Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.8,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.905,
    "recommended_max_bid": 16,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: complete shoulder handbag silhouette with multiple compartments and attached shoulder strap.",
        "photo 4: visible zipper construction and silver-tone hardware are consistent with a modern fashion handbag, but not specifically Coach."
    ],
    "negative_evidence": [
        "photo 1: large hand-painted Shin-Chan and Shiro artwork; no visible Coach wordmark, carriage, or other Coach identifier.",
        "photo 3: smooth pale synthetic-looking exterior with silver-tone hardware and a blank decorative hangtag, unlike typical vintage Coach glove-tanned leather and brass hardware.",
        "photo 5: synthetic-looking lining, modern zipper construction, and no visible creed patch or Coach stamp.",
        "photo 6: beige\/gray herringbone-pattern synthetic lining is inconsistent with classic unlined vintage Coach construction.",
        "Listing text: seller identifies the material as PU\/faux leather and the lining as synthetic, both strongly against vintage Coach.",
        "photo 3,5,6: smooth cream faux\/PU leather with uniform synthetic grain, not glove-tanned cowhide",
        "photo 5,6: polished silver-tone \/ nickel hardware with stylized-A zipper pulls, not solid brass vintage hardware",
        "photo 6: beige\/gray herringbone woven synthetic lining with multi-compartment organizer interior, not unlined suede",
        "photo 1,2,4: large hand-painted anime \/ floral artwork covering exterior, not a Coach catalog silhouette or finish",
        "photo 1-4: modern structured shoulder tote \/ organizer shape with no turnlock, no brass dogleash clips, no Coach identifiers"
    ],
    "missing_information": [
        "photo 1\/photo 4: no straight-on interior creed-patch close-up is provided.",
        "photo 3\/photo 5: no readable brand label, country-of-manufacture tag, or style number is shown.",
        "photo 5: zipper-pull markings are not legibly identifiable as a Coach mark.",
        "No bottom, corner, or full strap-condition close-up is provided.",
        "no creed patch visible in any photo - interior back wall \/ slip pocket not shown with Coach patch",
        "no COACH wordmark, horse-and-carriage, or serial number visible to verify",
        "no hardware brand stamps shown beyond stylized-A zipper pull (photo 5)"
    ],
    "authenticity_concerns": [
        "photo 3\/photo 5: synthetic PU exterior, synthetic patterned lining, and silver-tone modern hardware are internally inconsistent with a vintage Coach classic.",
        "photo 1\/photo 4: hand-painted character artwork and custom decorative elements appear aftermarket or artist-created rather than Coach manufacture; no evidence supports a Coach base bag.",
        "photo 5: the visible zipper and hardware provide no Coach-specific authentication evidence."
    ],
    "possible_model_reasoning": [
        "The large structured shoulder-bag shape is generic and does not closely establish a Coach model.",
        "The modern synthetic exterior, patterned lining, silver-tone hardware, and custom painted artwork support a private-label or altered fashion handbag rather than a vintage Coach style.",
        "Condition: approximately Very Good based on the provided photos; artwork and exterior appear intact, but bottom, corners, odor, and long-term PU condition are not fully assessable.",
        "modern private-label organizer shoulder tote base customized with OOAK hand-painted Shin-Chan art; materials (PU, silver hardware, herringbone poly lining) and construction point to 2000s+ fast-fashion, inconsistent with any vintage Coach glove-tanned classic",
        "no creed, no serial, no wordmark, no turnlock, no solid brass, no unlined suede interior to support any Coach model",
        "Condition: Good to Very Good as wearable-art base - exterior paint appears intact (photo 1,4), cream trim shows light handling (photo 3), interior clean (photo 6); odor, bottom corners and full strap not fully shown"
    ],
    "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": true,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 3: silver-tone metal rings, rivets, zipper hardware, and a blank pale leather-like hanging tag; no legible Coach marking. photo 5: silver-tone zipper hardware visible.",
        "leather_description": "photo 3\/photo 4: smooth cream-colored synthetic-looking exterior and trim; listing states PU\/faux leather. Not vintage glove-tanned cowhide.",
        "lining_description": "photo 6: beige\/gray herringbone-pattern woven synthetic-looking lining with multiple compartments and zip sections.",
        "strap_construction": "photo 2\/photo 3: wide attached shoulder strap with silver-tone rings and pale synthetic-looking trim; adjustment and attachment details are visible but no Coach-specific construction.",
        "stitching_description": "photo 3\/photo 5: machine stitching appears generally even along the trim and zipper area; no distinctive Coach construction evidence."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0014,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.9,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: complete shoulder handbag silhouette with multiple compartments and attached shoulder strap.",
                    "photo 4: visible zipper construction and silver-tone hardware are consistent with a modern fashion handbag, but not specifically Coach."
