Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.015,
    "vintage_probability": 0.075,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.1,
    "confidence": 0.89,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly shaped as a shoulder handbag with a long crocheted strap.",
        "photo 3: a fabric-lined interior and snap closure are visible."
    ],
    "negative_evidence": [
        "photo 1: the bag is made from multicolored crocheted granny-square textile rather than Coach leather, suede, coated canvas, or signature canvas.",
        "photo 1: no Coach wordmark, horse-and-carriage, leather hangtag, creed patch, or Coach-style hardware is visible.",
        "photo 3: the interior is plain white fabric with a generic snap closure; no Coach label or creed is visible.",
        "photo 4: the visible snap hardware does not show a Coach marking and is not evidence of Coach manufacture.",
        "photo 1: body and strap are crocheted yarn granny squares, not glove-tanned leather",
        "photo 1: no solid brass hardware, no turnlock, no leather hangtag, no COACH wordmark visible",
        "photo 3: white woven fabric lining with silver-tone magnetic snap, not unlined suede interior",
        "photo 3: no leather creed patch visible in interior view"
    ],
    "missing_information": [
        "photo 1: reverse, sides, bottom, and strap attachment details are not fully shown.",
        "photo 3: interior label or sewn-in maker tag is not shown; request a clear photo of all interior seams and pockets.",
        "photo 4: close-up of both sides of the snap and any maker markings would help identify the actual manufacturer."
    ],
    "authenticity_concerns": [
        "The crocheted construction and plain fabric lining are inconsistent with the vintage Coach handbag construction described in the reference catalog.",
        "No Coach identifier is visible in the provided photos; this appears to be an unbranded crocheted bag rather than a Coach item."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the bag is crocheted and lacks Coach identifiers or characteristic leather construction.",
        "Condition: approximately Good to Very Good based on visible intact crochet and strap; interior, odor, and underside wear are not fully assessable.",
        "photo 1-2: crochet\/macrame construction is explicitly excluded as Coach unless identifier visible per skill Step 1; no identifier is visible",
        "photo 3 fabric lining and magnetic snap inconsistent with vintage unlined glove-tanned classic construction",
        "Condition: Good to Very Good as handmade item; no leather wear to grade, yarn appears intact (photo 1)"
    ],
    "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 3: plain circular snap closure visible; photo 4: unbranded metal snap components, with no Coach marking visible.",
        "leather_description": "photo 1: no leather visible; body and strap appear crocheted textile.",
        "lining_description": "photo 3: plain white fabric lining visible.",
        "strap_construction": "photo 1: long, flat crocheted shoulder strap attached directly to the bag body.",
        "stitching_description": "photos 1 and 2: crocheted granny-square construction with visible textile joins; conventional leather-bag stitching is not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0039,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.01,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly shaped as a shoulder handbag with a long crocheted strap.",
                    "photo 3: a fabric-lined interior and snap closure are visible."
                ],
                "negative_evidence": [
                    "photo 1: the bag is made from multicolored crocheted granny-square textile rather than Coach leather, suede, coated canvas, or signature canvas.",
                    "photo 1: no Coach wordmark, horse-and-carriage, leather hangtag, creed patch, or Coach-style hardware is visible.",
                    "photo 3: the interior is plain white fabric with a generic snap closure; no Coach label or creed is visible.",
                    "photo 4: the visible snap hardware does not show a Coach marking and is not evidence of Coach manufacture."
                ],
                "missing_information": [
                    "photo 1: reverse, sides, bottom, and strap attachment details are not fully shown.",
                    "photo 3: interior label or sewn-in maker tag is not shown; request a clear photo of all interior seams and pockets.",
                    "photo 4: close-up of both sides of the snap and any maker markings would help identify the actual manufacturer."
                ],
                "authenticity_concerns": [
                    "The crocheted construction and plain fabric lining are inconsistent with the vintage Coach handbag construction described in the reference catalog.",
                    "No Coach identifier is visible in the provided photos; this appears to be an unbranded crocheted bag rather than a Coach item."
                ],
                "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: plain circular snap closure visible; photo 4: unbranded metal snap components, with no Coach marking visible.",
                    "leather_description": "photo 1: no leather visible; body and strap appear crocheted textile.",
                    "lining_description": "photo 3: plain white fabric lining visible.",
                    "strap_construction": "photo 1: long, flat crocheted shoulder strap attached directly to the bag body.",
                    "stitching_description": "photos 1 and 2: crocheted granny-square construction with visible textile joins; conventional leather-bag stitching is not visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the bag is crocheted and lacks Coach identifiers or characteristic leather construction.",
                    "Condition: approximately Good to Very Good based on visible intact crochet and strap; interior, odor, and underside wear are not fully assessable."
                ],
                "confidence": 0.93,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: body and strap are crocheted yarn granny squares, not glove-tanned leather",
                    "photo 1: no solid brass hardware, no turnlock, no leather hangtag, no COACH wordmark visible",
                    "photo 3: white woven fabric lining with silver-tone magnetic snap, not unlined suede interior",
                    "photo 3: no leather creed patch visible in interior view"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 3: silver-tone magnetic snap closure only; no brass turnlock, buckles, or zippers visible",
                    "leather_description": "photo 1-2: no leather; white and multicolor crocheted yarn granny-square construction",
                    "lining_description": "photo 3: plain white woven fabric lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible as leather stitching; crochet joins between yarn squares only",
                    "strap_construction": "photo 1-2: narrow crocheted yarn shoulder strap continuous with body, no leather, no buckle or clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1-2: crochet\/macrame construction is explicitly excluded as Coach unless identifier visible per skill Step 1; no identifier is visible",
                    "photo 3 fabric lining and magnetic snap inconsistent with vintage unlined glove-tanned classic construction",
                    "Condition: Good to Very Good as handmade item; no leather wear to grade, yarn appears intact (photo 1)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 22516,
            "output_tokens": 702,
            "total_tokens": 23218,
            "estimated_cost_usd": 0.010691
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 23572,
            "output_tokens": 1237,
            "total_tokens": 24809,
            "estimated_cost_usd": 0.005704
        }
    ]
}