Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.02,
    "vintage_probability": 0.315,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.855,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Structured handbag with leather trim and shoulder strap is clearly visible.",
        "photo 3: Interior has a sewn-in rectangular label, but no legible COACH wordmark or creed is visible.",
        "photo 4: Woven natural-fiber upper with leather trim is visible."
    ],
    "negative_evidence": [
        "photo 1: Woven straw\/raffia-like construction is not typical of vintage Coach glove-tanned leather handbags.",
        "photo 3: Interior uses a colorful printed textile lining, with no visible Coach creed patch or Coach-branded fabric label.",
        "photo 4: Closure appears to be a small magnetic snap rather than a vintage Coach turnlock.",
        "photo 2: Visible side construction and leather heart-shaped decorative detail do not correspond to a recognizable Coach classic model.",
        "photos 1-6: No Coach wordmark, horse-and-carriage, leather hangtag, or recognizable Coach identifier is visible.",
        "photo 1, photo 2, photo 5: body is woven straw\/jute with leather trim, not glove-tanned leather - straw\/macrame material caps coach_probability per skill",
        "photo 3: interior has printed batik-style fabric lining with sewn fabric brand label reading 'island' with fish graphic, not unlined suede-back glove-tanned with leather creed patch",
        "photo 3, photo 6: lined interior with zip pocket and divider, inconsistent with unlined vintage Coach classics",
        "photo 4, photo 6: closure is magnetic snap on leather tab, no turnlock present",
        "photo 1-6: no COACH wordmark, lozenge, creed patch, or hangtag visible in any view"
    ],
    "missing_information": [
        "A straight-on photo of the interior label with the brand text fully legible.",
        "A full front, back, bottom, and strap view.",
        "Close-up photos of any zipper pulls, hardware markings, or additional interior tags.",
        "Seller-stated measurements and confirmation of the material used for the woven upper.",
        "No Coach creed or serial to decode - interior shows alternate brand label instead (photo 3)",
        "No Coach hangtag, wordmark, or horse-and-carriage to verify",
        "No hardware close-up of zipper brand stamp"
    ],
    "authenticity_concerns": [
        "The bag appears to be a generic woven-fiber and leather handbag rather than a Coach product.",
        "The printed lining and woven construction are inconsistent with the classic unlined glove-tanned leather Coach styles suggested by the vintage context.",
        "The interior label is too blurred to identify, and no Coach identifier is visible in the available photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match from the visible construction. The woven upper, printed lining, magnetic snap, and decorative heart detail point to a non-Coach woven bucket or structured handbag.",
        "Condition: Very Good based on the visible intact leather trim and woven panels, with some edge wear and surface marks; interior and full bottom condition are not completely shown, so the assessment is limited.",
        "No Coach model fits: woven straw body + fabric lining + magnetic snap + island brand label excludes all glove-tanned classic catalog styles (City Bag, Willis, Court, Station, Duffle Sac)",
        "Interior label in photo 3 identifies alternate maker, consistent with 1980s-1990s resort\/safari straw-leather bags, not Coach",
        "Condition: Very Good; leather trim shows light wear and patina but no corner blowout (photo 2, photo 5), straw intact, lining clean (photo 3), magnetic snap functional"
    ],
    "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": "Small round magnetic snap visible in photos 4 and 6; no Coach engraving is visible. Additional hardware is not clearly shown.",
        "leather_description": "Brown leather trim, strap, and structural accents are visible; upper appears to be woven natural fiber rather than leather.",
        "lining_description": "Colorful printed textile lining with an interior zip pocket\/divider is visible in photos 3 and 6; brand text on the small label is not legible.",
        "strap_construction": "Brown leather shoulder strap is partially visible; full length, adjustment hardware, and attachment details are not shown.",
        "stitching_description": "Dark contrasting stitching is visible around leather trim and appliqu\u00e9 edges; overall stitching appears machine-sewn, with some unevenness visible at the side trim."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0032,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Structured handbag with leather trim and shoulder strap is clearly visible.",
                    "photo 3: Interior has a sewn-in rectangular label, but no legible COACH wordmark or creed is visible.",
                    "photo 4: Woven natural-fiber upper with leather trim is visible."
