Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.19,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.79,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.86,
    "recommended_max_bid": 10,
    "estimated_resale_low": 10,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: The item is a small leather-like crossbody handbag with a sewn, structured construction.",
        "photo 3: The interior has a visible Made in China fabric label, indicating a manufactured handbag rather than an obviously handmade piece.",
        "photo 1: leather handbag form with crossbody strap"
    ],
    "negative_evidence": [
        "photo 2: The exterior is an unbranded black-and-gold patchwork design with no visible Coach wordmark, carriage, creed patch, or recognizable Coach hallmark.",
        "photo 3: The interior label reads MADE IN CHINA 029, not a Coach creed or Coach-style serial tag.",
        "photo 4: The bag has a black fabric\/synthetic-looking lining and ordinary zipper construction, unlike the unlined glove-tanned interiors common to classic vintage Coach crossbody styles.",
        "photo 5: Visible hardware consists of generic gold-tone snap components; no characteristic vintage Coach turnlock is visible.",
        "photo 1: The silhouette and decorative patchwork do not closely match the listed classic Coach models.",
        "photo 3, photo 4: interior has only generic white fabric tag reading MADE IN CHINA 029, no leather Coach creed patch",
        "photo 3, photo 4: black fabric lining, not unlined suede-back glove-tanned leather of vintage Coach classics",
        "photo 1, photo 2: black and metallic-gold patchwork leather design with no match in Coach catalog",
        "photo 5, photo 6: gold-tone magnetic snap closure, not Coach turnlock geometry",
        "photo 1-6: no COACH wordmark, horse-and-carriage, hangtag, or solid-brass hardware visible"
    ],
    "missing_information": [
        "photo 1-2: Bottom, side, and corner close-ups are not provided.",
        "photo 1-2: Full strap, attachment points, and zipper-pull details are not shown close enough to assess construction fully.",
        "photo 3-4: No Coach creed or interior brand label is visible; a straight-on inspection of all interior pockets would confirm whether any additional label is present.",
        "No Coach creed patch visible in any interior view - none expected given construction",
        "No maker label other than generic Made in China tag shown",
        "No hardware brand stamps shown in close-up"
    ],
    "authenticity_concerns": [
        "photo 2: The decorative patchwork and gold reptile-like inserts are generic brand-evoking design elements, not Coach identifiers.",
        "photo 3: The Made in China label and fabric-lined construction are inconsistent with a classic 1970s-1990s glove-tanned Coach crossbody, while no modern Coach branding is visible.",
        "photo 5: Hardware appears generic and does not provide Coach evidence."
    ],
    "possible_model_reasoning": [
        "photo 1-2: The compact crossbody proportions are compatible with many generic fashion bags but do not match a sufficiently specific Coach catalog model.",
        "photo 3: The visible Made in China label supports a modern or late-1990s-and-later manufacturing context, but the bag lacks the Coach identifiers needed to assign a Coach era or style number.",
        "photo 1-5: Condition appears Good to Very Good based on intact exterior, visible creasing and surface wear, and no obvious structural failure; odor, hidden stains, and bottom wear are unknown.",
        "No Coach silhouette match: patchwork flap + zip-top + magnetic snaps does not correspond to City Bag, Willis, Court, Station, Dinky or other classic; no creed to decode; Condition: Very Good to Excellent per seller great condition and photos showing intact patchwork and clean lining, but bottom corners and strap wear not fully shown"
    ],
    "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 5: Gold-tone snap hardware and photo 2: small gold-tone strap rings are visible; no Coach engraving or vintage Coach turnlock is visible.",
        "leather_description": "photo 2: Black smooth leather-like panels are visibly sewn into a patchwork body with metallic gold textured inserts; exact material and whether the inserts are genuine leather are not determinable.",
        "lining_description": "photo 3-4: Black fabric or synthetic lining with zippered compartments and a Made in China fabric label.",
        "strap_construction": "photo 1-2: Long, narrow adjustable-looking shoulder strap attached by small gold-tone rings; full adjustment and attachment construction are not fully visible.",
        "stitching_description": "photo 2: Visible patchwork seams are machine-stitched and generally even, with decorative zigzag-style stitching around some inserts."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0032,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: The item is a small leather-like crossbody handbag with a sewn, structured construction.",
                    "photo 3: The interior has a visible Made in China fabric label, indicating a manufactured handbag rather than an obviously handmade piece."
