Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.025,
    "vintage_probability": 0.66,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.81,
    "seller_misidentification_probability": 0.44,
    "confidence": 0.87,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a small leather handbag with a shoulder strap and frame closure.",
        "photo 6: interior label appears to state Made in Italy and genuine leather, supporting the seller's description but not Coach manufacture.",
        "photo 2: leather body and stitching are visible and appear consistent with a non-Coach Italian leather purse.",
        "photo 1,3: leather handbag with crossbody strap - the population where misidentified Coach could hide, so triage required"
    ],
    "negative_evidence": [
        "photo 6: the visible interior label does not show a Coach creed, Coach wordmark, or recognizable Coach branding.",
        "photos 1-5: the bag has a framed, gathered design with black edge trim rather than a recognizable classic Coach silhouette or turnlock construction.",
        "photos 4-5: visible hardware does not show Coach engraving or distinctive vintage Coach hardware.",
        "photo 6: the interior appears lined and has a generic Italian-leather label rather than a Coach creed patch.",
        "photo 1,3: kisslock \/ frame clutch silhouette with quilted top and pleated body, no turnlock flap - does not match any catalog Coach classic silhouette",
        "photo 6: interior has shiny synthetic fabric lining, not unlined glove-tanned suede-back correct for vintage Coach classics",
        "photo 6: interior white fabric tag reads MADE IN ITALY \/ GENUINE LEATHER, not a Coach creed patch with No. serial",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 4-5: thin gold-tone frame and small dogleash clips, not solid brass vintage Coach turnlock \/ hardware geometry"
    ],
    "missing_information": [
        "photo 6: the interior label is too small to read completely; request a straight-on close-up.",
        "request close-ups of every interior label, pocket, zipper pull, and hardware stamp.",
        "request a clear photo of the bottom, corners, and full strap.",
        "seller-stated dimensions and any additional provenance are not provided.",
        "No Coach creed or wordmark visible in any view; no further photos needed to rule out Coach",
        "Seller-stated dimensions and strap length not provided for generic valuation",
        "Bottom and close-up hardware stamp views not shown"
    ],
    "authenticity_concerns": [
        "The visible construction and label are more consistent with an Italian leather purse than with Coach.",
        "No Coach identifier is visible; this cannot be treated as a Coach bag based on the available photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is a close match because the bag uses a framed gathered purse construction and lacks Coach identifiers.",
        "The Made in Italy label and design may indicate a vintage Italian purse, but the exact maker and date cannot be established from the photos.",
        "Condition appears approximately Very Good: visible creasing and handling wrinkles are present, while no obvious tears or major structural damage are visible; interior and odor are not fully assessable.",
        "No Coach model fits: frame kisslock clutch with quilted yoke and pleated body is not City Bag, Willis, Court, Dinky, or Cashin Swinger \/ kisslock styles in construction, lining, or hardware",
        "Identifiers point away from Coach: Made in Italy genuine-leather fabric tag plus synthetic lining is inconsistent with 1970s-1990s Coach unlined glove-tanned plus stamped leather creed with No. serial",
        "Condition: Very Good; leather soft with wrinkles and surface creasing but no holes or corner wear-through visible (photo 2), frame intact, lining intact but wrinkled (photo 6); interior staining and odor unknown, bottom not shown so capped"
    ],
    "estimated_era": "unknown",
    "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": "Gold-tone frame clasp, strap clips, and fittings are visible; no Coach engraving is visible. Black edge trim is also visible.",
        "leather_description": "Taupe\/beige soft leather with gathered pleats and quilted diamond stitching on the upper panel; exact leather type is not independently verifiable.",
        "lining_description": "Leather-like or coated lining is visible, with a small Made in Italy\/genuine-leather label; full lining construction is not visible.",
        "strap_construction": "Long narrow adjustable-looking shoulder strap attached with gold-tone clips; detailed adjustment hardware is not fully visible.",
        "stitching_description": "Visible stitching is generally even and tonal, including the diamond-quilted upper panel and central seams."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.026,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.62,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.87,
                "seller_misidentification_probability": 0.86,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a small leather handbag with a shoulder strap and frame closure.",
                    "photo 6: interior label appears to state Made in Italy and genuine leather, supporting the seller's description but not Coach manufacture.",
                    "photo 2: leather body and stitching are visible and appear consistent with a non-Coach Italian leather purse."