                ],
                "negative_evidence": [
                    "photo 1: Woven straw\/raffia-like construction is not typical of vintage Coach glove-tanned leather handbags.",
                    "photo 3: Interior uses a colorful printed textile lining, with no visible Coach creed patch or Coach-branded fabric label.",
                    "photo 4: Closure appears to be a small magnetic snap rather than a vintage Coach turnlock.",
                    "photo 2: Visible side construction and leather heart-shaped decorative detail do not correspond to a recognizable Coach classic model.",
                    "photos 1-6: No Coach wordmark, horse-and-carriage, leather hangtag, or recognizable Coach identifier is visible."
                ],
                "missing_information": [
                    "A straight-on photo of the interior label with the brand text fully legible.",
                    "A full front, back, bottom, and strap view.",
                    "Close-up photos of any zipper pulls, hardware markings, or additional interior tags.",
                    "Seller-stated measurements and confirmation of the material used for the woven upper."
                ],
                "authenticity_concerns": [
                    "The bag appears to be a generic woven-fiber and leather handbag rather than a Coach product.",
                    "The printed lining and woven construction are inconsistent with the classic unlined glove-tanned leather Coach styles suggested by the vintage context.",
                    "The interior label is too blurred to identify, and no Coach identifier is visible in the available photos."
                ],
                "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": "Small round magnetic snap visible in photos 4 and 6; no Coach engraving is visible. Additional hardware is not clearly shown.",
                    "leather_description": "Brown leather trim, strap, and structural accents are visible; upper appears to be woven natural fiber rather than leather.",
                    "lining_description": "Colorful printed textile lining with an interior zip pocket\/divider is visible in photos 3 and 6; brand text on the small label is not legible.",
                    "strap_construction": "Brown leather shoulder strap is partially visible; full length, adjustment hardware, and attachment details are not shown.",
                    "stitching_description": "Dark contrasting stitching is visible around leather trim and appliqu\u00e9 edges; overall stitching appears machine-sewn, with some unevenness visible at the side trim."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match from the visible construction. The woven upper, printed lining, magnetic snap, and decorative heart detail point to a non-Coach woven bucket or structured handbag.",
                    "Condition: Very Good based on the visible intact leather trim and woven panels, with some edge wear and surface marks; interior and full bottom condition are not completely shown, so the assessment is limited."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.72,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "No Coach creed or serial to decode - interior shows alternate brand label instead (photo 3)",
                    "No Coach hangtag, wordmark, or horse-and-carriage to verify",
                    "No hardware close-up of zipper brand stamp"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 5: body is woven straw\/jute with leather trim, not glove-tanned leather - straw\/macrame material caps coach_probability per skill",
                    "photo 3: interior has printed batik-style fabric lining with sewn fabric brand label reading 'island' with fish graphic, not unlined suede-back glove-tanned with leather creed patch",
                    "photo 3, photo 6: lined interior with zip pocket and divider, inconsistent with unlined vintage Coach classics",
                    "photo 4, photo 6: closure is magnetic snap on leather tab, no turnlock present",
                    "photo 1-6: no COACH wordmark, lozenge, creed patch, or hangtag visible in any view"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone magnetic snap closure (photo 4, photo 6), tarnished; no brass turnlock, no COACH engraving visible",
                    "leather_description": "dark brown smooth leather trim, sides, bottom and accents with woven straw panels (photo 1, photo 2); not glove-tanned full-grain Coach leather",
                    "lining_description": "brown\/orange batik\/paisley printed fabric lining (photo 3, photo 6) with sewn fabric label with fish logo",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark contrast stitching along leather trim, even but utilitarian (photo 1, photo 2); no tight tone-matched Coach classic stitching observed",
                    "strap_construction": "leather top handle plus thin adjustable leather shoulder strap (photo 1, photo 2); attachment via leather loops, no brass dogleash clips or dowel handle",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: woven straw body + fabric lining + magnetic snap + island brand label excludes all glove-tanned classic catalog styles (City Bag, Willis, Court, Station, Duffle Sac)",
                    "Interior label in photo 3 identifies alternate maker, consistent with 1980s-1990s resort\/safari straw-leather bags, not Coach",
                    "Condition: Very Good; leather trim shows light wear and patina but no corner blowout (photo 2, photo 5), straw intact, lining clean (photo 3), magnetic snap functional"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.45
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17740,
            "output_tokens": 850,
            "total_tokens": 18590,
            "estimated_cost_usd": 0.009136
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18075,
            "output_tokens": 1322,
            "total_tokens": 19397,
            "estimated_cost_usd": 0.004673
        }
    ]
}