Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.37,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.855,
    "seller_misidentification_probability": 0.04,
    "confidence": 0.915,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather crossbody handbag with adjustable strap and multiple compartments",
        "photo 2: embossed branding visibly reads AMERICAN SHARIF, identifying a different maker",
        "photo 3: interior plaque also appears to read AMERICAN SHARIF",
        "photo 1: substantial brass-tone rings and snap hardware are visible",
        "photo 1: leather flap crossbody silhouette in the general population where misidentified vintage could hide"
    ],
    "negative_evidence": [
        "photo 2: embossed branding is American Sharif rather than COACH",
        "photo 3: interior plaque shows American Sharif branding and no Coach creed",
        "photos 1-5: no COACH wordmark, horse-and-carriage, Coach hangtag, or recognizable Coach creed is visible",
        "photos 3-4: fabric-lined interior and modern-looking zipper construction do not support a classic vintage Coach attribution",
        "photo 5: exterior zipper and overall construction are inconsistent with a typical unlined 1970s-1990s Coach classic",
        "photo 2: underside of flap embossed AMERICANA BY SHARIF, not COACH",
        "photo 3: interior brass-tone brand plate reads AMERICANA BY SHARIF",
        "photo 4: interior brand plate AMERICANA plus black fabric lining, not unlined glove-tanned suede",
        "photo 2: closure is magnetic snaps, no turnlock present",
        "photo 1-5: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 4: fabric-lined interior with center zip pocket inconsistent with 1970s-1990s Coach classics"
    ],
    "missing_information": [
        "photo 3: the full interior is visible, but no serial or country-of-manufacture tag is apparent; a close-up of all interior labels could further date the Sharif bag",
        "photo 1: measurements and a close-up of hardware markings would help identify the American Sharif model",
        "seller-stated price is not provided",
        "photo of bottom and corners to confirm condition grade",
        "close-up of interior brand plate and zipper brand if reselling as Sharif"
    ],
    "authenticity_concerns": [
        "photos 2-3: the bag carries explicit American Sharif branding, so attributing it to Coach would be a brand misidentification rather than a Coach authentication issue",
        "photos 1-5: no Coach identifiers are present to support a Coach-made or Coach-rebranded interpretation"
    ],
    "possible_model_reasoning": [
        "The rounded flap, front pockets, rear zip pocket, and wide adjustable strap are consistent with a vintage or Y2K American Sharif crossbody, not a specific Coach catalog model.",
        "photo 2: the embossed maker name is legible as American Sharif; this is decisive competing-brand evidence.",
        "Dating is uncertain, but the seller's Y2K description and fabric-lined multi-compartment construction suggest a modern 2000s+ period more than the classic unlined Coach era.",
        "Condition: Very Good based on photos; light creasing and minor visible wear, with no obvious major tears or broken hardware. Odor and hidden lining damage cannot be assessed.",
        "No Coach model fits: positive Sharif branding on flap embossing (photo 2) and interior metal plate (photos 3-4) positively identifies maker as Americana by Sharif, excluding Coach manufacture",
        "Construction inconsistent with vintage Coach classics: fabric lining, magnetic snaps, no creed, no turnlock, no solid-brass Coach hardware geometry",
        "Condition: Very Good; leather shows light wear and natural creasing (photo 1), no corner wear-through visible, strap and hardware intact; bottom view not shown so 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: brass-tone circular snap hardware and brass-tone strap rings; photo 5: exterior zipper with leather pull; no Coach engraving visible",
        "leather_description": "photos 1-2 and 5: dark forest-green pebbled leather or leather-like material with moderate natural creasing",
        "lining_description": "photos 3-4: black fabric lining with an interior zip pocket and a small American Sharif plaque",
        "strap_construction": "photos 1 and 5: wide adjustable crossbody strap with buckle adjustment and brass-tone attachment rings",
        "stitching_description": "photos 1-5: generally even visible stitching around the flap, pockets, and perimeter; close-up stress-point inspection is not available"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.34,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather crossbody handbag with adjustable strap and multiple compartments",
                    "photo 2: embossed branding visibly reads AMERICAN SHARIF, identifying a different maker",
                    "photo 3: interior plaque also appears to read AMERICAN SHARIF",
                    "photo 1: substantial brass-tone rings and snap hardware are visible"
                ],
                "negative_evidence": [
                    "photo 2: embossed branding is American Sharif rather than COACH",
                    "photo 3: interior plaque shows American Sharif branding and no Coach creed",
                    "photos 1-5: no COACH wordmark, horse-and-carriage, Coach hangtag, or recognizable Coach creed is visible",