                ],
                "negative_evidence": [
                    "photo 6: the visible interior label does not show a Coach creed, Coach wordmark, or recognizable Coach branding.",
                    "photos 1-5: the bag has a framed, gathered design with black edge trim rather than a recognizable classic Coach silhouette or turnlock construction.",
                    "photos 4-5: visible hardware does not show Coach engraving or distinctive vintage Coach hardware.",
                    "photo 6: the interior appears lined and has a generic Italian-leather label rather than a Coach creed patch."
                ],
                "missing_information": [
                    "photo 6: the interior label is too small to read completely; request a straight-on close-up.",
                    "request close-ups of every interior label, pocket, zipper pull, and hardware stamp.",
                    "request a clear photo of the bottom, corners, and full strap.",
                    "seller-stated dimensions and any additional provenance are not provided."
                ],
                "authenticity_concerns": [
                    "The visible construction and label are more consistent with an Italian leather purse than with Coach.",
                    "No Coach identifier is visible; this cannot be treated as a Coach bag based on 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": "Gold-tone frame clasp, strap clips, and fittings are visible; no Coach engraving is visible. Black edge trim is also visible.",
                    "leather_description": "Taupe\/beige soft leather with gathered pleats and quilted diamond stitching on the upper panel; exact leather type is not independently verifiable.",
                    "lining_description": "Leather-like or coated lining is visible, with a small Made in Italy\/genuine-leather label; full lining construction is not visible.",
                    "strap_construction": "Long narrow adjustable-looking shoulder strap attached with gold-tone clips; detailed adjustment hardware is not fully visible.",
                    "stitching_description": "Visible stitching is generally even and tonal, including the diamond-quilted upper panel and central seams."
                },
                "possible_model_reasoning": [
                    "No Coach model is a close match because the bag uses a framed gathered purse construction and lacks Coach identifiers.",
                    "The Made in Italy label and design may indicate a vintage Italian purse, but the exact maker and date cannot be established from the photos.",
                    "Condition appears approximately Very Good: visible creasing and handling wrinkles are present, while no obvious tears or major structural damage are visible; interior and odor are not fully assessable."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "No Coach creed or wordmark visible in any view; no further photos needed to rule out Coach",
                    "Seller-stated dimensions and strap length not provided for generic valuation",
                    "Bottom and close-up hardware stamp views not shown"
                ],
                "negative_evidence": [
                    "photo 1,3: kisslock \/ frame clutch silhouette with quilted top and pleated body, no turnlock flap - does not match any catalog Coach classic silhouette",
                    "photo 6: interior has shiny synthetic fabric lining, not unlined glove-tanned suede-back correct for vintage Coach classics",
                    "photo 6: interior white fabric tag reads MADE IN ITALY \/ GENUINE LEATHER, not a Coach creed patch with No. serial",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 4-5: thin gold-tone frame and small dogleash clips, not solid brass vintage Coach turnlock \/ hardware geometry"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock \/ squeeze frame with round clasp tab and small dogleash strap clips; bright plated tone, not solid brass turnlock",
                    "leather_description": "taupe \/ greige smooth leather with quilted diamond-stitch yoke and pleated lower body, black trim on frame; soft, wrinkled, not glove-tanned Coach hide",
                    "lining_description": "taupe shiny synthetic fabric lining visible in photo 6, wrinkled",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible topstitching on quilted yoke and center seam, tone-matched; no tight even Coach classic stitching detail visible",
                    "strap_construction": "thin flat detachable crossbody strap in matching taupe leather with gold-tone dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,3: leather handbag with crossbody strap - the population where misidentified Coach could hide, so triage required"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: frame kisslock clutch with quilted yoke and pleated body is not City Bag, Willis, Court, Dinky, or Cashin Swinger \/ kisslock styles in construction, lining, or hardware",
                    "Identifiers point away from Coach: Made in Italy genuine-leather fabric tag plus synthetic lining is inconsistent with 1970s-1990s Coach unlined glove-tanned plus stamped leather creed with No. serial",
                    "Condition: Very Good; leather soft with wrinkles and surface creasing but no holes or corner wear-through visible (photo 2), frame intact, lining intact but wrinkled (photo 6); interior staining and odor unknown, bottom not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18088,
            "output_tokens": 887,
            "total_tokens": 18975,
            "estimated_cost_usd": 0.009364
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18639,
            "output_tokens": 1656,
            "total_tokens": 20295,
            "estimated_cost_usd": 0.005053
        }
    ]
}