Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.3,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.825,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.895,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather shoulder bag with substantial patchwork construction.",
        "photo 3: Leather-looking materials and metal strap hardware are visible."
    ],
    "negative_evidence": [
        "photo 1: The bag has extensive multicolor patchwork, decorative black whipstitching, and patterned leather panels, unlike the classic solid-leather Coach silhouettes shown in the catalog.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or recognizable Coach closure.",
        "photo 4: Interior uses fabric lining and a zip-top construction; no Coach creed patch is visible.",
        "photo 5: The visible interior pocket area has no readable Coach label or serial tag.",
        "photo 6: The bag uses generic-looking dark zipper hardware and decorative construction rather than identifiable vintage Coach hardware.",
        "listing: Seller describes it as unbranded, with no Coach claim or Coach-specific identifier.",
        "photo 1,2,3: patchwork squares with black whipstitch lacing and mixed embossed leathers - no Coach catalog silhouette or material matches this boho construction",
        "photo 4,5,6: brown woven fabric lining with interior zip pocket - vintage Coach classics are unlined suede, not fully fabric-lined",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1,2,3: zip-top with exterior snap pocket, thin riveted strap on D-rings - no solid-brass turnlock, dogleash clips, or buckle-adjust Coach hardware",
        "photo 4: antiqued base-metal snap and rivets, coil zipper - not solid brass Talon\/YKK Coach hardware"
    ],
    "missing_information": [
        "photo 2: Bottom and all four corners are not shown clearly enough to evaluate wear and construction fully.",
        "photo 4: A straight-on, high-resolution inspection of every interior wall and pocket seam would confirm whether any hidden brand label or fabric tag exists.",
        "photo 3: Close-ups of zipper pulls, strap rings, rivets, and any hardware markings would help identify the maker.",
        "photo 1: Seller-stated dimensions and material details are absent.",
        "photo of any interior leather creed patch or fabric brand tag in high resolution to confirm no Coach identifier",
        "photo of bottom and corners and hardware stamps"
    ],
    "authenticity_concerns": [
        "photo 1: The patchwork, patterned leather, and heavy whipstitch decoration are generic\/lookalike design cues rather than evidence of Coach manufacture.",
        "photo 4: Fabric lining and the absence of a visible creed are inconsistent with many classic vintage Coach glove-tanned styles, though some later Coach bags were lined.",
        "photo 6: No Coach identifier is visible anywhere in the provided photos; this should be treated as a likely non-Coach bag rather than an unidentified Coach classic."
    ],
    "possible_model_reasoning": [
        "photo 1: Silhouette is a generic patchwork shoulder or hobo-style bag, not a close match to the listed classic Coach models; no Coach model is assigned.",
        "photos 4-7: Interior is visible enough to assess that no creed or serial can be read; the bag is likely a generic leather patchwork item.",
        "photos 1-3: Condition appears Good to Very Good: substantial creasing, scuffs, discoloration, and wear are visible, but no obvious major tear or broken hardware is shown. Bottom and strap stress points are incompletely documented.",
        "No Coach model fits: patchwork whipstitch boho satchel silhouette, zip-top, fabric lining and riveted strap do not match any Classic glove-tanned style (City, Willis, Court, Station, Duffle, etc.)",
        "Era reasoning: fabric lining, coil zippers, patchwork boho styling indicate modern (2000s+) non-Coach fast-fashion\/boho bag",
        "Condition: Very Good; exterior patchwork intact (photo 1-3), lining clean with no major stains (photo 5-6), bottom 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: Dark metal-colored zipper and strap rings\/rivets are visible; no turnlock, Coach engraving, or hangtag is visible.",
        "leather_description": "photos 1-3: Brown, tan, reddish, and dark leather-looking patchwork panels with patterned and textured sections; surface wear and pronounced creasing are visible.",
        "lining_description": "photos 4-7: Brown\/tan fabric lining with an interior zip pocket; no brand label or creed patch is visible.",
        "strap_construction": "photos 1 and 3: Narrow shoulder strap attached at the sides with folded leather tabs, metal rings, and rivet-like fasteners.",
        "stitching_description": "photos 1-3: Prominent contrasting whipstitch\/lacing joins the patchwork panels; additional visible machine stitching appears generally even but decorative and non-Coach-specific."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0098,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather shoulder bag with substantial patchwork construction.",
                    "photo 3: Leather-looking materials and metal strap hardware are visible."
