Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.085,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.61,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.785,
    "recommended_max_bid": 11.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather handbag with two shoulder straps and an exterior zip pocket is clearly visible",
        "photo 1: is a leather-type tote handbag shape in the broad population where misidentified bags could hide"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, hangtag, creed patch, or recognizable classic Coach construction",
        "photo 1: decorative woven edge treatment, riveted strap ornaments, and multiple decorative details do not match the typical understated construction of vintage Coach classics",
        "photo 2: patterned fabric lining and multiple interior zip compartments are visible, with no readable Coach identifier",
        "photo 1: pebbled gray leather and ornate stitching suggest a generic or handmade fashion bag rather than glove-tanned vintage Coach",
        "photo 1: whipstitched\/laced edge construction around tote perimeter never used on vintage Coach classics",
        "photo 2: fully lined interior with colorful printed polyester medallion-pattern fabric; vintage Coach classics are unlined suede-back glove-tanned",
        "photo 1-2: double thin shoulder straps with triple-rivet tabs and brass-tone rings plus knotted tassel ties inconsistent with Coach strap construction",
        "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: exterior back zip pocket with long bar zipper pull, not Talon\/YKK Coach configuration"
    ],
    "missing_information": [
        "photo 2: a straight-on close-up of every interior wall and pocket seam could confirm whether a small brand or creed label is hidden",
        "photos: bottom, side panels, strap ends, zipper pulls, and any attached tags are not shown in detail",
        "seller-stated dimensions, country of manufacture, and any maker markings are unavailable",
        "photo 1-2 are blurry with limited detail; no straight-on creed\/interior patch photo shown",
        "no bottom, side, hardware close-up views shown",
        "no hangtag, wordmark, or made-in tag visible to verify maker"
    ],
    "authenticity_concerns": [
        "photo 1: no Coach-specific identifier or construction cue is visible; the bag appears to be a non-Coach lookalike or unrelated leather handbag rather than a Coach product",
        "photo 2: patterned textile lining and ornate multi-zip construction are inconsistent with the classic unlined glove-tanned Coach styles suggested by a vintage listing"
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a large decorative shoulder tote, but it does not closely match a cataloged vintage Coach model; no Coach model is proposed",
        "photo 2: the interior is lined and compartmentalized, which favors a modern or generic fashion handbag over an unlined 1970s\u20131990s Coach classic",
        "Condition: approximately Very Good to Excellent from the visible exterior and interior; seller claims never worn, but only two views are provided and bottom, corners, odor, and hardware function are unverified",
        "Silhouette with whipstitch edges, riveted double handles, exterior zip pocket and all-over printed fabric lining does not match any Coach catalog style in 1970s-2000s; matches modern boho fast-fashion \/ Fossil-style tote construction, so no Coach model ranked. Condition: appears Good with surface wear but photos too blurry for formal grade; lining intact in photo 2."