                ],
                "negative_evidence": [
                    "photo 2: The exterior is an unbranded black-and-gold patchwork design with no visible Coach wordmark, carriage, creed patch, or recognizable Coach hallmark.",
                    "photo 3: The interior label reads MADE IN CHINA 029, not a Coach creed or Coach-style serial tag.",
                    "photo 4: The bag has a black fabric\/synthetic-looking lining and ordinary zipper construction, unlike the unlined glove-tanned interiors common to classic vintage Coach crossbody styles.",
                    "photo 5: Visible hardware consists of generic gold-tone snap components; no characteristic vintage Coach turnlock is visible.",
                    "photo 1: The silhouette and decorative patchwork do not closely match the listed classic Coach models."
                ],
                "missing_information": [
                    "photo 1-2: Bottom, side, and corner close-ups are not provided.",
                    "photo 1-2: Full strap, attachment points, and zipper-pull details are not shown close enough to assess construction fully.",
                    "photo 3-4: No Coach creed or interior brand label is visible; a straight-on inspection of all interior pockets would confirm whether any additional label is present."
                ],
                "authenticity_concerns": [
                    "photo 2: The decorative patchwork and gold reptile-like inserts are generic brand-evoking design elements, not Coach identifiers.",
                    "photo 3: The Made in China label and fabric-lined construction are inconsistent with a classic 1970s-1990s glove-tanned Coach crossbody, while no modern Coach branding is visible.",
                    "photo 5: Hardware appears generic and does not provide Coach evidence."
                ],
                "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 5: Gold-tone snap hardware and photo 2: small gold-tone strap rings are visible; no Coach engraving or vintage Coach turnlock is visible.",
                    "leather_description": "photo 2: Black smooth leather-like panels are visibly sewn into a patchwork body with metallic gold textured inserts; exact material and whether the inserts are genuine leather are not determinable.",
                    "lining_description": "photo 3-4: Black fabric or synthetic lining with zippered compartments and a Made in China fabric label.",
                    "strap_construction": "photo 1-2: Long, narrow adjustable-looking shoulder strap attached by small gold-tone rings; full adjustment and attachment construction are not fully visible.",
                    "stitching_description": "photo 2: Visible patchwork seams are machine-stitched and generally even, with decorative zigzag-style stitching around some inserts."
                },
                "possible_model_reasoning": [
                    "photo 1-2: The compact crossbody proportions are compatible with many generic fashion bags but do not match a sufficiently specific Coach catalog model.",
                    "photo 3: The visible Made in China label supports a modern or late-1990s-and-later manufacturing context, but the bag lacks the Coach identifiers needed to assign a Coach era or style number.",
                    "photo 1-5: Condition appears Good to Very Good based on intact exterior, visible creasing and surface wear, and no obvious structural failure; odor, hidden stains, and bottom wear are unknown."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch visible in any interior view - none expected given construction",
                    "No maker label other than generic Made in China tag shown",
                    "No hardware brand stamps shown in close-up"
                ],
                "negative_evidence": [
                    "photo 3, photo 4: interior has only generic white fabric tag reading MADE IN CHINA 029, no leather Coach creed patch",
                    "photo 3, photo 4: black fabric lining, not unlined suede-back glove-tanned leather of vintage Coach classics",
                    "photo 1, photo 2: black and metallic-gold patchwork leather design with no match in Coach catalog",
                    "photo 5, photo 6: gold-tone magnetic snap closure, not Coach turnlock geometry",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, hangtag, or solid-brass hardware visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone magnetic snap pair visible photo 5; thin dark zipper top; no solid brass turnlock, no engraved branding visible",
                    "leather_description": "black patchwork leather with metallic gold reptile-embossed insets, photo 1, photo 2",
                    "lining_description": "black fabric lining with interior zip pocket visible photo 3, photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting patchwork overlock stitching around inset panels visible photo 2, photo 5",
                    "strap_construction": "thin black adjustable crossbody strap with buckle slide, photo 1",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather handbag form with crossbody strap"
                ],
                "possible_model_reasoning": [
                    "No Coach silhouette match: patchwork flap + zip-top + magnetic snaps does not correspond to City Bag, Willis, Court, Station, Dinky or other classic; no creed to decode; Condition: Very Good to Excellent per seller great condition and photos showing intact patchwork and clean lining, but bottom corners and strap wear not fully shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17733,
            "output_tokens": 920,
            "total_tokens": 18653,
            "estimated_cost_usd": 0.009301
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18067,
            "output_tokens": 1159,
            "total_tokens": 19226,
            "estimated_cost_usd": 0.004541
        }
    ]
}