Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.045,
    "vintage_probability": 0.635,
    "authenticity_confidence": 0.045,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.06,
    "confidence": 0.735,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: structured leather handbag with a vintage-style top-handle silhouette and gold-tone fittings",
        "photo 2: leather-covered handle and relatively even double-row stitching are visible",
        "photo 1: leather handbag with brass-tone hardware - population where misidentified Coach hides, but no specific Coach identifier"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, carriage emblem, hangtag, or creed patch",
        "photo 3: interior shows black moire-style fabric lining rather than the unlined suede interior typical of many classic vintage Coach bags",
        "photo 4: black fabric lining and multi-compartment construction are visible, but no Coach identifier is present",
        "photo 5: zipper and lining construction appear generic; no Coach-marked zipper or other brand stamp is visible",
        "seller describes the bag as a 1960s handbag but provides no Coach attribution or identifying documentation",
        "photo 1,3,4: structured Kelly-type accordion top-handle silhouette with frame opening not in Coach classic catalog",
        "photo 3,4: black moire fabric lining; vintage Coach classics are unlined suede-back glove-tanned",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 2: smooth finished bright kelly-green leather with piped rolled handles, not matte glove-tanned cowhide with suede back"
    ],
    "missing_information": [
        "photo 1-5: no straight-on interior back-wall or pocket close-up showing whether a brand label or creed is present",
        "photo 1-5: no close-up of the closure, zipper pull, or all hardware markings",
        "photo 1-5: no bottom, side, corner, or strap-condition views",
        "photo 1-5: country-of-origin or maker tag is not shown",
        "photo of interior back wall \/ slip pocket for creed patch straight-on in raking light",
        "photo of any maker stamp, fabric label, or Made-in line",
        "photo of front closure \/ clasp detail and zipper-pull brand stamp",
        "photo of bottom, sides, and handle anchors for condition"
    ],
    "authenticity_concerns": [
        "The visible lined, accordion-style construction does not strongly match the classic unlined glove-tanned Coach silhouettes described by the listing context.",
        "No Coach identifier is visible, so the bag is more consistent with a generic vintage leather handbag than a Coach piece."
    ],
    "possible_model_reasoning": [
        "The top-handle accordion silhouette and approximately 9.5-by-7-inch dimensions fit a generic vintage structured handbag, but no Coach catalog model is supported by visible identifiers.",
        "The black moire lining and compartmented interior do not establish a Coach era; the seller's 1960s claim is unverified by the photos.",
        "Condition appears Good to Very Good: surface creasing and light wear are visible in photos 1-2, while the interior appears intact in photos 3-5; corner and underside wear are not fully shown.",
        "No Coach model fits: accordion Kelly top-handle with 3 compartments, fabric moire lining and frame construction does not match City Bag, Willis, Court, Station, Dinky or Cashin-era shapes",
        "No serial to decode; no creed visible to date era",
        "Condition: Very Good to Excellent appearance in photos; bright color uniform, handles intact (photo 2), lining looks clean (photo 4), but bottom corners, interior zip and closure not fully 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: small gold-tone rectangular handle fittings are visible; no clearly identifiable Coach turnlock or engraved hardware is shown",
        "leather_description": "photo 1: smooth bright green leather or leather-like material with visible surface creasing and light scuffing",
        "lining_description": "photos 3-5: black moire-style fabric lining with multiple compartments and an interior zipper",
        "strap_construction": "photos 1-2: single fixed top handle attached with covered fittings; no shoulder strap is visible",
        "stitching_description": "photos 1-2: generally even green stitching around the flap, handle, and edges; construction appears generic"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0023,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.06,
                "vintage_probability": 0.62,
                "authenticity_confidence": 0.05,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: structured leather handbag with a vintage-style top-handle silhouette and gold-tone fittings",
                    "photo 2: leather-covered handle and relatively even double-row stitching are visible"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, carriage emblem, hangtag, or creed patch",
                    "photo 3: interior shows black moire-style fabric lining rather than the unlined suede interior typical of many classic vintage Coach bags",
                    "photo 4: black fabric lining and multi-compartment construction are visible, but no Coach identifier is present",
                    "photo 5: zipper and lining construction appear generic; no Coach-marked zipper or other brand stamp is visible",
                    "seller describes the bag as a 1960s handbag but provides no Coach attribution or identifying documentation"
                ],
                "missing_information": [
                    "photo 1-5: no straight-on interior back-wall or pocket close-up showing whether a brand label or creed is present",
                    "photo 1-5: no close-up of the closure, zipper pull, or all hardware markings",
                    "photo 1-5: no bottom, side, corner, or strap-condition views",
                    "photo 1-5: country-of-origin or maker tag is not shown"
                ],
                "authenticity_concerns": [
                    "The visible lined, accordion-style construction does not strongly match the classic unlined glove-tanned Coach silhouettes described by the listing context.",
                    "No Coach identifier is visible, so the bag is more consistent with a generic vintage leather handbag than a Coach piece."