    ],
    "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: gold-tone rivets, rings, strap connectors, and a long zipper pull are visible; no Coach engraving is legible",
        "leather_description": "photo 1: gray, pebbled or textured leather-like exterior with decorative woven edge trim; exact leather type is not verifiable",
        "lining_description": "photo 2: fabric lining with dense small multicolor geometric print and multiple zippered compartments",
        "strap_construction": "photo 1: two fixed shoulder straps with decorative riveted leather tabs and gold-tone ring connectors",
        "stitching_description": "photo 1: prominent contrasting woven\/laced trim around the upper edge and side seams; ordinary perimeter stitching is visible but not sufficiently detailed for quality assessment"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0022,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather handbag with two shoulder straps and an exterior zip pocket is clearly visible"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, hangtag, creed patch, or recognizable classic Coach construction",
                    "photo 1: decorative woven edge treatment, riveted strap ornaments, and multiple decorative details do not match the typical understated construction of vintage Coach classics",
                    "photo 2: patterned fabric lining and multiple interior zip compartments are visible, with no readable Coach identifier",
                    "photo 1: pebbled gray leather and ornate stitching suggest a generic or handmade fashion bag rather than glove-tanned vintage Coach"
                ],
                "missing_information": [
                    "photo 2: a straight-on close-up of every interior wall and pocket seam could confirm whether a small brand or creed label is hidden",
                    "photos: bottom, side panels, strap ends, zipper pulls, and any attached tags are not shown in detail",
                    "seller-stated dimensions, country of manufacture, and any maker markings are unavailable"
                ],
                "authenticity_concerns": [
                    "photo 1: no Coach-specific identifier or construction cue is visible; the bag appears to be a non-Coach lookalike or unrelated leather handbag rather than a Coach product",
                    "photo 2: patterned textile lining and ornate multi-zip construction are inconsistent with the classic unlined glove-tanned Coach styles suggested by a vintage listing"
                ],
                "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: gold-tone rivets, rings, strap connectors, and a long zipper pull are visible; no Coach engraving is legible",
                    "leather_description": "photo 1: gray, pebbled or textured leather-like exterior with decorative woven edge trim; exact leather type is not verifiable",
                    "lining_description": "photo 2: fabric lining with dense small multicolor geometric print and multiple zippered compartments",
                    "strap_construction": "photo 1: two fixed shoulder straps with decorative riveted leather tabs and gold-tone ring connectors",
                    "stitching_description": "photo 1: prominent contrasting woven\/laced trim around the upper edge and side seams; ordinary perimeter stitching is visible but not sufficiently detailed for quality assessment"
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a large decorative shoulder tote, but it does not closely match a cataloged vintage Coach model; no Coach model is proposed",
                    "photo 2: the interior is lined and compartmentalized, which favors a modern or generic fashion handbag over an unlined 1970s\u20131990s Coach classic",
                    "Condition: approximately Very Good to Excellent from the visible exterior and interior; seller claims never worn, but only two views are provided and bottom, corners, odor, and hardware function are unverified"
                ],
                "confidence": 0.82,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.75,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-2 are blurry with limited detail; no straight-on creed\/interior patch photo shown",
                    "no bottom, side, hardware close-up views shown",
                    "no hangtag, wordmark, or made-in tag visible to verify maker"
                ],
                "negative_evidence": [
                    "photo 1: whipstitched\/laced edge construction around tote perimeter never used on vintage Coach classics",
                    "photo 2: fully lined interior with colorful printed polyester medallion-pattern fabric; vintage Coach classics are unlined suede-back glove-tanned",
                    "photo 1-2: double thin shoulder straps with triple-rivet tabs and brass-tone rings plus knotted tassel ties inconsistent with Coach strap construction",
                    "photo 1-2: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: exterior back zip pocket with long bar zipper pull, not Talon\/YKK Coach configuration"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone rings and dome rivets at handle tabs in photo 1; brass-tone zippers with long bar pull in photo 1-2; no COACH stamping visible",
                    "leather_description": "grayish distressed grain faux or coated leather appearance in photo 1; not smooth glove-tanned cowhide with patina",
                    "lining_description": "photo 2: fully lined with light fabric printed with yellow-red-green circular medallion pattern; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting whipstitch lacing around top and side edges in photo 1-2; handle tab stitching visible but not tight matched Coach stitching",
                    "strap_construction": "photo 1: double shoulder handles attached via riveted leather tabs to rings; no buckle-adjustable or dogleash-clip Coach construction visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: is a leather-type tote handbag shape in the broad population where misidentified bags could hide"
                ],
                "possible_model_reasoning": [
                    "Silhouette with whipstitch edges, riveted double handles, exterior zip pocket and all-over printed fabric lining does not match any Coach catalog style in 1970s-2000s; matches modern boho fast-fashion \/ Fossil-style tote construction, so no Coach model ranked. Condition: appears Good with surface wear but photos too blurry for formal grade; lining intact in photo 2."
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16093,
            "output_tokens": 779,
            "total_tokens": 16872,
            "estimated_cost_usd": 0.008307
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16465,
            "output_tokens": 1185,
            "total_tokens": 17650,
            "estimated_cost_usd": 0.004241
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}