Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.04,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.78,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.865,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 20,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: brown leather crossbody handbag with substantial leather construction and brass-tone buckle hardware.",
        "photo 2: stitching appears generally even and the bag has a traditional flap-and-strap silhouette."
    ],
    "negative_evidence": [
        "photo 2: closure is a conventional rectangular buckle and strap, not a recognizable Coach turnlock.",
        "photos 1-6: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
        "photos 2-5: ornate layered flap, central buckle strap, and overall construction appear generic\/handmade rather than a documented Coach silhouette.",
        "photo 4: reverse is unbranded and shows no Coach identifier.",
        "listing title: seller describes the item as handmade, vintage style, and unbranded; this is weak supporting context only, not proof of origin.",
        "photo 2-4: closure is center front buckle strap with leaf-shaped tab, not Coach turnlock geometry",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 2-4: double-layer saddle silhouette with pointed envelope flap over rounded front pocket does not match any Coach catalog style (City Bag, Willis, Court, Station, Dinky, etc.)",
        "photo 2-5: leather finish and contrast edge stitching and thin buckle hardware unlike vintage Coach glove-tanned + solid brass turnlock construction",
        "photo 5: plain back with no exterior slip pocket typical of Coach flap crossbodies"
    ],
    "missing_information": [
        "Straight-on interior photo, including all pockets and seams, to check for a creed or fabric label.",
        "Close-up photos of the interior, strap attachment hardware, buckle, zipper or closure details, and any stamps.",
        "Bottom, corner, and full strap photos for condition and construction assessment.",
        "Seller-stated dimensions and country of manufacture.",
        "photo of interior emptied and lining - no interior view in any of photos 1-6",
        "creed patch close-up in raking light - interior not shown so cannot verify presence\/absence",
        "hardware stamps \/ Made-in mark \/ any brand stamp",
        "bottom \/ corners \/ strap buckle holes and attachment detail",
        "seller-stated dimensions and weight"
    ],
    "authenticity_concerns": [
        "No Coach identifiers are visible in any provided photo.",
        "The buckle-and-strap closure and decorative layered construction do not match the classic Coach turnlock construction shown in the reference catalog.",
        "The listing's handmade\/unbranded presentation is more consistent with a generic leather bag than a misidentified Coach classic."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the bag lacks a visible Coach identifier and does not closely match a documented Coach classic model.",
        "The flap, rounded lower body, and central strap are generic features shared by many handmade and mass-market leather bags.",
        "Condition appears Good to Very Good: visible scratches, creasing, and tonal wear on the leather (photos 2-5), with no interior or functional inspection possible.",
        "No Coach model fits: buckle saddle flap with leaf tab and front pocket is not a Coach City Bag, Willis, Court, Station, Dinky or other classic; no turnlock, no creed, no hangtag, no wordmark in any photo",
        "Seller text states Handmade Vintage Style Unbranded - consistent with modern handmade Indian-style saddle bag, not vintage Coach",
        "Condition: New-appearing; photos 2-5 show uniform color, no corner wear, no strap darkening, no hardware tarnish, but interior, bottom and strap wear points not shown 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": "photos 1-5: brass-tone rectangular buckle with a central leather strap; side strap attachments are visible, but no Coach-stamped hardware is visible.",
        "leather_description": "photos 1-5: brown, smooth-to-moderately textured leather with visible tonal variation, creasing, and surface marks; exact leather type is not determinable.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1, 5, and 6: long adjustable leather shoulder strap attached at the sides; buckle holes and layered leather construction are visible.",
        "stitching_description": "photos 2-5: contrasting brown machine stitching appears mostly even around the flap, front pocket, and body; some close construction details are not visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0033,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.06,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.05,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: brown leather crossbody handbag with substantial leather construction and brass-tone buckle hardware.",
                    "photo 2: stitching appears generally even and the bag has a traditional flap-and-strap silhouette."
