Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.045,
    "vintage_probability": 0.145,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.515,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.635,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a shoulder handbag with a top zipper and long strap.",
        "photo 1: Cream-colored material and compact shoulder-bag silhouette are compatible with many early-2000s fashion bags, but not specifically Coach.",
        "photo 1: leather handbag with simple unbranded construction - population where misidentified bags hide, but no positive Coach identifier",
        "photo 1-5: all-leather body and leather strap, not nylon\/PVC\/faux indicators"
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware.",
        "photo 2: The material appears glossy and thin rather than the matte glove-tanned leather typical of vintage Coach.",
        "photo 5: Hardware appears silver-tone and relatively lightweight; the bag lacks the solid-brass classic turnlock hardware associated with many vintage Coach styles.",
        "photo 5: The visible zipper pull has no legible Coach marking.",
        "photo 1: The shape and construction are generic and do not closely match a documented vintage Coach classic.",
        "photo 1-5: no COACH wordmark, horse-and-carriage, or creed patch visible",
        "photo 1,5: no turnlock - zip-top closure with exterior zip pocket, not a classic Coach turnlock silhouette",
        "photo 2,3,4,5: strap attached via large metal O-rings and rivets\/snaps, not Coach dogleash clips, buckle-adjust or dowel handle",
        "photo 5: zipper pull with leather tab and dark hardware, no Talon\/YKK brass Coach cue visible",
        "photo 1-5: smooth high-sheen cream leather, not matte glove-tanned with suede-back interior visible"
    ],
    "missing_information": [
        "Straight-on interior photograph, including the entire back wall and every pocket.",
        "Close-up photograph of any interior leather patch, fabric tag, or brand label.",
        "Close-up photographs of the zipper pull, strap hardware, and all markings.",
        "Bottom, corners, and full strap-detail photographs.",
        "Seller-stated dimensions and material composition.",
        "interior views emptied showing lining and any creed patch or fabric tags - not shown in any photo",
        "creed patch straight-on close-up in raking light",
        "hardware stamps on zipper pull and rings",
        "bottom and corner close-ups",
        "seller-stated dimensions and strap drop"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the supplied photos.",
        "The glossy material and lightweight-looking silver hardware are inconsistent with a typical vintage glove-tanned Coach classic.",
        "The item appears more consistent with a generic modern\/Y2K shoulder bag than with a Coach model."
    ],
    "possible_model_reasoning": [
        "The rectangular zip-top shoulder-bag silhouette is generic and does not provide a reliable Coach model match.",
        "The seller title calls it Y2K, and the glossy finish plus silver-tone hardware visually lean modern (2000s+) rather than vintage Coach.",
        "Condition: Good\/Very Good based on visible surface creasing and handling marks; interior, odor, lining, and bottom condition are not assessable.",
        "No Coach model fits: zip-top east-west soft shoulder with exterior full-width zip pocket and O-ring strap has no turnlock, no creed, no hangtag and no catalog match; silhouette alone never conclusive but nothing points to City Bag, Willis, Court, Station or Soho lines.",
        "Era reasoning: seller title says Y2K; construction and sheen suggest modern (2000s+) non-Coach rather than pre-2000 glove-tanned era.",
        "Condition: Very Good to Excellent exterior as shown - uniform cream color, no major stains or corner wear visible (photo 1,4); interior, bottom, odor and strap fold 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: Silver-tone ring and strap hardware are visible; no Coach engraving is legible. photo 5: Zipper hardware is visible but its brand marking is not readable.",
        "leather_description": "photo 1: Cream material has a glossy, smooth appearance; genuine leather versus coated or synthetic material cannot be confirmed from photos.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-5: Long narrow shoulder strap with stitched edges and adjustable-looking attachment sections; full construction is not shown clearly.",
        "stitching_description": "photos 1-5: Machine stitching appears generally even along visible edges, though close-up quality is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0033,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.58,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a shoulder handbag with a top zipper and long strap.",
                    "photo 1: Cream-colored material and compact shoulder-bag silhouette are compatible with many early-2000s fashion bags, but not specifically Coach."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, or recognizable Coach hardware.",
                    "photo 2: The material appears glossy and thin rather than the matte glove-tanned leather typical of vintage Coach.",
                    "photo 5: Hardware appears silver-tone and relatively lightweight; the bag lacks the solid-brass classic turnlock hardware associated with many vintage Coach styles.",
                    "photo 5: The visible zipper pull has no legible Coach marking.",
                    "photo 1: The shape and construction are generic and do not closely match a documented vintage Coach classic."
