Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.84,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is constructed primarily from coarse woven canvas with a textile shoulder strap, not the glove-tanned leather typical of vintage Coach classics.",
        "photo 1: multiple zippered compartments, snap flap, and dark plated hardware present a generic modern messenger-bag construction rather than a recognizable vintage Coach silhouette.",
        "photo 1: front rectangular patch contains indistinct embossed lettering, but COACH is not legibly visible.",
        "photo 1: no visible Coach creed, serial\/style number, horse-and-carriage mark, or recognizable Coach hangtag.",
        "photo 1: woven canvas body, not glove-tanned leather",
        "photo 1: dark gunmetal-tone snap and zippers, not solid brass vintage hardware",
        "photo 1: no turnlock, no COACH wordmark, no hangtag, no creed patch visible",
        "photo 1: small dark brand patch on front reads non-Coach name, webbing crossbody strap"
    ],
    "missing_information": [
        "Interior and any sewn-in brand or care labels are not shown.",
        "Close-up of the front patch is needed to determine whether it bears any brand text.",
        "Back, bottom, zipper pulls, and hardware close-ups are absent.",
        "The single image appears product-style and does not establish the bag's actual condition or construction details.",
        "photo 1 only: no interior, creed, back, bottom, or hardware close-up views, but exterior alone is dispositive of non-Coach canvas construction"
    ],
    "authenticity_concerns": [
        "photo 1: canvas body and generic modern hardware are inconsistent with a typical vintage leather Coach handbag.",
        "photo 1: the indistinct front plaque could be a generic or unrelated brand label; no Coach identifier is visible."
    ],
    "possible_model_reasoning": [
        "The silhouette is a modern generic canvas crossbody\/messenger bag, not a close match to the listed vintage Coach leather models.",
        "The seller title describes a canvas messenger\/book bag, which is consistent with the visible object but is only weak seller-written evidence.",
        "Condition cannot be reliably graded from the single product-style image; apparent exterior condition is roughly Very Good, but interior, corners, odor, lining, and actual wear are unknown.",
        "photo 1 silhouette is a modern canvas messenger\/sidepack with flap snap pocket and zip compartments, not a Coach catalog style; materials (canvas, webbing, gunmetal) inconsistent with vintage Coach glove-tanned + solid brass; no Coach identifier visible. Condition: Like New\/new-appearing from single stock-like front view, but incomplete views so 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": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: dark plated zipper hardware, snap button, rectangular strap adjuster, and small side clips are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: primarily coarse woven brown canvas with narrow dark trim or binding; leather type is not established.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: wide adjustable woven textile shoulder strap with a dark metal rectangular adjuster and side attachment clips.",
        "stitching_description": "photo 1: visible machine stitching appears generally even on the canvas panels and flap; close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is constructed primarily from coarse woven canvas with a textile shoulder strap, not the glove-tanned leather typical of vintage Coach classics.",
                    "photo 1: multiple zippered compartments, snap flap, and dark plated hardware present a generic modern messenger-bag construction rather than a recognizable vintage Coach silhouette.",
                    "photo 1: front rectangular patch contains indistinct embossed lettering, but COACH is not legibly visible.",
                    "photo 1: no visible Coach creed, serial\/style number, horse-and-carriage mark, or recognizable Coach hangtag."
                ],
                "missing_information": [
                    "Interior and any sewn-in brand or care labels are not shown.",
                    "Close-up of the front patch is needed to determine whether it bears any brand text.",
                    "Back, bottom, zipper pulls, and hardware close-ups are absent.",
                    "The single image appears product-style and does not establish the bag's actual condition or construction details."
                ],
                "authenticity_concerns": [
                    "photo 1: canvas body and generic modern hardware are inconsistent with a typical vintage leather Coach handbag.",
                    "photo 1: the indistinct front plaque could be a generic or unrelated brand label; no Coach identifier is visible."
                ],
                "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: dark plated zipper hardware, snap button, rectangular strap adjuster, and small side clips are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: primarily coarse woven brown canvas with narrow dark trim or binding; leather type is not established.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: wide adjustable woven textile shoulder strap with a dark metal rectangular adjuster and side attachment clips.",
                    "stitching_description": "photo 1: visible machine stitching appears generally even on the canvas panels and flap; close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "The silhouette is a modern generic canvas crossbody\/messenger bag, not a close match to the listed vintage Coach leather models.",
                    "The seller title describes a canvas messenger\/book bag, which is consistent with the visible object but is only weak seller-written evidence.",
                    "Condition cannot be reliably graded from the single product-style image; apparent exterior condition is roughly Very Good, but interior, corners, odor, lining, and actual wear are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1 only: no interior, creed, back, bottom, or hardware close-up views, but exterior alone is dispositive of non-Coach canvas construction"
                ],
                "negative_evidence": [
                    "photo 1: woven canvas body, not glove-tanned leather",
                    "photo 1: dark gunmetal-tone snap and zippers, not solid brass vintage hardware",
                    "photo 1: no turnlock, no COACH wordmark, no hangtag, no creed patch visible",
                    "photo 1: small dark brand patch on front reads non-Coach name, webbing crossbody strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal-tone snap on front flap pocket and zipper sliders with small leatherette pulls; no brass turnlock",
                    "leather_description": "not leather: olive\/brown woven canvas textile with leatherette trim pulls and front brand patch",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching on canvas flap and front panel, visible but not Coach glove-tanned standard",
                    "strap_construction": "wide brown woven webbing crossbody strap with metal slider for adjustment, side clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is a modern canvas messenger\/sidepack with flap snap pocket and zip compartments, not a Coach catalog style; materials (canvas, webbing, gunmetal) inconsistent with vintage Coach glove-tanned + solid brass; no Coach identifier visible. Condition: Like New\/new-appearing from single stock-like front view, but incomplete views so grade capped."
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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}