Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.03,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.855,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a structured leather crossbody handbag with a long adjustable strap.",
        "photo 1: The front panel has decorative floral tooling\/embossing, but no visible Coach branding."
    ],
    "negative_evidence": [
        "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or creed patch.",
        "photo 1: Ornate tooled front and burgundy finish are not characteristic of the classic Coach silhouettes shown in the reference catalog.",
        "photo 3: Silver-tone buckle and strap hardware appear inconsistent with many vintage Coach classic bags, which commonly use solid brass hardware.",
        "photo 5: Black fabric lining and a zippered central compartment are visible; this is not the typical unlined suede-back construction of many classic vintage Coach styles.",
        "photo 1: The listing identifies the seller brand as Unbranded; this is weak contextual evidence only and does not establish Coach manufacture.",
        "photo 1: deeply tooled western floral flap never used on vintage Coach classics which are smooth tone-on-tone glove-tanned",
        "photo 2-4: silver-tone D-rings and side buckle closure vs solid brass turnlock \/ brass hardware expected on vintage Coach",
        "photo 5: black fabric lining with center zip compartment vs unlined suede-back glove-tanned interior of 1970s-1990s Coach classics",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
    ],
    "missing_information": [
        "A straight-on photo of every interior wall and pocket, especially any possible leather creed patch.",
        "Close-up photos of the clasp, zipper pulls, strap hardware, and any maker stamps.",
        "A clear bottom, side, and strap-condition view.",
        "Seller-stated dimensions and photos of any labels or tags not visible in the supplied images.",
        "photo of interior back wall \/ slip pocket for creed patch close-up in raking light",
        "photo of any brand stamp on hardware \/ zipper pull",
        "photo of bottom and corners to confirm condition",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, and the visible construction is more consistent with a generic tooled-leather bag than a Coach model.",
        "The ornate tooling, fabric lining, and silver-tone hardware do not provide a coherent match to a documented vintage Coach line.",
        "The clasp visible at the lower front does not appear to be a recognizable vintage Coach turnlock.",
        "photo 1-4: heavily tooled western floral flap and silver-tone hardware inconsistent with any vintage Coach glove-tanned brass-turnlock construction"
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the bag lacks a visible Coach identifier and its tooled, multi-compartment construction does not closely match the listed Coach classic silhouettes.",
        "Condition: Very Good based on generally intact leather and stitching with some surface variation; interior, underside, and strap condition are incompletely shown.",
        "No Coach catalog silhouette matches a tooled western flap with side-buckle closure and fabric lining; construction points to modern tooled-leather import, not Coach",
        "Condition: Like New \/ Mint; clean edges and surface in photo 1-4, interior appears clean in photo 5, but bottom corners and strap fold 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": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Silver-tone rings, buckle, strap fittings, and a lower-front clasp are visible; no Coach engraving is legible.",
        "leather_description": "Burgundy\/red leather-looking structured body with extensive raised or tooled floral decoration on the front; smooth back panel with visible surface variation.",
        "lining_description": "Black fabric lining is visible in photo 5, with a central zippered compartment and additional interior sections.",
        "strap_construction": "Long adjustable burgundy strap attached at side rings with silver-tone hardware; strap is bundled in the photos and its full condition is not shown.",
        "stitching_description": "Visible perimeter stitching appears generally regular and color-matched; close-up stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a structured leather crossbody handbag with a long adjustable strap.",
                    "photo 1: The front panel has decorative floral tooling\/embossing, but no visible Coach branding."
                ],
                "negative_evidence": [
                    "photo 1: No visible Coach wordmark, horse-and-carriage, hangtag, or creed patch.",
                    "photo 1: Ornate tooled front and burgundy finish are not characteristic of the classic Coach silhouettes shown in the reference catalog.",
                    "photo 3: Silver-tone buckle and strap hardware appear inconsistent with many vintage Coach classic bags, which commonly use solid brass hardware.",
                    "photo 5: Black fabric lining and a zippered central compartment are visible; this is not the typical unlined suede-back construction of many classic vintage Coach styles.",
                    "photo 1: The listing identifies the seller brand as Unbranded; this is weak contextual evidence only and does not establish Coach manufacture."
                ],
                "missing_information": [
                    "A straight-on photo of every interior wall and pocket, especially any possible leather creed patch.",
                    "Close-up photos of the clasp, zipper pulls, strap hardware, and any maker stamps.",
                    "A clear bottom, side, and strap-condition view.",
                    "Seller-stated dimensions and photos of any labels or tags not visible in the supplied images."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, and the visible construction is more consistent with a generic tooled-leather bag than a Coach model.",
                    "The ornate tooling, fabric lining, and silver-tone hardware do not provide a coherent match to a documented vintage Coach line.",
                    "The clasp visible at the lower front does not appear to be a recognizable vintage Coach turnlock."
                ],
                "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": "Silver-tone rings, buckle, strap fittings, and a lower-front clasp are visible; no Coach engraving is legible.",
                    "leather_description": "Burgundy\/red leather-looking structured body with extensive raised or tooled floral decoration on the front; smooth back panel with visible surface variation.",
                    "lining_description": "Black fabric lining is visible in photo 5, with a central zippered compartment and additional interior sections.",
                    "strap_construction": "Long adjustable burgundy strap attached at side rings with silver-tone hardware; strap is bundled in the photos and its full condition is not shown.",
                    "stitching_description": "Visible perimeter stitching appears generally regular and color-matched; close-up stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the bag lacks a visible Coach identifier and its tooled, multi-compartment construction does not closely match the listed Coach classic silhouettes.",
                    "Condition: Very Good based on generally intact leather and stitching with some surface variation; interior, underside, and strap condition are incompletely shown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-4: heavily tooled western floral flap and silver-tone hardware inconsistent with any vintage Coach glove-tanned brass-turnlock construction"
                ],
                "authenticity_confidence": 0.03,
                "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 interior back wall \/ slip pocket for creed patch close-up in raking light",
                    "photo of any brand stamp on hardware \/ zipper pull",
                    "photo of bottom and corners to confirm condition",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1: deeply tooled western floral flap never used on vintage Coach classics which are smooth tone-on-tone glove-tanned",
                    "photo 2-4: silver-tone D-rings and side buckle closure vs solid brass turnlock \/ brass hardware expected on vintage Coach",
                    "photo 5: black fabric lining with center zip compartment vs unlined suede-back glove-tanned interior of 1970s-1990s Coach classics",
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone D-rings, side buckle strap and flap tab closure; no turnlock visible; plated appearance, not solid brass",
                    "leather_description": "burgundy \/ rojo smooth leather with deeply embossed tooled western floral pattern on front flap",
                    "lining_description": "black fabric lining with center zip divider and slip pockets visible in top view",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched edge stitching around flap, visible in photo 1-2",
                    "strap_construction": "flat burgundy adjustable crossbody strap attached with silver-tone D-rings, taped together in photos",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches a tooled western flap with side-buckle closure and fabric lining; construction points to modern tooled-leather import, not Coach",
                    "Condition: Like New \/ Mint; clean edges and surface in photo 1-4, interior appears clean in photo 5, but bottom corners and strap fold not fully shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17062,
            "output_tokens": 805,
            "total_tokens": 17867,
            "estimated_cost_usd": 0.008757
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17444,
            "output_tokens": 1313,
            "total_tokens": 18757,
            "estimated_cost_usd": 0.004539
        }
    ]
}