                ],
                "negative_evidence": [
                    "photo 2: closure is a conventional rectangular buckle and strap, not a recognizable Coach turnlock.",
                    "photos 1-6: no visible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag.",
                    "photos 2-5: ornate layered flap, central buckle strap, and overall construction appear generic\/handmade rather than a documented Coach silhouette.",
                    "photo 4: reverse is unbranded and shows no Coach identifier.",
                    "listing title: seller describes the item as handmade, vintage style, and unbranded; this is weak supporting context only, not proof of origin."
                ],
                "missing_information": [
                    "Straight-on interior photo, including all pockets and seams, to check for a creed or fabric label.",
                    "Close-up photos of the interior, strap attachment hardware, buckle, zipper or closure details, and any stamps.",
                    "Bottom, corner, and full strap photos for condition and construction assessment.",
                    "Seller-stated dimensions and country of manufacture."
                ],
                "authenticity_concerns": [
                    "No Coach identifiers are visible in any provided photo.",
                    "The buckle-and-strap closure and decorative layered construction do not match the classic Coach turnlock construction shown in the reference catalog.",
                    "The listing's handmade\/unbranded presentation is more consistent with a generic leather bag than a misidentified Coach 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": false,
                    "hardware_description": "photos 1-5: brass-tone rectangular buckle with a central leather strap; side strap attachments are visible, but no Coach-stamped hardware is visible.",
                    "leather_description": "photos 1-5: brown, smooth-to-moderately textured leather with visible tonal variation, creasing, and surface marks; exact leather type is not determinable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 5, and 6: long adjustable leather shoulder strap attached at the sides; buckle holes and layered leather construction are visible.",
                    "stitching_description": "photos 2-5: contrasting brown machine stitching appears mostly even around the flap, front pocket, and body; some close construction details are not visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the bag lacks a visible Coach identifier and does not closely match a documented Coach classic model.",
                    "The flap, rounded lower body, and central strap are generic features shared by many handmade and mass-market leather bags.",
                    "Condition appears Good to Very Good: visible scratches, creasing, and tonal wear on the leather (photos 2-5), with no interior or functional inspection possible."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 12,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 40,
                "estimated_resale_low": 20,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior emptied and lining - no interior view in any of photos 1-6",
                    "creed patch close-up in raking light - interior not shown so cannot verify presence\/absence",
                    "hardware stamps \/ Made-in mark \/ any brand stamp",
                    "bottom \/ corners \/ strap buckle holes and attachment detail",
                    "seller-stated dimensions and weight"
                ],
                "negative_evidence": [
                    "photo 2-4: closure is center front buckle strap with leaf-shaped tab, not Coach turnlock geometry",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 2-4: double-layer saddle silhouette with pointed envelope flap over rounded front pocket does not match any Coach catalog style (City Bag, Willis, Court, Station, Dinky, etc.)",
                    "photo 2-5: leather finish and contrast edge stitching and thin buckle hardware unlike vintage Coach glove-tanned + solid brass turnlock construction",
                    "photo 5: plain back with no exterior slip pocket typical of Coach flap crossbodies"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antique brass-tone rectangular roller buckle on front strap; no turnlock, no dogleash clips, no stamps visible",
                    "leather_description": "medium tan-brown smooth leather with distressed \/ burnished variation, appears new handmade; not classic Coach glove-tanned texture visible",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even contrast tan edge stitching around flap and front pocket; no mismatched thread visible",
                    "strap_construction": "wide flat non-adjustable-appearing crossbody shoulder strap sewn\/riveted to body sides; full length, buckle holes and clips not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: buckle saddle flap with leaf tab and front pocket is not a Coach City Bag, Willis, Court, Station, Dinky or other classic; no turnlock, no creed, no hangtag, no wordmark in any photo",
                    "Seller text states Handmade Vintage Style Unbranded - consistent with modern handmade Indian-style saddle bag, not vintage Coach",
                    "Condition: New-appearing; photos 2-5 show uniform color, no corner wear, no strap darkening, no hardware tarnish, but interior, bottom and strap wear points not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
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            "output_tokens": 855,
            "total_tokens": 31251,
            "estimated_cost_usd": 0.01421
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}