Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.81,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.93,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 2: the front clearly bears a Montana West wordmark, identifying a different brand rather than Coach",
        "photo 2: the diamond-quilted, glossy black material and lightweight-looking construction are inconsistent with vintage Coach glove-tanned leather",
        "photo 2: the tote has simple riveted shoulder straps and no visible Coach turnlock, carriage, or vintage Coach construction cues",
        "photos 1-6: the listing uses polished promotional\/stock-style imagery and shows a contemporary fashion tote, not a documented vintage Coach bag",
        "photo 3: MontanaWest script logo on front center, not COACH wordmark or horse-and-carriage",
        "photo 3: black diamond-quilted tote with riveted fixed shoulder straps, not a vintage Coach glove-tanned silhouette",
        "photo 3: shiny gold-tone rivets, not solid brass vintage Coach hardware and no turnlock",
        "photo 1-6: no creed patch, no COACH hangtag, no solid-brass turnlock visible"
    ],
    "missing_information": [
        "photo 2: interior, creed area, and any sewn-in brand or material label are not shown",
        "photo 2: bottom, side profile, hardware close-ups, and strap attachment details are not shown",
        "photo 2: seller-stated material composition and country of manufacture are not provided",
        "photo 1-6: interior never shown so lining and creed cannot be checked",
        "photo 1-6: back, side, bottom and hardware close-ups not shown",
        "photo 1-6: no creed patch or fabric tag shown"
    ],
    "authenticity_concerns": [
        "photo 2: the visible Montana West branding is inconsistent with Coach manufacture",
        "photos 1-6: no Coach identifier is visible; the bag should not be treated as Coach based on silhouette or quilting"
    ],
    "possible_model_reasoning": [
        "photo 2: this is a contemporary Montana West quilted tote, not a recognizable Coach catalog model",
        "photo 4: promotional dimensions are shown as approximately 15.5 inches wide by 10 inches high, supporting a modern laptop-size tote classification",
        "condition: image-based condition appears Like New, but the promotional photos do not establish actual used condition; interior, bottom, odor, and hidden wear are unknown",
        "photo 3: MontanaWest branding identifies it as Montana West quilted tote, not Coach",
        "No Coach identifiers in any photo: no creed, no COACH wordmark, no turnlock, no hangtag",
        "Silhouette 15.5x10 in zip-top tote with quilted faux leather is modern fast-fashion, inconsistent with vintage Coach classics",
        "Condition: New-appearing stock\/catalog images; no wear visible"
    ],
    "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 2: small gold-tone rivets at the strap attachments; no turnlock or Coach-engraved hardware is visible",
        "leather_description": "photo 2: black diamond-quilted, smooth glossy material; leather versus synthetic composition cannot be confirmed from the photos",
        "lining_description": "not_visible",
        "strap_construction": "photo 2: two long, narrow fixed shoulder straps, stitched and riveted to the front and rear upper edges",
        "stitching_description": "photo 2: visible perimeter and quilting stitches appear generally even; close inspection of stress points is unavailable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 2: the front clearly bears a Montana West wordmark, identifying a different brand rather than Coach",
                    "photo 2: the diamond-quilted, glossy black material and lightweight-looking construction are inconsistent with vintage Coach glove-tanned leather",
                    "photo 2: the tote has simple riveted shoulder straps and no visible Coach turnlock, carriage, or vintage Coach construction cues",
                    "photos 1-6: the listing uses polished promotional\/stock-style imagery and shows a contemporary fashion tote, not a documented vintage Coach bag"
                ],
                "missing_information": [
                    "photo 2: interior, creed area, and any sewn-in brand or material label are not shown",
                    "photo 2: bottom, side profile, hardware close-ups, and strap attachment details are not shown",
                    "photo 2: seller-stated material composition and country of manufacture are not provided"
                ],
                "authenticity_concerns": [
                    "photo 2: the visible Montana West branding is inconsistent with Coach manufacture",
                    "photos 1-6: no Coach identifier is visible; the bag should not be treated as Coach based on silhouette or quilting"
                ],
                "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 2: small gold-tone rivets at the strap attachments; no turnlock or Coach-engraved hardware is visible",
                    "leather_description": "photo 2: black diamond-quilted, smooth glossy material; leather versus synthetic composition cannot be confirmed from the photos",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2: two long, narrow fixed shoulder straps, stitched and riveted to the front and rear upper edges",
                    "stitching_description": "photo 2: visible perimeter and quilting stitches appear generally even; close inspection of stress points is unavailable"
                },
                "possible_model_reasoning": [
                    "photo 2: this is a contemporary Montana West quilted tote, not a recognizable Coach catalog model",
                    "photo 4: promotional dimensions are shown as approximately 15.5 inches wide by 10 inches high, supporting a modern laptop-size tote classification",
                    "condition: image-based condition appears Like New, but the promotional photos do not establish actual used condition; interior, bottom, odor, and hidden wear are unknown"
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-6: interior never shown so lining and creed cannot be checked",
                    "photo 1-6: back, side, bottom and hardware close-ups not shown",
                    "photo 1-6: no creed patch or fabric tag shown"
                ],
                "negative_evidence": [
                    "photo 3: MontanaWest script logo on front center, not COACH wordmark or horse-and-carriage",
                    "photo 3: black diamond-quilted tote with riveted fixed shoulder straps, not a vintage Coach glove-tanned silhouette",
                    "photo 3: shiny gold-tone rivets, not solid brass vintage Coach hardware and no turnlock",
                    "photo 1-6: no creed patch, no COACH hangtag, no solid-brass turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone round rivets securing shoulder straps; no turnlock, no brass dogleash clips, no zipper pull visible",
                    "leather_description": "black diamond-quilted material with smooth high-sheen faux-leather look, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "diamond-quilt pattern stitching plus edge stitching on straps and top edge; even machine stitching",
                    "strap_construction": "two fixed long shoulder straps riveted to tote body, not buckle-adjustable or dogleash-detachable",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 3: MontanaWest branding identifies it as Montana West quilted tote, not Coach",
                    "No Coach identifiers in any photo: no creed, no COACH wordmark, no turnlock, no hangtag",
                    "Silhouette 15.5x10 in zip-top tote with quilted faux leather is modern fast-fashion, inconsistent with vintage Coach classics",
                    "Condition: New-appearing stock\/catalog images; no wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
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            "estimated_cost_usd": 0.01311
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        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}