                ],
                "negative_evidence": [
                    "photo 1: The bag has extensive multicolor patchwork, decorative black whipstitching, and patterned leather panels, unlike the classic solid-leather Coach silhouettes shown in the catalog.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or recognizable Coach closure.",
                    "photo 4: Interior uses fabric lining and a zip-top construction; no Coach creed patch is visible.",
                    "photo 5: The visible interior pocket area has no readable Coach label or serial tag.",
                    "photo 6: The bag uses generic-looking dark zipper hardware and decorative construction rather than identifiable vintage Coach hardware.",
                    "listing: Seller describes it as unbranded, with no Coach claim or Coach-specific identifier."
                ],
                "missing_information": [
                    "photo 2: Bottom and all four corners are not shown clearly enough to evaluate wear and construction fully.",
                    "photo 4: A straight-on, high-resolution inspection of every interior wall and pocket seam would confirm whether any hidden brand label or fabric tag exists.",
                    "photo 3: Close-ups of zipper pulls, strap rings, rivets, and any hardware markings would help identify the maker.",
                    "photo 1: Seller-stated dimensions and material details are absent."
                ],
                "authenticity_concerns": [
                    "photo 1: The patchwork, patterned leather, and heavy whipstitch decoration are generic\/lookalike design cues rather than evidence of Coach manufacture.",
                    "photo 4: Fabric lining and the absence of a visible creed are inconsistent with many classic vintage Coach glove-tanned styles, though some later Coach bags were lined.",
                    "photo 6: No Coach identifier is visible anywhere in the provided photos; this should be treated as a likely non-Coach bag rather than an unidentified Coach classic."
                ],
                "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: Dark metal-colored zipper and strap rings\/rivets are visible; no turnlock, Coach engraving, or hangtag is visible.",
                    "leather_description": "photos 1-3: Brown, tan, reddish, and dark leather-looking patchwork panels with patterned and textured sections; surface wear and pronounced creasing are visible.",
                    "lining_description": "photos 4-7: Brown\/tan fabric lining with an interior zip pocket; no brand label or creed patch is visible.",
                    "strap_construction": "photos 1 and 3: Narrow shoulder strap attached at the sides with folded leather tabs, metal rings, and rivet-like fasteners.",
                    "stitching_description": "photos 1-3: Prominent contrasting whipstitch\/lacing joins the patchwork panels; additional visible machine stitching appears generally even but decorative and non-Coach-specific."
                },
                "possible_model_reasoning": [
                    "photo 1: Silhouette is a generic patchwork shoulder or hobo-style bag, not a close match to the listed classic Coach models; no Coach model is assigned.",
                    "photos 4-7: Interior is visible enough to assess that no creed or serial can be read; the bag is likely a generic leather patchwork item.",
                    "photos 1-3: Condition appears Good to Very Good: substantial creasing, scuffs, discoloration, and wear are visible, but no obvious major tear or broken hardware is shown. Bottom and strap stress points are incompletely documented."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 12,
                "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": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of any interior leather creed patch or fabric brand tag in high resolution to confirm no Coach identifier",
                    "photo of bottom and corners and hardware stamps"
                ],
                "negative_evidence": [
                    "photo 1,2,3: patchwork squares with black whipstitch lacing and mixed embossed leathers - no Coach catalog silhouette or material matches this boho construction",
                    "photo 4,5,6: brown woven fabric lining with interior zip pocket - vintage Coach classics are unlined suede, not fully fabric-lined",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1,2,3: zip-top with exterior snap pocket, thin riveted strap on D-rings - no solid-brass turnlock, dogleash clips, or buckle-adjust Coach hardware",
                    "photo 4: antiqued base-metal snap and rivets, coil zipper - not solid brass Talon\/YKK Coach hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark antiqued-tone base metal D-rings, rivets, snap and coil zippers; no solid brass turnlock, no branded pulls visible",
                    "leather_description": "patchwork brown leathers in varying grains and embossed\/printed patterns joined with black leather whipstitch lacing",
                    "lining_description": "brown woven fabric lining with interior zip pocket visible in photo 6; not unlined glove-tanned suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "machine zigzag seaming plus decorative black leather lacing at patch joints",
                    "strap_construction": "narrow dark brown single shoulder strap riveted to body with D-rings, non-adjustable buckle visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: patchwork whipstitch boho satchel silhouette, zip-top, fabric lining and riveted strap do not match any Classic glove-tanned style (City, Willis, Court, Station, Duffle, etc.)",
                    "Era reasoning: fabric lining, coil zippers, patchwork boho styling indicate modern (2000s+) non-Coach fast-fashion\/boho bag",
                    "Condition: Very Good; exterior patchwork intact (photo 1-3), lining clean with no major stains (photo 5-6), bottom not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33099,
            "output_tokens": 1120,
            "total_tokens": 34219,
            "estimated_cost_usd": 0.015928
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35569,
            "output_tokens": 1320,
            "total_tokens": 36889,
            "estimated_cost_usd": 0.00817
        }
    ]
}