                    "photos 3-4: fabric-lined interior and modern-looking zipper construction do not support a classic vintage Coach attribution",
                    "photo 5: exterior zipper and overall construction are inconsistent with a typical unlined 1970s-1990s Coach classic"
                ],
                "missing_information": [
                    "photo 3: the full interior is visible, but no serial or country-of-manufacture tag is apparent; a close-up of all interior labels could further date the Sharif bag",
                    "photo 1: measurements and a close-up of hardware markings would help identify the American Sharif model",
                    "seller-stated price is not provided"
                ],
                "authenticity_concerns": [
                    "photos 2-3: the bag carries explicit American Sharif branding, so attributing it to Coach would be a brand misidentification rather than a Coach authentication issue",
                    "photos 1-5: no Coach identifiers are present to support a Coach-made or Coach-rebranded interpretation"
                ],
                "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 1: brass-tone circular snap hardware and brass-tone strap rings; photo 5: exterior zipper with leather pull; no Coach engraving visible",
                    "leather_description": "photos 1-2 and 5: dark forest-green pebbled leather or leather-like material with moderate natural creasing",
                    "lining_description": "photos 3-4: black fabric lining with an interior zip pocket and a small American Sharif plaque",
                    "strap_construction": "photos 1 and 5: wide adjustable crossbody strap with buckle adjustment and brass-tone attachment rings",
                    "stitching_description": "photos 1-5: generally even visible stitching around the flap, pockets, and perimeter; close-up stress-point inspection is not available"
                },
                "possible_model_reasoning": [
                    "The rounded flap, front pockets, rear zip pocket, and wide adjustable strap are consistent with a vintage or Y2K American Sharif crossbody, not a specific Coach catalog model.",
                    "photo 2: the embossed maker name is legible as American Sharif; this is decisive competing-brand evidence.",
                    "Dating is uncertain, but the seller's Y2K description and fabric-lined multi-compartment construction suggest a modern 2000s+ period more than the classic unlined Coach era.",
                    "Condition: Very Good based on photos; light creasing and minor visible wear, with no obvious major tears or broken hardware. Odor and hidden lining damage cannot be assessed."
                ],
                "confidence": 0.93,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of bottom and corners to confirm condition grade",
                    "close-up of interior brand plate and zipper brand if reselling as Sharif"
                ],
                "negative_evidence": [
                    "photo 2: underside of flap embossed AMERICANA BY SHARIF, not COACH",
                    "photo 3: interior brass-tone brand plate reads AMERICANA BY SHARIF",
                    "photo 4: interior brand plate AMERICANA plus black fabric lining, not unlined glove-tanned suede",
                    "photo 2: closure is magnetic snaps, no turnlock present",
                    "photo 1-5: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 4: fabric-lined interior with center zip pocket inconsistent with 1970s-1990s Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone magnetic snaps on flap and body, brass-tone D-rings for strap, black zipper with unbranded pull; no turnlock, no COACH stamping visible",
                    "leather_description": "dark forest green pebbled leather with soft sheen and natural creasing, visible grain",
                    "lining_description": "black fabric lining with interior zip pocket; tan dust bag stored inside in photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched straight stitching around flap edge and front pocket divisions",
                    "strap_construction": "flat leather adjustable crossbody\/shoulder strap with buckle holes and brass-tone studs, attached via brass-tone D-rings",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather flap crossbody silhouette in the general population where misidentified vintage could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: positive Sharif branding on flap embossing (photo 2) and interior metal plate (photos 3-4) positively identifies maker as Americana by Sharif, excluding Coach manufacture",
                    "Construction inconsistent with vintage Coach classics: fabric lining, magnetic snaps, no creed, no turnlock, no solid-brass Coach hardware geometry",
                    "Condition: Very Good; leather shows light wear and natural creasing (photo 1), no corner wear-through visible, strap and hardware intact; bottom view not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18207,
            "output_tokens": 999,
            "total_tokens": 19206,
            "estimated_cost_usd": 0.00968
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18760,
            "output_tokens": 1419,
            "total_tokens": 20179,
            "estimated_cost_usd": 0.004887
        }
    ]
}