                ],
                "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: small gold-tone rectangular handle fittings are visible; no clearly identifiable Coach turnlock or engraved hardware is shown",
                    "leather_description": "photo 1: smooth bright green leather or leather-like material with visible surface creasing and light scuffing",
                    "lining_description": "photos 3-5: black moire-style fabric lining with multiple compartments and an interior zipper",
                    "strap_construction": "photos 1-2: single fixed top handle attached with covered fittings; no shoulder strap is visible",
                    "stitching_description": "photos 1-2: generally even green stitching around the flap, handle, and edges; construction appears generic"
                },
                "possible_model_reasoning": [
                    "The top-handle accordion silhouette and approximately 9.5-by-7-inch dimensions fit a generic vintage structured handbag, but no Coach catalog model is supported by visible identifiers.",
                    "The black moire lining and compartmented interior do not establish a Coach era; the seller's 1960s claim is unverified by the photos.",
                    "Condition appears Good to Very Good: surface creasing and light wear are visible in photos 1-2, while the interior appears intact in photos 3-5; corner and underside wear are not fully shown."
                ],
                "confidence": 0.79,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.03,
                "confidence": 0.68,
                "estimated_era": "unknown",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket for creed patch straight-on in raking light",
                    "photo of any maker stamp, fabric label, or Made-in line",
                    "photo of front closure \/ clasp detail and zipper-pull brand stamp",
                    "photo of bottom, sides, and handle anchors for condition"
                ],
                "negative_evidence": [
                    "photo 1,3,4: structured Kelly-type accordion top-handle silhouette with frame opening not in Coach classic catalog",
                    "photo 3,4: black moire fabric lining; vintage Coach classics are unlined suede-back glove-tanned",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 2: smooth finished bright kelly-green leather with piped rolled handles, not matte glove-tanned cowhide with suede back"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone frame \/ handle mounts and small flap stud visible in photo 3; no turnlock geometry, no COACH engraving visible",
                    "leather_description": "bright kelly-green smooth finished leather, structured with edge stitching; not matte glove-tanned texture in photos",
                    "lining_description": "black moire \/ watered fabric lining visible in photo 3 and photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone straight stitching at flap edge and handles visible in photo 1 and photo 2; no irregularity visible",
                    "strap_construction": "short rolled top handles attached with gold-tone mounts; no detachable crossbody strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather handbag with brass-tone hardware - population where misidentified Coach hides, but no specific Coach identifier"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: accordion Kelly top-handle with 3 compartments, fabric moire lining and frame construction does not match City Bag, Willis, Court, Station, Dinky or Cashin-era shapes",
                    "No serial to decode; no creed visible to date era",
                    "Condition: Very Good to Excellent appearance in photos; bright color uniform, handles intact (photo 2), lining looks clean (photo 4), but bottom corners, interior zip and closure not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17111,
            "output_tokens": 828,
            "total_tokens": 17939,
            "estimated_cost_usd": 0.008832
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17573,
            "output_tokens": 1373,
            "total_tokens": 18946,
            "estimated_cost_usd": 0.004613
        }
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}