Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.84,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.93,
    "recommended_max_bid": 12,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has a large repeated CHCH monogram rather than Coach's paired-C Signature pattern or a Coach wordmark.",
        "photo 1: The front closure is a decorative gold-tone padlock marked CH\/HC, not a classic Coach turnlock.",
        "photo 2: The attached leather tag appears to read CHCH, not COACH.",
        "photo 6: Seller title states 2024 and the product is presented as a new modern crossbody, inconsistent with a vintage Coach item.",
        "photo 1: all-over CHHC lettering is not Coach C-pair signature canvas and not Coach wordmark",
        "photo 1,4,6: padlock closure stamped CH HC, not Coach turnlock geometry and not Coach-marked",
        "photo 1-6: no creed patch, no Coach leather hangtag, no horse-and-carriage visible",
        "photo 1,2,4: bright gold-tone plated hardware, base feet and dogleash clips unlike vintage solid brass",
        "photo 1,4,6: wide white woven adjustable crossbody strap with contrast stitching, not vintage Coach leather strap",
        "photo 5: catalog-style size reference graphic and multiple colorways indicates new mass-produced fast-fashion listing"
    ],
    "missing_information": [
        "photo 3: Interior view, including any brand label, creed patch, and fabric tags, is not provided.",
        "photo 4: Close-up of zipper or hardware markings is not provided.",
        "photo 5: Material composition and country-of-origin tag are not shown.",
        "photo 6: Bottom, interior, and strap construction views are limited; odor and actual material quality cannot be assessed.",
        "photo 1-6: no interior view shown, lining and creed pocket unknown",
        "photo 1-6: no creed patch shown to transcribe",
        "photo 1-6: no Coach wordmark, horse-and-carriage, or serial shown"
    ],
    "authenticity_concerns": [
        "photo 1: The CHCH monogram and CH\/HC padlock appear to be brand-evoking design elements from an unbranded\/lookalike product, not Coach identifiers.",
        "photo 2: The visible tag does not show a Coach wordmark or horse-and-carriage logo.",
        "photo 1: Repeated oversized lettering, decorative padlock hardware, and bright plated gold-tone fittings are inconsistent with a vintage Coach classic."
    ],
    "possible_model_reasoning": [
        "No Coach identifier visible in any photo to decode for model or era",
        "Silhouette is small flap crossbody with padlock and wide webbing strap, inconsistent with any vintage Coach catalog style (City, Willis, Court, Station, Dinky)",
        "Condition appears New from studio photos: uniform color, unmarked hardware, no corner wear (photos 1-4, 6), but interior not shown so grade capped"
    ],
    "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: Bright gold-tone snap hooks, strap adjuster, feet, and a decorative padlock marked CH\/HC; no Coach engraving visible.",
        "leather_description": "photo 1: Smooth, embossed or printed monogrammed material with matching trim; exact material cannot be confirmed from photos.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Detachable wide white woven strap with gold-tone adjuster and clips, plus narrow matching side attachments.",
        "stitching_description": "photos 1-5: Visible contrasting light stitching is generally straight and even around the flap and body."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0012,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.93,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has a large repeated CHCH monogram rather than Coach's paired-C Signature pattern or a Coach wordmark.",
                    "photo 1: The front closure is a decorative gold-tone padlock marked CH\/HC, not a classic Coach turnlock.",
                    "photo 2: The attached leather tag appears to read CHCH, not COACH.",
                    "photo 6: Seller title states 2024 and the product is presented as a new modern crossbody, inconsistent with a vintage Coach item."
                ],
                "missing_information": [
                    "photo 3: Interior view, including any brand label, creed patch, and fabric tags, is not provided.",
                    "photo 4: Close-up of zipper or hardware markings is not provided.",
                    "photo 5: Material composition and country-of-origin tag are not shown.",
                    "photo 6: Bottom, interior, and strap construction views are limited; odor and actual material quality cannot be assessed."
                ],
                "authenticity_concerns": [
                    "photo 1: The CHCH monogram and CH\/HC padlock appear to be brand-evoking design elements from an unbranded\/lookalike product, not Coach identifiers.",
                    "photo 2: The visible tag does not show a Coach wordmark or horse-and-carriage logo.",
                    "photo 1: Repeated oversized lettering, decorative padlock hardware, and bright plated gold-tone fittings are inconsistent with a vintage Coach classic."
                ],
                "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": true,
                    "hardware_description": "photo 1: Bright gold-tone snap hooks, strap adjuster, feet, and a decorative padlock marked CH\/HC; no Coach engraving visible.",
                    "leather_description": "photo 1: Smooth, embossed or printed monogrammed material with matching trim; exact material cannot be confirmed from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Detachable wide white woven strap with gold-tone adjuster and clips, plus narrow matching side attachments.",
                    "stitching_description": "photos 1-5: Visible contrasting light stitching is generally straight and even around the flap and body."
                },
                "possible_model_reasoning": [],
                "confidence": 0.94,
                "recommended_max_bid": 12,
                "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": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: no interior view shown, lining and creed pocket unknown",
                    "photo 1-6: no creed patch shown to transcribe",
                    "photo 1-6: no Coach wordmark, horse-and-carriage, or serial shown"
                ],
                "negative_evidence": [
                    "photo 1: all-over CHHC lettering is not Coach C-pair signature canvas and not Coach wordmark",
                    "photo 1,4,6: padlock closure stamped CH HC, not Coach turnlock geometry and not Coach-marked",
                    "photo 1-6: no creed patch, no Coach leather hangtag, no horse-and-carriage visible",
                    "photo 1,2,4: bright gold-tone plated hardware, base feet and dogleash clips unlike vintage solid brass",
                    "photo 1,4,6: wide white woven adjustable crossbody strap with contrast stitching, not vintage Coach leather strap",
                    "photo 5: catalog-style size reference graphic and multiple colorways indicates new mass-produced fast-fashion listing"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated padlock with CH HC, gold-tone swivel dogleash clips, rectangular slider, and four base feet; shiny plated appearance",
                    "leather_description": "smooth tan\/beige, brown, black, purple coated material with large embossed\/printed CHHC monogram, uniform new appearance",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even light contrast perimeter stitching around flap visible in photos 1-4, 6",
                    "strap_construction": "wide white woven adjustable crossbody strap with gold-tone slider and leather-look ends on swivel clips; detachable",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo to decode for model or era",
                    "Silhouette is small flap crossbody with padlock and wide webbing strap, inconsistent with any vintage Coach catalog style (City, Willis, Court, Station, Dinky)",
                    "Condition appears New from studio photos: uniform color, unmarked hardware, no corner wear (photos 1-4, 6), but interior not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33102,
            "output_tokens": 733,
            "total_tokens": 33835,
            "estimated_cost_usd": 0.015
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35571,
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            "total_tokens": 36772,
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}