                ],
                "negative_evidence": [
                    "photo 1: large hand-painted Shin-Chan and Shiro artwork; no visible Coach wordmark, carriage, or other Coach identifier.",
                    "photo 3: smooth pale synthetic-looking exterior with silver-tone hardware and a blank decorative hangtag, unlike typical vintage Coach glove-tanned leather and brass hardware.",
                    "photo 5: synthetic-looking lining, modern zipper construction, and no visible creed patch or Coach stamp.",
                    "photo 6: beige\/gray herringbone-pattern synthetic lining is inconsistent with classic unlined vintage Coach construction.",
                    "Listing text: seller identifies the material as PU\/faux leather and the lining as synthetic, both strongly against vintage Coach."
                ],
                "missing_information": [
                    "photo 1\/photo 4: no straight-on interior creed-patch close-up is provided.",
                    "photo 3\/photo 5: no readable brand label, country-of-manufacture tag, or style number is shown.",
                    "photo 5: zipper-pull markings are not legibly identifiable as a Coach mark.",
                    "No bottom, corner, or full strap-condition close-up is provided."
                ],
                "authenticity_concerns": [
                    "photo 3\/photo 5: synthetic PU exterior, synthetic patterned lining, and silver-tone modern hardware are internally inconsistent with a vintage Coach classic.",
                    "photo 1\/photo 4: hand-painted character artwork and custom decorative elements appear aftermarket or artist-created rather than Coach manufacture; no evidence supports a Coach base bag.",
                    "photo 5: the visible zipper and hardware provide no Coach-specific authentication evidence."
                ],
                "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": true,
                    "hardware_description": "photo 3: silver-tone metal rings, rivets, zipper hardware, and a blank pale leather-like hanging tag; no legible Coach marking. photo 5: silver-tone zipper hardware visible.",
                    "leather_description": "photo 3\/photo 4: smooth cream-colored synthetic-looking exterior and trim; listing states PU\/faux leather. Not vintage glove-tanned cowhide.",
                    "lining_description": "photo 6: beige\/gray herringbone-pattern woven synthetic-looking lining with multiple compartments and zip sections.",
                    "strap_construction": "photo 2\/photo 3: wide attached shoulder strap with silver-tone rings and pale synthetic-looking trim; adjustment and attachment details are visible but no Coach-specific construction.",
                    "stitching_description": "photo 3\/photo 5: machine stitching appears generally even along the trim and zipper area; no distinctive Coach construction evidence."
                },
                "possible_model_reasoning": [
                    "The large structured shoulder-bag shape is generic and does not closely establish a Coach model.",
                    "The modern synthetic exterior, patterned lining, silver-tone hardware, and custom painted artwork support a private-label or altered fashion handbag rather than a vintage Coach style.",
                    "Condition: approximately Very Good based on the provided photos; artwork and exterior appear intact, but bottom, corners, odor, and long-term PU condition are not fully assessable."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 20,
                "estimated_resale_low": 15,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 10,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no creed patch visible in any photo - interior back wall \/ slip pocket not shown with Coach patch",
                    "no COACH wordmark, horse-and-carriage, or serial number visible to verify",
                    "no hardware brand stamps shown beyond stylized-A zipper pull (photo 5)"
                ],
                "negative_evidence": [
                    "photo 3,5,6: smooth cream faux\/PU leather with uniform synthetic grain, not glove-tanned cowhide",
                    "photo 5,6: polished silver-tone \/ nickel hardware with stylized-A zipper pulls, not solid brass vintage hardware",
                    "photo 6: beige\/gray herringbone woven synthetic lining with multi-compartment organizer interior, not unlined suede",
                    "photo 1,2,4: large hand-painted anime \/ floral artwork covering exterior, not a Coach catalog silhouette or finish",
                    "photo 1-4: modern structured shoulder tote \/ organizer shape with no turnlock, no brass dogleash clips, no Coach identifiers"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": true,
                    "hardware_description": "polished silver-tone metal zippers and rings; stylized-A zipper pulls visible photo 5; no brass, no turnlock, no COACH engraving visible",
                    "leather_description": "smooth cream \/ off-white faux \/ PU leather with uniform low-sheen synthetic grain visible photo 3,5; back side hand-painted pink-peach-yellow with character art photo 1,2,4",
                    "lining_description": "beige \/ light gray herringbone-pattern woven synthetic lining with center zip divider and slip pockets visible photo 6",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching in light thread matching trim, visible on strap and top edge photo 3,5",
                    "strap_construction": "single wide flat shoulder strap in same cream faux leather, fixed with silver-tone rings and rivets photo 3; no buckle adjustment or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "modern private-label organizer shoulder tote base customized with OOAK hand-painted Shin-Chan art; materials (PU, silver hardware, herringbone poly lining) and construction point to 2000s+ fast-fashion, inconsistent with any vintage Coach glove-tanned classic",
                    "no creed, no serial, no wordmark, no turnlock, no solid brass, no unlined suede interior to support any Coach model",
                    "Condition: Good to Very Good as wearable-art base - exterior paint appears intact (photo 1,4), cream trim shows light handling (photo 3), interior clean (photo 6); odor, bottom corners and full strap not fully shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18387,
            "output_tokens": 981,
            "total_tokens": 19368,
            "estimated_cost_usd": 0.009709
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18955,
            "output_tokens": 1255,
            "total_tokens": 20210,
            "estimated_cost_usd": 0.004795
        }
    ]
}