Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.16,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.865,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag has a woven textile body rather than the glove-tanned leather or Coach signature canvas typical of the relevant vintage Coach population.",
        "photo 1: the silhouette and decorative brown woven\/embossed accents do not closely match the listed classic Coach models.",
        "photo 3: hardware is bright gold-tone and includes ornate decorative components unlike the restrained solid-brass hardware typical of vintage Coach classics.",
        "photo 4: visible brown hanging tag has cursive branding, but it does not visibly read COACH.",
        "photo 5: strap uses patterned brown material with light edge binding and painted-looking construction, not a typical vintage Coach leather strap.",
        "photo 2: decorative central clasp\/ornament is not a recognizable vintage Coach turnlock.",
        "photo 1, photo 2: woven straw\/textile half-moon body, not glove-tanned cowhide",
        "photo 3, photo 4: bright gold-tone plated hardware, not solid brass vintage hardware",
        "photo 4: hangtag with gold script reading non-Coach brand, no COACH wordmark visible",
        "photo 1-6: no creed patch, no Coach wordmark, no horse-and-carriage visible",
        "photo 2: snakeskin-embossed trim and zip-top half-moon construction with no catalog Coach match"
    ],
    "missing_information": [
        "photo 1-7: interior, lining, interior brand label, and any creed patch are not shown.",
        "photo 1-7: zipper-pull branding and the reverse of the hanging tag are not shown.",
        "photo 1-7: bottom, corners, and complete interior condition are not shown.",
        "photo of emptied interior and lining",
        "photo of bottom and corners",
        "close-up of brand tag text on hangtag in photo 4",
        "photo of any interior leather patch or fabric content label"
    ],
    "authenticity_concerns": [
        "photo 1-7: no visible Coach identifier supports Coach manufacture.",
        "photo 1-7: woven textile construction, decorative strap materials, and bright ornate hardware are inconsistent with a typical vintage Coach leather classic."
    ],
    "possible_model_reasoning": [
        "The half-moon shoulder silhouette is not sufficient to identify a Coach model and does not strongly match the cataloged City Bag, Willis, Court, Station, Dinky, or Stewardess constructions.",
        "photo 4: the hanging tag is present but its cursive text is not legibly COACH, so it provides no reliable Coach evidence.",
        "Condition: approximately Very Good based on the visible exterior, with no major tears apparent; interior, odor, lining, and bottom condition are unknown.",
        "No Coach silhouette match: half-moon woven zip-top with snakeskin trim does not match any classic glove-tanned catalog style",
        "Materials inconsistent with vintage Coach: woven straw-like body and plated hardware vs unlined glove-tanned and solid brass",
        "Condition: Very Good to Excellent exterior for woven body in photos; interior not shown so lining unknown and grade 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": true,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Bright gold-tone clasps, rings, zipper hardware, and a decorative hanging tag; no visibly legible COACH engraving.",
        "leather_description": "Woven beige textile body with brown textured\/woven accent panels; strap appears brown patterned material with light edge binding.",
        "lining_description": "not_visible",
        "strap_construction": "Single shoulder strap with brown patterned central material, light edging, gold-tone attachment hardware, and a stated shoulder drop of 10.5 inches.",
        "stitching_description": "Visible perimeter stitching appears generally even; detailed stress-point and interior stitching are not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag has a woven textile body rather than the glove-tanned leather or Coach signature canvas typical of the relevant vintage Coach population.",
                    "photo 1: the silhouette and decorative brown woven\/embossed accents do not closely match the listed classic Coach models.",
                    "photo 3: hardware is bright gold-tone and includes ornate decorative components unlike the restrained solid-brass hardware typical of vintage Coach classics.",
                    "photo 4: visible brown hanging tag has cursive branding, but it does not visibly read COACH.",
                    "photo 5: strap uses patterned brown material with light edge binding and painted-looking construction, not a typical vintage Coach leather strap.",
                    "photo 2: decorative central clasp\/ornament is not a recognizable vintage Coach turnlock."
                ],
                "missing_information": [
                    "photo 1-7: interior, lining, interior brand label, and any creed patch are not shown.",
                    "photo 1-7: zipper-pull branding and the reverse of the hanging tag are not shown.",
                    "photo 1-7: bottom, corners, and complete interior condition are not shown."
                ],
                "authenticity_concerns": [
                    "photo 1-7: no visible Coach identifier supports Coach manufacture.",
                    "photo 1-7: woven textile construction, decorative strap materials, and bright ornate hardware are inconsistent with a typical vintage Coach leather 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": true,
                    "hardware_description": "Bright gold-tone clasps, rings, zipper hardware, and a decorative hanging tag; no visibly legible COACH engraving.",
                    "leather_description": "Woven beige textile body with brown textured\/woven accent panels; strap appears brown patterned material with light edge binding.",
                    "lining_description": "not_visible",
                    "strap_construction": "Single shoulder strap with brown patterned central material, light edging, gold-tone attachment hardware, and a stated shoulder drop of 10.5 inches.",
                    "stitching_description": "Visible perimeter stitching appears generally even; detailed stress-point and interior stitching are not visible."
                },
                "possible_model_reasoning": [
                    "The half-moon shoulder silhouette is not sufficient to identify a Coach model and does not strongly match the cataloged City Bag, Willis, Court, Station, Dinky, or Stewardess constructions.",
                    "photo 4: the hanging tag is present but its cursive text is not legibly COACH, so it provides no reliable Coach evidence.",
                    "Condition: approximately Very Good based on the visible exterior, with no major tears apparent; interior, odor, lining, and bottom condition are unknown."
                ],
                "confidence": 0.88,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of emptied interior and lining",
                    "photo of bottom and corners",
                    "close-up of brand tag text on hangtag in photo 4",
                    "photo of any interior leather patch or fabric content label"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: woven straw\/textile half-moon body, not glove-tanned cowhide",
                    "photo 3, photo 4: bright gold-tone plated hardware, not solid brass vintage hardware",
                    "photo 4: hangtag with gold script reading non-Coach brand, no COACH wordmark visible",
                    "photo 1-6: no creed patch, no Coach wordmark, no horse-and-carriage visible",
                    "photo 2: snakeskin-embossed trim and zip-top half-moon construction with no catalog Coach match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": true,
                    "hardware_description": "bright gold-tone plated dogleash-type strap clips and zipper pull with circular charm in photo 3; shiny plated tone, not solid brass vintage",
                    "leather_description": "no glove-tanned cowhide visible; woven beige textile body with brown snakeskin-embossed trim and beige strap",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; edge piping visible on strap in photo 5-6",
                    "strap_construction": "single shoulder strap with snakeskin-embossed outer and light solid inner, attached by gold-tone clips in photo 5-6",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach silhouette match: half-moon woven zip-top with snakeskin trim does not match any classic glove-tanned catalog style",
                    "Materials inconsistent with vintage Coach: woven straw-like body and plated hardware vs unlined glove-tanned and solid brass",
                    "Condition: Very Good to Excellent exterior for woven body in photos; interior not shown so lining unknown and grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18111,
            "output_tokens": 767,
            "total_tokens": 18878,
            "estimated_cost_usd": 0.009085
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18665,
            "output_tokens": 1299,
            "total_tokens": 19964,
            "estimated_cost_usd": 0.004772
        }
    ]
}