Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.16,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.905,
    "recommended_max_bid": 9,
    "estimated_resale_low": 10,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather handbag with shoulder straps and multiple compartments.",
        "photo 2: seller inventory tag visibly identifies the item as a black Naturalizer bag, not Coach.",
        "photo 4: leather patchwork construction and decorative zigzag stitching are visible."
    ],
    "negative_evidence": [
        "photo 1: no Coach wordmark, horse-and-carriage, creed patch, or Coach hangtag is visible.",
        "photo 2: the silhouette and patchwork construction do not correspond closely to the listed classic Coach glove-tanned models.",
        "photo 4: the bag has a fabric-lined, zippered, highly compartmentalized construction rather than the typical unlined construction of many vintage Coach classics.",
        "photo 5: visible zipper hardware and interior construction provide no Coach-specific identifier.",
        "photo 7: visible Naturalizer inventory labeling supports a non-Coach identification.",
        "photo 1, photo 2: black patchwork construction with zigzag seams never used on vintage Coach classics",
        "photo 1, photo 2, photo 4: retail tag reads TULIP 2 BLACK LEATHER 802C52 and LIZER \/ NATURALIZER, identifying maker as Naturalizer",
        "photo 1-6: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 5, photo 6: no turnlock; closure is center zip plus gold-tone magnetic snaps",
        "photo 6: black fabric lining, not unlined suede-back glove-tanned leather",
        "photo 4, photo 5: black coil zipper with leather pull and gold-tone snaps, not solid brass Talon\/YKK vintage Coach hardware"
    ],
    "missing_information": [
        "photo 6: the interior is only partially shown; a full empty-interior view would confirm whether any hidden brand label is present.",
        "photo 5: zipper-pull and hardware close-ups are not sufficient to identify a maker's stamp.",
        "photo 1: bottom, corner, and strap-condition close-ups would improve condition and resale assessment.",
        "Interior fully shown in photo 6 with no Coach creed patch visible; no Coach identifiers to request",
        "Bottom view and maker label close-up not shown, but retail tag identifies maker as Naturalizer"
    ],
    "authenticity_concerns": [
        "photo 1: the visible design and Naturalizer inventory tag are inconsistent with a Coach attribution.",
        "photo 2: no Coach identifiers are visible anywhere on the exterior.",
        "photo 6: the fabric-lined, multi-compartment construction is inconsistent with a likely 1970s\u20131980s Coach classic.",
        "photo 1, photo 2, photo 3: patchwork body of mixed smooth, pebbled, embossed and suede-like panels inconsistent with vintage Coach glove-tanned construction",
        "photo 6: fabric-lined interior with magnetic snap closures and no creed patch inconsistent with 1980s Coach classic construction"
    ],
    "possible_model_reasoning": [
        "The listing title calls it a Naturalizer patchwork tulip bag, and photo 2 visibly shows a Naturalizer inventory tag; there is no plausible Coach model match.",
        "The shape is a soft, zippered, patchwork shoulder tote rather than a recognizable Coach City Bag, Court, Willis, Station, Dinky, or other catalog style.",
        "Condition: Good; visible surface wear, creasing, fuzzing at several stitched panel edges, and general handling wear (photos 1-4). Interior appears used but no major lining failure is visible in photo 6; odor and hidden damage are unknown.",
        "No Coach model fits: patchwork Tulip silhouette, magnetic-snap plus side-zip construction, fabric lining and Naturalizer retail tag do not match any catalog style in 4.2",
        "Serial decode: none - no creed or serial visible in photos",
        "Era reasoning: construction, fabric lining, coil zipper and Naturalizer Tulip tag indicate modern (2000s+) non-Coach department-store bag sold as 80s style",
        "Condition: Very Good; leather appears intact with light wear, no corner blowouts visible in photo 1-3, interior lining appears clean in photo 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: small gold-tone rivets\/snaps and black zipper hardware are visible; no Coach engraving is visible.",
        "leather_description": "photos 1-4: black leather or leather-like patchwork panels with mixed smooth and embossed\/textured surfaces; material cannot be confirmed as full-grain glove-tanned leather.",
        "lining_description": "photo 6: dark fabric lining and internal compartments are visible; no brand label or creed is visible.",
        "strap_construction": "photos 1, 2, and 5: two fixed black shoulder straps with stitched construction; additional side attachment details are visible.",
        "stitching_description": "photos 1-4: prominent contrasting zigzag\/appliqu\u00e9-style stitching around patchwork panels; stitching appears decorative and generally even, with some visible wear and fuzzing."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather handbag with shoulder straps and multiple compartments.",
                    "photo 2: seller inventory tag visibly identifies the item as a black Naturalizer bag, not Coach.",
                    "photo 4: leather patchwork construction and decorative zigzag stitching are visible."
