Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.11,
    "vintage_probability": 0.23,
    "authenticity_confidence": 0.09,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.15,
    "confidence": 0.72,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather bucket-bag silhouette and drawstring construction are clearly visible",
        "photo 5: suede-like interior is visible, but no Coach creed or label can be seen",
        "photo 5: unlined suede-back interior consistent with vintage glove-tanned construction technique",
        "photo 1-3: soft tan leather bucket silhouette broadly similar to vintage bucket\/duffle family",
        "photo 1-6: 11x11 size and shoulder strap proportions plausible for 1990s shoulder bucket"
    ],
    "negative_evidence": [
        "photo 1: no visible COACH wordmark, horse-and-carriage mark, hangtag, or creed patch",
        "photo 2: silver-tone hardware and generic strap attachments do not strongly match typical brass-hardware vintage Coach classics",
        "photo 3: drawstring tassel construction and vertical center seam are not sufficient to identify a Coach model",
        "photo 4: strap has generic silver-tone adjustment hardware rather than distinctive vintage Coach construction",
        "photo 6: visible zipper has no legible Coach or period-specific zipper marking",
        "photo 2,4: silver\/nickel-tone strap clips, not solid brass expected on vintage Coach classics",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
        "photo 3,6: side-seam exterior zip pocket and tassel-ended drawstring not matching Coach Duffle Sac 9085 or other catalog buckets",
        "photo 4: wide padded shoulder pad with rectangular slide, not Coach dogleash\/buckle strap construction"
    ],
    "missing_information": [
        "photo 5: interior is only partially shown; request a fully emptied interior and every interior wall\/pocket",
        "request close-up photographs of all interior labels, leather patches, fabric tags, and seams",
        "request close-ups of zipper pull, strap clips, and all hardware markings",
        "request bottom, corners, and full strap-condition photographs",
        "photo of interior back wall \/ slip pocket straight-on for creed patch in raking light",
        "photo of hangtag both faces if present",
        "close-up of zipper slider brand stamp and strap clip hardware tone",
        "bottom view showing corners and feet",
        "confirmation of odor\/mold inside (photo 5 shows spots)"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, and the bag's generic construction provides little support for Coach manufacture",
        "Silver-tone hardware is less consistent with a classic 1970s\u2013early-1990s Coach bucket bag, though this alone is not proof of a replica"
    ],
    "possible_model_reasoning": [
        "The silhouette is a leather drawstring bucket bag, but it does not visibly correspond to a confirmed Coach catalog model.",
        "The large dimensions and shoulder strap could superficially resemble a bucket or duffle-style bag, but no Coach-specific identifier supports a model assignment.",
        "Condition: Fair to Good; missing or incomplete drawstring\/closure components are seller-stated, visible wear and creasing appear in photos 1-6, and the interior shows dirt or staining in photo 5.",
        "No Coach catalog match: Duffle Sac (9085) has wide buckle-adjust strap at both sides, solid brass, no side zip and no tassel drawstring; this bag has nickel clips, side zip, tassels and padded strap",
        "No creed\/serial\/wordmark visible to decode era; construction (nickel hardware, side zip) points away from 1970s-early 1990s Coach classics",
        "Condition: Good to Fair; surface wear\/scuffs, interior spots (photo 5), missing zipper pull and missing cinch leather piece per seller (photo 3 shows drawstring present but cinch loop incomplete)"
    ],
    "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: silver-tone strap clips and adjustment hardware; no visible branding or turnlock",
        "leather_description": "photos 1-4: tan, soft-looking smooth leather with substantial wrinkling, creasing, and surface wear",
        "lining_description": "photo 5: light-colored suede-like interior with visible dirt or staining; full lining and pockets not shown",
        "strap_construction": "photos 2-4: adjustable leather shoulder strap with silver-tone clips and stitched padded shoulder section",
        "stitching_description": "photos 1-4: generally even tonal stitching, with multiple decorative vertical seams and visible wear-related creasing"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0079,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.06,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather bucket-bag silhouette and drawstring construction are clearly visible",
                    "photo 5: suede-like interior is visible, but no Coach creed or label can be seen"
                ],
                "negative_evidence": [
                    "photo 1: no visible COACH wordmark, horse-and-carriage mark, hangtag, or creed patch",
                    "photo 2: silver-tone hardware and generic strap attachments do not strongly match typical brass-hardware vintage Coach classics",
                    "photo 3: drawstring tassel construction and vertical center seam are not sufficient to identify a Coach model",
                    "photo 4: strap has generic silver-tone adjustment hardware rather than distinctive vintage Coach construction",
                    "photo 6: visible zipper has no legible Coach or period-specific zipper marking"
