Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.615,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.825,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.905,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather crossbody handbag with a flap, long adjustable strap, and substantial handcrafted-looking construction.",
        "photo 6: A visible embossed leather mark appears to reference Mexico, consistent with the seller's Mexican tooled-leather description rather than Coach branding."
    ],
    "negative_evidence": [
        "photo 1: Front shows Aztec\/pyramid tooling, extensive braided leather edging, and a buckle strap closure; this is not a recognizable vintage Coach silhouette.",
        "photo 2: No Coach wordmark, horse-and-carriage, creed patch, or Coach hangtag is visible on the front.",
        "photo 3: Back is unbranded and lacks a Coach identifier.",
        "photo 6: Embossed wording appears to be a Mexican leather\/craft mark rather than COACH.",
        "photo 1: Buckle closure is visible instead of the elegant Coach turnlock hardware typical of classic vintage Coach bags.",
        "photo 1,2: flap embossed with large Aztec\/Mayan pyramid motif never used on vintage Coach classics",
        "photo 3,4: body assembled with exterior braided leather lacing\/whipstitch, not Coach glove-tanned construction",
        "photo 1,2: closure is long buckled strap with double silver-tone buckles, no turnlock of any geometry",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 6: side gusset stamped with bull motif and HECHO EN MEXICO, indicating Mexican souvenir manufacture"
    ],
    "missing_information": [
        "photo 1-6: Interior is not shown; request clear photos of the interior, any label, and any stamped maker mark.",
        "photo 1-6: Bottom, interior seams, and full hardware details are not shown.",
        "photo 1-6: Seller-stated dimensions and condition\/function of the buckle and strap attachment are not provided.",
        "photo of interior emptied and lining to confirm no creed patch hidden inside",
        "photo of underside of flap and interior pocket walls for any stamped patch or fabric tag",
        "close-up of hardware stamps and side gusset stamp reading HECHO EN MEXICO"
    ],
    "authenticity_concerns": [
        "photo 1-6: No Coach identifier is visible, and the tooling, braided construction, and Mexican maker-style embossing are inconsistent with the Coach catalog features assessed here.",
        "photo 6: The visible maker embossing appears to identify another origin or maker, not Coach."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the buckle-front, heavily tooled Mexican-style crossbody construction does not correspond to the listed Coach classic silhouettes.",
        "Condition: Good; visible leather darkening\/patina, edge wear, fuzzy strap edges, and some surface marks are present in photos 1-6; interior condition is unknown.",
        "No Coach silhouette match: saddle flap with center buckle, braided lacing, and Aztec tooling does not correspond to any catalog style in 4.1-4.2",
        "No identifiers to decode: no creed, serial, country line for Coach, or hangtag; visible HECHO EN MEXICO stamp points to Mexican craft origin",
        "Condition: Good to Very Good; leather shows patina and darkening but no tears or corner wear-through visible in photos 1-4, strap intact, interior and bottom 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 1-2: A small round stud and metal buckle\/keeper closure are visible; no Coach-style turnlock is visible. photo 1 and 3: Metal appears light-toned or worn, but exact finish is not determinable.",
        "leather_description": "photo 1-6: Brown leather with extensive Aztec\/pyramid tooling, braided leather edging, visible grain, patina, and surface wear.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1 and 3: Long adjustable leather crossbody strap with buckle adjustment; strap edges are visibly fuzzy\/worn in places.",
        "stitching_description": "photo 1-6: Decorative contrasting leather lacing\/braiding and geometric stitched tooling are visible; construction is unlike the clean, understated stitching of classic Coach bags."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0048,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.78,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather crossbody handbag with a flap, long adjustable strap, and substantial handcrafted-looking construction.",
                    "photo 6: A visible embossed leather mark appears to reference Mexico, consistent with the seller's Mexican tooled-leather description rather than Coach branding."