                ],
                "negative_evidence": [
                    "photo 1: no Coach wordmark, horse-and-carriage, creed patch, or Coach hangtag is visible.",
                    "photo 2: the silhouette and patchwork construction do not correspond closely to the listed classic Coach glove-tanned models.",
                    "photo 4: the bag has a fabric-lined, zippered, highly compartmentalized construction rather than the typical unlined construction of many vintage Coach classics.",
                    "photo 5: visible zipper hardware and interior construction provide no Coach-specific identifier.",
                    "photo 7: visible Naturalizer inventory labeling supports a non-Coach identification."
                ],
                "missing_information": [
                    "photo 6: the interior is only partially shown; a full empty-interior view would confirm whether any hidden brand label is present.",
                    "photo 5: zipper-pull and hardware close-ups are not sufficient to identify a maker's stamp.",
                    "photo 1: bottom, corner, and strap-condition close-ups would improve condition and resale assessment."
                ],
                "authenticity_concerns": [
                    "photo 1: the visible design and Naturalizer inventory tag are inconsistent with a Coach attribution.",
                    "photo 2: no Coach identifiers are visible anywhere on the exterior.",
                    "photo 6: the fabric-lined, multi-compartment construction is inconsistent with a likely 1970s\u20131980s 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: small gold-tone rivets\/snaps and black zipper hardware are visible; no Coach engraving is visible.",
                    "leather_description": "photos 1-4: black leather or leather-like patchwork panels with mixed smooth and embossed\/textured surfaces; material cannot be confirmed as full-grain glove-tanned leather.",
                    "lining_description": "photo 6: dark fabric lining and internal compartments are visible; no brand label or creed is visible.",
                    "strap_construction": "photos 1, 2, and 5: two fixed black shoulder straps with stitched construction; additional side attachment details are visible.",
                    "stitching_description": "photos 1-4: prominent contrasting zigzag\/appliqu\u00e9-style stitching around patchwork panels; stitching appears decorative and generally even, with some visible wear and fuzzing."
                },
                "possible_model_reasoning": [
                    "The listing title calls it a Naturalizer patchwork tulip bag, and photo 2 visibly shows a Naturalizer inventory tag; there is no plausible Coach model match.",
                    "The shape is a soft, zippered, patchwork shoulder tote rather than a recognizable Coach City Bag, Court, Willis, Station, Dinky, or other catalog style.",
                    "Condition: Good; visible surface wear, creasing, fuzzing at several stitched panel edges, and general handling wear (photos 1-4). Interior appears used but no major lining failure is visible in photo 6; odor and hidden damage 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": [
                    "photo 1, photo 2, photo 3: patchwork body of mixed smooth, pebbled, embossed and suede-like panels inconsistent with vintage Coach glove-tanned construction",
                    "photo 6: fabric-lined interior with magnetic snap closures and no creed patch inconsistent with 1980s Coach classic construction"
                ],
                "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": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "Interior fully shown in photo 6 with no Coach creed patch visible; no Coach identifiers to request",
                    "Bottom view and maker label close-up not shown, but retail tag identifies maker as Naturalizer"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: black patchwork construction with zigzag seams never used on vintage Coach classics",
                    "photo 1, photo 2, photo 4: retail tag reads TULIP 2 BLACK LEATHER 802C52 and LIZER \/ NATURALIZER, identifying maker as Naturalizer",
                    "photo 1-6: no Coach creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 5, photo 6: no turnlock; closure is center zip plus gold-tone magnetic snaps",
                    "photo 6: black fabric lining, not unlined suede-back glove-tanned leather",
                    "photo 4, photo 5: black coil zipper with leather pull and gold-tone snaps, not solid brass Talon\/YKK vintage Coach hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone magnetic snaps (photo 5, photo 6) and black side zipper with leather pull and brass-tone rivet (photo 4); no solid brass turnlock, buckles or dogleash clips",
                    "leather_description": "black patchwork leather with mixed smooth, pebbled, embossed paisley and suede-nap panels (photo 1, photo 2, photo 3)",
                    "lining_description": "black fabric lining visible in interior compartment (photo 6)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting straight and zigzag overlock patchwork seams throughout (photo 1, photo 2, photo 3)",
                    "strap_construction": "two fixed narrow shoulder straps sewn to body, no buckle adjustment or detachable clips visible (photo 1, photo 5)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: patchwork Tulip silhouette, magnetic-snap plus side-zip construction, fabric lining and Naturalizer retail tag do not match any catalog style in 4.2",
                    "Serial decode: none - no creed or serial visible in photos",
                    "Era reasoning: construction, fabric lining, coil zipper and Naturalizer Tulip tag indicate modern (2000s+) non-Coach department-store bag sold as 80s style",
                    "Condition: Very Good; leather appears intact with light wear, no corner blowouts visible in photo 1-3, interior lining appears clean in photo 6, bottom not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 33099,
            "output_tokens": 867,
            "total_tokens": 33966,
            "estimated_cost_usd": 0.01532
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 35569,
            "output_tokens": 1773,
            "total_tokens": 37342,
            "estimated_cost_usd": 0.008532
        }
    ]
}