                ],
                "missing_information": [
                    "Straight-on interior photograph, including the entire back wall and every pocket.",
                    "Close-up photograph of any interior leather patch, fabric tag, or brand label.",
                    "Close-up photographs of the zipper pull, strap hardware, and all markings.",
                    "Bottom, corners, and full strap-detail photographs.",
                    "Seller-stated dimensions and material composition."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the supplied photos.",
                    "The glossy material and lightweight-looking silver hardware are inconsistent with a typical vintage glove-tanned Coach classic.",
                    "The item appears more consistent with a generic modern\/Y2K shoulder bag than with a Coach model."
                ],
                "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: Silver-tone ring and strap hardware are visible; no Coach engraving is legible. photo 5: Zipper hardware is visible but its brand marking is not readable.",
                    "leather_description": "photo 1: Cream material has a glossy, smooth appearance; genuine leather versus coated or synthetic material cannot be confirmed from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-5: Long narrow shoulder strap with stitched edges and adjustable-looking attachment sections; full construction is not shown clearly.",
                    "stitching_description": "photos 1-5: Machine stitching appears generally even along visible edges, though close-up quality is limited."
                },
                "possible_model_reasoning": [
                    "The rectangular zip-top shoulder-bag silhouette is generic and does not provide a reliable Coach model match.",
                    "The seller title calls it Y2K, and the glossy finish plus silver-tone hardware visually lean modern (2000s+) rather than vintage Coach.",
                    "Condition: Good\/Very Good based on visible surface creasing and handling marks; interior, odor, lining, and bottom condition are not assessable."
                ],
                "confidence": 0.72,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.06,
                "coach_probability": 0.06,
                "confidence": 0.55,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "interior views emptied showing lining and any creed patch or fabric tags - not shown in any photo",
                    "creed patch straight-on close-up in raking light",
                    "hardware stamps on zipper pull and rings",
                    "bottom and corner close-ups",
                    "seller-stated dimensions and strap drop"
                ],
                "negative_evidence": [
                    "photo 1-5: no COACH wordmark, horse-and-carriage, or creed patch visible",
                    "photo 1,5: no turnlock - zip-top closure with exterior zip pocket, not a classic Coach turnlock silhouette",
                    "photo 2,3,4,5: strap attached via large metal O-rings and rivets\/snaps, not Coach dogleash clips, buckle-adjust or dowel handle",
                    "photo 5: zipper pull with leather tab and dark hardware, no Talon\/YKK brass Coach cue visible",
                    "photo 1-5: smooth high-sheen cream leather, not matte glove-tanned with suede-back interior visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone metal O-rings at strap anchors, dome rivets on body sides, dark zipper teeth on exterior pocket; tone and finish not clearly solid brass, no engraving legible",
                    "leather_description": "cream\/off-white smooth leather with soft sheen and slouchy drape, light creasing; not clearly glove-tanned grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone straight stitching visible along top edge and strap edges; no close-up to assess stress points",
                    "strap_construction": "single narrow shoulder strap, fixed length with snap\/rivet ends looped through metal O-rings riveted to bag body",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather handbag with simple unbranded construction - population where misidentified bags hide, but no positive Coach identifier",
                    "photo 1-5: all-leather body and leather strap, not nylon\/PVC\/faux indicators"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top east-west soft shoulder with exterior full-width zip pocket and O-ring strap has no turnlock, no creed, no hangtag and no catalog match; silhouette alone never conclusive but nothing points to City Bag, Willis, Court, Station or Soho lines.",
                    "Era reasoning: seller title says Y2K; construction and sheen suggest modern (2000s+) non-Coach rather than pre-2000 glove-tanned era.",
                    "Condition: Very Good to Excellent exterior as shown - uniform cream color, no major stains or corner wear visible (photo 1,4); interior, bottom, odor and strap fold not shown so capped."
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.06,
                "vintage_probability": 0.25
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26108,
            "output_tokens": 758,
            "total_tokens": 26866,
            "estimated_cost_usd": 0.012262
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27547,
            "output_tokens": 1331,
            "total_tokens": 28878,
            "estimated_cost_usd": 0.006574
        }
    ]
}