Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.36,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.81,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.845,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 47.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather-looking oval crossbody construction with a long adjustable strap and visible stitched edging.",
        "photo 1: Some brass-tone hardware is visible.",
        "photo 1: leather handbag with brass-tone hardware - general population where vintage Coach hides, so triage continued"
    ],
    "negative_evidence": [
        "photo 1: Exterior has extensive basket-weave tooling and an ornate decorative clasp, neither characteristic of the cataloged vintage Coach silhouettes shown in the reference.",
        "photo 2: Interior is covered in a bold printed fabric lining; classic vintage Coach glove-tanned styles are commonly unlined suede-backed leather, and this lining does not show a Coach label or creed.",
        "photo 3: Open interior shows no visible rectangular Coach creed patch, wordmark, horse-and-carriage mark, or serial number.",
        "photo 4: The ornate patterned lining and boxy oval construction appear more consistent with a generic tooled-leather or artisan-made bag than Coach.",
        "photo 1: rigid oval box silhouette with basketweave-tooled lid and side panel - no matching Coach catalog style in \u00a74",
        "photo 2, photo 3: fully fabric-lined interior with batik-style print - vintage Coach classics are unlined suede, not printed fabric lining",
        "photo 1, photo 2: buckle-strap closure, no turnlock with Coach geometry present",
        "photo 1-3: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible"
    ],
    "missing_information": [
        "photo 2: Straight-on close-up of every interior wall and pocket seam to confirm no hidden creed or fabric label.",
        "photo 1: Close-ups of the clasp, strap attachment hardware, and any stamps on the leather or metal.",
        "photo 1: Bottom, back, and side views, plus seller-stated dimensions and country of manufacture.",
        "no creed patch visible in interior views - none expected for this construction",
        "no maker mark or hangtag shown - request close-up of any interior stamps if present",
        "seller-stated dimensions not provided"
    ],
    "authenticity_concerns": [
        "photo 2: No Coach identifier is visible, and the patterned fabric lining and decorative clasp are inconsistent with the common vintage Coach classic construction; a Coach attribution is not supported."
    ],
    "possible_model_reasoning": [
        "photo 1: The oval box-purse shape does not closely match the listed vintage Coach Dinky, Court, Willis, or other cataloged silhouettes; no Coach model is proposed.",
        "photo 2: The interior lining and decorative construction point toward an unbranded artisan or tooled-leather bag rather than a Coach classic.",
        "photo 1: Condition appears Good: visible edge wear, surface wear, lining discoloration\/fraying, and strap wear; bottom and some stress points are not shown.",
        "No Coach model fits: oval rigid box, buckle closure, tooled basketweave panels and full printed fabric lining are inconsistent with Coach glove-tanned classics and modern lines; no identifier to decode; Condition: Very Good to Excellent - leather intact with light edge wear, lining shows discoloration\/staining (photo 3), strap intact"
    ],
    "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: Brass-tone clasp, snap-style closure, strap rings, and buckle-like adjuster are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Dark brown, glossy or heavily finished leather-looking exterior with basket-weave tooling and substantial rigid oval construction.",
        "lining_description": "photo 2: Cream, blue, and dark patterned fabric lining with substantial wear, discoloration, and fraying along the edges.",
        "strap_construction": "photo 1: Long narrow adjustable crossbody strap with stitched edges and metal adjustment hardware; visible wear and cracking\/fraying near attachment areas.",
        "stitching_description": "photo 1: Visible perimeter stitching is generally regular, though the close-up does not establish Coach construction."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.42,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather-looking oval crossbody construction with a long adjustable strap and visible stitched edging.",
                    "photo 1: Some brass-tone hardware is visible."
