lerner Shops label conflicts with a Coach attribution; this appears to be a non-Coach private-label bag rather than a Coach item.",
                    "photo 1: metallic crochet construction is inconsistent with classic vintage Coach leather handbag construction."
                ],
                "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 3: gold-tone YKK zipper pull and zipper teeth are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: no leather is visible; the exterior appears to be metallic gold-and-black crochet or woven textile.",
                    "lining_description": "photo 2: black textile lining is visible.",
                    "strap_construction": "photo 1: integrated narrow crocheted\/woven shoulder strap in matching gold-and-black material.",
                    "stitching_description": "photo 4: textile crochet\/woven construction is visible; stitching details are limited."
                },
                "possible_model_reasoning": [
                    "The bag does not match a recognizable Coach model because it is a small metallic crochet shoulder bag with a Lerner Shops label and no Coach identifiers.",
                    "The Made in Italy statement is seller-provided and visually supported by the label, but it does not indicate Coach manufacture.",
                    "Condition appears Very Good from the visible photos: intact exterior and strap with no major tears visible; interior and bottom wear are only partially documented."
                ],
                "confidence": 0.92,
                "recommended_max_bid": 8,
                "estimated_resale_low": 8,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 4: crochet \/ macrame body construction is excluded material for Coach per triage rule",
                    "photo 2: interior label identifies maker as Lerner Shops, inconsistent with Coach manufacture"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.85,
                "is_handbag_probability": 0.98,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: entire body and strap are black\/gold metallic crochet, not glove-tanned leather",
                    "photo 2: white fabric label reads Made in Italy expressly for Lerner Shops - positively identifies non-Coach maker",
                    "photo 1, photo 3, photo 4, photo 5, photo 6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 3: brass-tone YKK zipper, no turnlock or solid-brass Coach hardware geometry"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 3: brass-tone zip top with YKK stamped pull; no turnlock, no buckles, no dogleash clips",
                    "leather_description": "photo 1, photo 4: no leather - openwork crochet in black and metallic gold thread",
                    "lining_description": "photo 2: dark woven fabric lining, black\/brown tone",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible as leather stitching - crochet construction only",
                    "strap_construction": "photo 1, photo 5, photo 6: narrow crochet shoulder strap in same gold\/black thread, sewn to body, ~8 in wide bag per tape",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is small crochet zip-top shoulder pouch, no catalog match in leather classics",
                    "Maker positively identified by photo 2 label as Lerner Shops, Made in Italy",
                    "Materials and construction exclude Coach: crochet plus fabric lining versus unlined glove-tanned leather and solid brass",
                    "Condition: Good to Very Good; crochet appears intact in photos, lining shows age, full condition needs in-hand check"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17792,
            "output_tokens": 869,
            "total_tokens": 18661,
            "estimated_cost_usd": 0.009202
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18166,
            "output_tokens": 1614,
            "total_tokens": 19780,
            "estimated_cost_usd": 0.004924
        }
    ]
}