Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.325,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.765,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.885,
    "recommended_max_bid": 9,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag is constructed primarily from woven basket material rather than Coach's characteristic leather, suede, or signature canvas.",
        "photo 4: the interior is cotton fabric-lined with a multicolor printed pattern; no Coach creed patch, wordmark, or horse-and-carriage is visible.",
        "photos 1-3: the closure and handle fittings appear silver-tone and generic, not the solid brass hardware typical of many vintage Coach leather classics.",
        "photos 1-5: the silhouette and woven construction do not closely match a recognizable Coach catalog model.",
        "photo 1-3: body is woven wicker\/rattan basket, not glove-tanned leather - Coach classics are leather",
        "photo 4-5: printed cotton lining with red\/green oval dot pattern, not unlined suede interior",
        "photo 1-5: silver-tone rivets and oval twist hardware, not solid brass vintage Coach hardware",
        "photo 1-5: no creed patch, no COACH wordmark, no hangtag, no horse-and-carriage visible",
        "photo 1-3: rigid wicker top-handle basket silhouette matches no Coach catalog style"
    ],
    "missing_information": [
        "photo 4: the interior is shown, but no straight-on close-up of every interior wall or pocket is provided; request any hidden labels or fabric tags.",
        "request close-ups of the closure, handle attachments, underside, and any maker's marks.",
        "seller-stated dimensions are available, but material composition, maker, and exact age are not verified.",
        "photo 4-5: interior shows no creed patch, no Coach wordmark or fabric tag - no closer creed view needed as construction already excludes Coach",
        "photo 1-3: no hangtag, no Coach wordmark on exterior or hardware"
    ],
    "authenticity_concerns": [
        "photo 4: the visible cotton lining and woven basket body are inconsistent with the classic vintage Coach construction described in the reference knowledge.",
        "photos 1-5: no Coach identifier is visible, so Coach manufacture cannot be supported from the listing photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the basket construction, cotton printed lining, and generic silver-tone fittings are unlike the listed vintage Coach leather models.",
        "Condition appears approximately Very Good from the visible exterior: the basket is intact with some ordinary age\/handling appearance, but the bottom, hidden corners, and odor are not assessable.",
        "The seller's 'vintage' description is unverified; the photos support a woven basket handbag but do not establish a Coach era or manufacture.",
        "No Coach model fits: woven basket body, cotton print lining, silver rivet hardware and handle construction are inconsistent with any vintage Coach leather line per \u00a71, \u00a73.1-\u00a73.2",
        "Seller text states 'Vintage basket handbag with cotton lining and leather fastenings' which matches photos and excludes glove-tanned Coach construction",
        "Condition: Good to Very Good; wicker appears intact in photos 1-3, lining appears intact in photos 4-5, but bottom corners and full condition not fully gradable"
    ],
    "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": "photos 1-5: silver-tone rivets and an oval-looking clasp\/closure are visible; no readable brand engraving is visible.",
        "leather_description": "photos 1-5: dark leather-like fastening straps are visible, but the main body is woven basket material; leather type cannot be determined.",
        "lining_description": "photo 4: cotton or textile lining with a repeating multicolor dot\/leaf-like print is visible; no creed patch or label is visible.",
        "strap_construction": "photos 1-3: a fixed woven handle with dark strap attachments and visible rivets; no detachable Coach-style strap is visible.",
        "stitching_description": "photos 1-5: stitching and woven construction are visible in general, but fine stitch quality is not clear enough for brand attribution."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0021,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is constructed primarily from woven basket material rather than Coach's characteristic leather, suede, or signature canvas.",
                    "photo 4: the interior is cotton fabric-lined with a multicolor printed pattern; no Coach creed patch, wordmark, or horse-and-carriage is visible.",
                    "photos 1-3: the closure and handle fittings appear silver-tone and generic, not the solid brass hardware typical of many vintage Coach leather classics.",
                    "photos 1-5: the silhouette and woven construction do not closely match a recognizable Coach catalog model."
                ],
                "missing_information": [
                    "photo 4: the interior is shown, but no straight-on close-up of every interior wall or pocket is provided; request any hidden labels or fabric tags.",
                    "request close-ups of the closure, handle attachments, underside, and any maker's marks.",
                    "seller-stated dimensions are available, but material composition, maker, and exact age are not verified."
                ],
                "authenticity_concerns": [
                    "photo 4: the visible cotton lining and woven basket body are inconsistent with the classic vintage Coach construction described in the reference knowledge.",
                    "photos 1-5: no Coach identifier is visible, so Coach manufacture cannot be supported from the listing 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": "photos 1-5: silver-tone rivets and an oval-looking clasp\/closure are visible; no readable brand engraving is visible.",
                    "leather_description": "photos 1-5: dark leather-like fastening straps are visible, but the main body is woven basket material; leather type cannot be determined.",
                    "lining_description": "photo 4: cotton or textile lining with a repeating multicolor dot\/leaf-like print is visible; no creed patch or label is visible.",
                    "strap_construction": "photos 1-3: a fixed woven handle with dark strap attachments and visible rivets; no detachable Coach-style strap is visible.",
                    "stitching_description": "photos 1-5: stitching and woven construction are visible in general, but fine stitch quality is not clear enough for brand attribution."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the basket construction, cotton printed lining, and generic silver-tone fittings are unlike the listed vintage Coach leather models.",
                    "Condition appears approximately Very Good from the visible exterior: the basket is intact with some ordinary age\/handling appearance, but the bottom, hidden corners, and odor are not assessable.",
                    "The seller's 'vintage' description is unverified; the photos support a woven basket handbag but do not establish a Coach era or manufacture."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 10,
                "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 4-5: interior shows no creed patch, no Coach wordmark or fabric tag - no closer creed view needed as construction already excludes Coach",
                    "photo 1-3: no hangtag, no Coach wordmark on exterior or hardware"
                ],
                "negative_evidence": [
                    "photo 1-3: body is woven wicker\/rattan basket, not glove-tanned leather - Coach classics are leather",
                    "photo 4-5: printed cotton lining with red\/green oval dot pattern, not unlined suede interior",
                    "photo 1-5: silver-tone rivets and oval twist hardware, not solid brass vintage Coach hardware",
                    "photo 1-5: no creed patch, no COACH wordmark, no hangtag, no horse-and-carriage visible",
                    "photo 1-3: rigid wicker top-handle basket silhouette matches no Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone rivets on handle attachments and front strap; oval metal turn-clasp eyelet on leather tab (photo 1, 5); no brass, no COACH stamping visible",
                    "leather_description": "only small dark brown leather trim tabs for closure and handle hinges (photo 1-3); body is woven wicker, not glove-tanned cowhide",
                    "lining_description": "photo 4-5: cotton fabric lining with all-over red\/green\/brown oval dot print",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "rigid woven wicker top handles with leather reinforcement tabs riveted at sides; no detachable shoulder strap",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: woven basket body, cotton print lining, silver rivet hardware and handle construction are inconsistent with any vintage Coach leather line per \u00a71, \u00a73.1-\u00a73.2",
                    "Seller text states 'Vintage basket handbag with cotton lining and leather fastenings' which matches photos and excludes glove-tanned Coach construction",
                    "Condition: Good to Very Good; wicker appears intact in photos 1-3, lining appears intact in photos 4-5, but bottom corners and full condition not fully gradable"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17587,
            "output_tokens": 814,
            "total_tokens": 18401,
            "estimated_cost_usd": 0.008988
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18094,
            "output_tokens": 1129,
            "total_tokens": 19223,
            "estimated_cost_usd": 0.004522
        }
    ]
}