                ],
                "negative_evidence": [
                    "photo 1: Exterior has extensive basket-weave tooling and an ornate decorative clasp, neither characteristic of the cataloged vintage Coach silhouettes shown in the reference.",
                    "photo 2: Interior is covered in a bold printed fabric lining; classic vintage Coach glove-tanned styles are commonly unlined suede-backed leather, and this lining does not show a Coach label or creed.",
                    "photo 3: Open interior shows no visible rectangular Coach creed patch, wordmark, horse-and-carriage mark, or serial number.",
                    "photo 4: The ornate patterned lining and boxy oval construction appear more consistent with a generic tooled-leather or artisan-made bag than Coach."
                ],
                "missing_information": [
                    "photo 2: Straight-on close-up of every interior wall and pocket seam to confirm no hidden creed or fabric label.",
                    "photo 1: Close-ups of the clasp, strap attachment hardware, and any stamps on the leather or metal.",
                    "photo 1: Bottom, back, and side views, plus seller-stated dimensions and country of manufacture."
                ],
                "authenticity_concerns": [
                    "photo 2: No Coach identifier is visible, and the patterned fabric lining and decorative clasp are inconsistent with the common vintage Coach classic construction; a Coach attribution is not supported."
                ],
                "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: Brass-tone clasp, snap-style closure, strap rings, and buckle-like adjuster are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Dark brown, glossy or heavily finished leather-looking exterior with basket-weave tooling and substantial rigid oval construction.",
                    "lining_description": "photo 2: Cream, blue, and dark patterned fabric lining with substantial wear, discoloration, and fraying along the edges.",
                    "strap_construction": "photo 1: Long narrow adjustable crossbody strap with stitched edges and metal adjustment hardware; visible wear and cracking\/fraying near attachment areas.",
                    "stitching_description": "photo 1: Visible perimeter stitching is generally regular, though the close-up does not establish Coach construction."
                },
                "possible_model_reasoning": [
                    "photo 1: The oval box-purse shape does not closely match the listed vintage Coach Dinky, Court, Willis, or other cataloged silhouettes; no Coach model is proposed.",
                    "photo 2: The interior lining and decorative construction point toward an unbranded artisan or tooled-leather bag rather than a Coach classic.",
                    "photo 1: Condition appears Good: visible edge wear, surface wear, lining discoloration\/fraying, and strap wear; bottom and some stress points are not shown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 12,
                "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": 50,
                "estimated_resale_low": 20,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "no creed patch visible in interior views - none expected for this construction",
                    "no maker mark or hangtag shown - request close-up of any interior stamps if present",
                    "seller-stated dimensions not provided"
                ],
                "negative_evidence": [
                    "photo 1: rigid oval box silhouette with basketweave-tooled lid and side panel - no matching Coach catalog style in \u00a74",
                    "photo 2, photo 3: fully fabric-lined interior with batik-style print - vintage Coach classics are unlined suede, not printed fabric lining",
                    "photo 1, photo 2: buckle-strap closure, no turnlock with Coach geometry present",
                    "photo 1-3: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone buckle closure front and snap on lid tab, brass-tone strap buckle; no COACH stamping visible",
                    "leather_description": "dark brown smooth leather box with basketweave-tooled \/ embossed panels on lid top and side band",
                    "lining_description": "light fabric lining with dark blue\/brown batik-style geometric floral print on lid underside and inside base",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark edge stitching around lid and side panels, even but not clearly Coach-matched thread work",
                    "strap_construction": "thin flat dark brown crossbody strap with buckle adjustment, attached via knotted leather loops",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather handbag with brass-tone hardware - general population where vintage Coach hides, so triage continued"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: oval rigid box, buckle closure, tooled basketweave panels and full printed fabric lining are inconsistent with Coach glove-tanned classics and modern lines; no identifier to decode; Condition: Very Good to Excellent - leather intact with light edge wear, lining shows discoloration\/staining (photo 3), strap intact"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 21845,
            "output_tokens": 883,
            "total_tokens": 22728,
            "estimated_cost_usd": 0.010857
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 22605,
            "output_tokens": 1009,
            "total_tokens": 23614,
            "estimated_cost_usd": 0.005328
        }
    ]
}