                ],
                "missing_information": [
                    "photo 5: interior is only partially shown; request a fully emptied interior and every interior wall\/pocket",
                    "request close-up photographs of all interior labels, leather patches, fabric tags, and seams",
                    "request close-ups of zipper pull, strap clips, and all hardware markings",
                    "request bottom, corners, and full strap-condition photographs"
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, and the bag's generic construction provides little support for Coach manufacture",
                    "Silver-tone hardware is less consistent with a classic 1970s\u2013early-1990s Coach bucket bag, though this alone is not proof of a replica"
                ],
                "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: silver-tone strap clips and adjustment hardware; no visible branding or turnlock",
                    "leather_description": "photos 1-4: tan, soft-looking smooth leather with substantial wrinkling, creasing, and surface wear",
                    "lining_description": "photo 5: light-colored suede-like interior with visible dirt or staining; full lining and pockets not shown",
                    "strap_construction": "photos 2-4: adjustable leather shoulder strap with silver-tone clips and stitched padded shoulder section",
                    "stitching_description": "photos 1-4: generally even tonal stitching, with multiple decorative vertical seams and visible wear-related creasing"
                },
                "possible_model_reasoning": [
                    "The silhouette is a leather drawstring bucket bag, but it does not visibly correspond to a confirmed Coach catalog model.",
                    "The large dimensions and shoulder strap could superficially resemble a bucket or duffle-style bag, but no Coach-specific identifier supports a model assignment.",
                    "Condition: Fair to Good; missing or incomplete drawstring\/closure components are seller-stated, visible wear and creasing appear in photos 1-6, and the interior shows dirt or staining in photo 5."
                ],
                "confidence": 0.82,
                "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": 0.15,
                "coach_probability": 0.18,
                "confidence": 0.62,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket straight-on for creed patch in raking light",
                    "photo of hangtag both faces if present",
                    "close-up of zipper slider brand stamp and strap clip hardware tone",
                    "bottom view showing corners and feet",
                    "confirmation of odor\/mold inside (photo 5 shows spots)"
                ],
                "negative_evidence": [
                    "photo 2,4: silver\/nickel-tone strap clips, not solid brass expected on vintage Coach classics",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
                    "photo 3,6: side-seam exterior zip pocket and tassel-ended drawstring not matching Coach Duffle Sac 9085 or other catalog buckets",
                    "photo 4: wide padded shoulder pad with rectangular slide, not Coach dogleash\/buckle strap construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver\/nickel-tone rectangular strap clips (photo 2,4); brass-tone side zip teeth with missing leather pull (photo 6, seller states missing pull)",
                    "leather_description": "tan\/beige soft smooth leather with wrinkles and surface wear, suede back visible at top edge; not clearly glove-tanned patina",
                    "lining_description": "unlined suede-back interior (photo 5) with interior seam binding, some dark spots\/stains on bottom",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-on-tone straight stitching, double rows on center seam and top edge (photo 1,2)",
                    "strap_construction": "single shoulder strap with wide padded top section (photo 4) attached via metal clips to top tabs; 11 inch drop per seller",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 5: unlined suede-back interior consistent with vintage glove-tanned construction technique",
                    "photo 1-3: soft tan leather bucket silhouette broadly similar to vintage bucket\/duffle family",
                    "photo 1-6: 11x11 size and shoulder strap proportions plausible for 1990s shoulder bucket"
                ],
                "possible_model_reasoning": [
                    "No Coach catalog match: Duffle Sac (9085) has wide buckle-adjust strap at both sides, solid brass, no side zip and no tassel drawstring; this bag has nickel clips, side zip, tassels and padded strap",
                    "No creed\/serial\/wordmark visible to decode era; construction (nickel hardware, side zip) points away from 1970s-early 1990s Coach classics",
                    "Condition: Good to Fair; surface wear\/scuffs, interior spots (photo 5), missing zipper pull and missing cinch leather piece per seller (photo 3 shows drawstring present but cinch loop incomplete)"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.18,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18132,
            "output_tokens": 807,
            "total_tokens": 18939,
            "estimated_cost_usd": 0.00919
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18684,
            "output_tokens": 1416,
            "total_tokens": 20100,
            "estimated_cost_usd": 0.00487
        }
    ]
}