                ],
                "negative_evidence": [
                    "photo 1: Front shows Aztec\/pyramid tooling, extensive braided leather edging, and a buckle strap closure; this is not a recognizable vintage Coach silhouette.",
                    "photo 2: No Coach wordmark, horse-and-carriage, creed patch, or Coach hangtag is visible on the front.",
                    "photo 3: Back is unbranded and lacks a Coach identifier.",
                    "photo 6: Embossed wording appears to be a Mexican leather\/craft mark rather than COACH.",
                    "photo 1: Buckle closure is visible instead of the elegant Coach turnlock hardware typical of classic vintage Coach bags."
                ],
                "missing_information": [
                    "photo 1-6: Interior is not shown; request clear photos of the interior, any label, and any stamped maker mark.",
                    "photo 1-6: Bottom, interior seams, and full hardware details are not shown.",
                    "photo 1-6: Seller-stated dimensions and condition\/function of the buckle and strap attachment are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1-6: No Coach identifier is visible, and the tooling, braided construction, and Mexican maker-style embossing are inconsistent with the Coach catalog features assessed here.",
                    "photo 6: The visible maker embossing appears to identify another origin or maker, not Coach."
                ],
                "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 1-2: A small round stud and metal buckle\/keeper closure are visible; no Coach-style turnlock is visible. photo 1 and 3: Metal appears light-toned or worn, but exact finish is not determinable.",
                    "leather_description": "photo 1-6: Brown leather with extensive Aztec\/pyramid tooling, braided leather edging, visible grain, patina, and surface wear.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1 and 3: Long adjustable leather crossbody strap with buckle adjustment; strap edges are visibly fuzzy\/worn in places.",
                    "stitching_description": "photo 1-6: Decorative contrasting leather lacing\/braiding and geometric stitched tooling are visible; construction is unlike the clean, understated stitching of classic Coach bags."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the buckle-front, heavily tooled Mexican-style crossbody construction does not correspond to the listed Coach classic silhouettes.",
                    "Condition: Good; visible leather darkening\/patina, edge wear, fuzzy strap edges, and some surface marks are present in photos 1-6; interior condition is unknown."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "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": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior emptied and lining to confirm no creed patch hidden inside",
                    "photo of underside of flap and interior pocket walls for any stamped patch or fabric tag",
                    "close-up of hardware stamps and side gusset stamp reading HECHO EN MEXICO"
                ],
                "negative_evidence": [
                    "photo 1,2: flap embossed with large Aztec\/Mayan pyramid motif never used on vintage Coach classics",
                    "photo 3,4: body assembled with exterior braided leather lacing\/whipstitch, not Coach glove-tanned construction",
                    "photo 1,2: closure is long buckled strap with double silver-tone buckles, no turnlock of any geometry",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 6: side gusset stamped with bull motif and HECHO EN MEXICO, indicating Mexican souvenir manufacture"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone double buckles on front strap and small buckle on shoulder strap; dark snap\/rivet on flap strap; no brass turnlock, no COACH stamping visible",
                    "leather_description": "medium-brown tooled leather with burnished\/mottled finish, embossed pyramid and zigzag tooling on flap and body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "no conventional stitching visible; edges joined by brown leather whip-lacing and decorative tooled zigzag",
                    "strap_construction": "long thin flat leather crossbody strap with buckle adjustment, suede-like back, attached at side gussets",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: saddle flap with center buckle, braided lacing, and Aztec tooling does not correspond to any catalog style in 4.1-4.2",
                    "No identifiers to decode: no creed, serial, country line for Coach, or hangtag; visible HECHO EN MEXICO stamp points to Mexican craft origin",
                    "Condition: Good to Very Good; leather shows patina and darkening but no tears or corner wear-through visible in photos 1-4, strap intact, interior and bottom not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.45
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28779,
            "output_tokens": 838,
            "total_tokens": 29617,
            "estimated_cost_usd": 0.013523
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30091,
            "output_tokens": 1360,
            "total_tokens": 31451,
            "estimated_cost_usd": 0.007106
        }
    ]
}