Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.87,
    "recommended_max_bid": 12,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag has a highly decorative western-style stitched flap and bright pink finish, with no visible Coach wordmark, horse-and-carriage, or recognizable Coach construction cues.",
        "photo 1: The central leather panel contains decorative stitched lines and motifs, not a visibly stamped Coach creed.",
        "photo 1: Silver-tone clip hardware and hand-laced contrasting trim do not resemble typical vintage Coach classic brass hardware.",
        "photo 2: The bag appears handmade and western-styled, consistent with the seller's description rather than a catalog Coach silhouette.",
        "photo 1: Visible surface wear, uneven coloration, and handcrafted stitching support an independent artisan or generic leather bag identification.",
        "photo 1: western yoke applique with boot-stitch embroidery never used on Coach classics",
        "photo 1, photo 2: white laced \/ saddle-stitched side seams and mottled pink dye, not Coach glove-tanned finish",
        "photo 1, photo 2: silver-tone swivel snap strap hooks, not vintage solid-brass dogleash \/ turnlock hardware",
        "photo 1, photo 2: no creed patch, no COACH wordmark, no hangtag, no turnlock visible",
        "photo 2: small western crossbody silhouette with tan yoke flap does not match any Coach catalog style"
    ],
    "missing_information": [
        "photo 1-2: Interior, lining, and any interior brand label are not shown.",
        "photo 1-2: No close-up of the reverse side, bottom, zipper, or all hardware is provided.",
        "photo 1-2: Exact dimensions and maker information are unavailable.",
        "photo of interior emptied and lining",
        "photo of back, sides, and bottom",
        "close-up of hardware stamps and strap ends",
        "seller-stated dimensions"
    ],
    "authenticity_concerns": [
        "photo 1: The decorative stitched panel could be mistaken for a creed at a glance, but it does not visibly show standard Coach creed wording or a serial number.",
        "photo 1: Silver-tone hardware and western hand-laced construction are inconsistent with the likely construction of classic vintage Coach bags.",
        "photo 1-2: No Coach identifier is visible; the item is much more consistent with a handmade non-Coach bag.",
        "photo 1, photo 2: no Coach creed, wordmark, hangtag, or solid-brass turnlock visible to authenticate; construction inconsistent with Coach classics"
    ],
    "possible_model_reasoning": [
        "photo 1-2: No Coach model is a plausible match; the western flap, decorative hand stitching, and side-clip strap are not sufficient to identify a Coach style.",
        "photo 1-2: Condition appears Good based on visible scuffs, uneven dye\/color wear, and edge wear; interior and bottom condition are unknown.",
        "No Coach model fits: western yoke, laced edges, silver snap-hook strap, and mottled pink craft leather are inconsistent with City Bag, Dinky, Pocket Purse or other small flap styles",
        "No creed \/ serial \/ wordmark \/ brass turnlock to decode for era; seller correctly lists as Unbranded \/ Handmade",
        "Condition: appears Like New \/ handmade new; no corner wear visible in photo 1 and photo 2, but bottom, interior and strap fold 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": "photo 1-2: Silver-tone side clips and rings are visible; no turning-tab lock or Coach engraving is visible.",
        "leather_description": "photo 1-2: Dyed pink\/magenta leather or leather-like material with a contrasting natural-tan flap panel; visible scuffs and uneven coloration.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: Long narrow tan shoulder strap attached at the sides with metal clips and small leather tabs.",
        "stitching_description": "photo 1-2: Prominent contrasting hand-laced or decorative stitched edging and visible decorative stitching on the flap; workmanship appears handcrafted and uneven in places."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "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": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has a highly decorative western-style stitched flap and bright pink finish, with no visible Coach wordmark, horse-and-carriage, or recognizable Coach construction cues.",
                    "photo 1: The central leather panel contains decorative stitched lines and motifs, not a visibly stamped Coach creed.",
                    "photo 1: Silver-tone clip hardware and hand-laced contrasting trim do not resemble typical vintage Coach classic brass hardware.",
                    "photo 2: The bag appears handmade and western-styled, consistent with the seller's description rather than a catalog Coach silhouette.",
                    "photo 1: Visible surface wear, uneven coloration, and handcrafted stitching support an independent artisan or generic leather bag identification."
                ],
                "missing_information": [
                    "photo 1-2: Interior, lining, and any interior brand label are not shown.",
                    "photo 1-2: No close-up of the reverse side, bottom, zipper, or all hardware is provided.",
                    "photo 1-2: Exact dimensions and maker information are unavailable."
                ],
                "authenticity_concerns": [
                    "photo 1: The decorative stitched panel could be mistaken for a creed at a glance, but it does not visibly show standard Coach creed wording or a serial number.",
                    "photo 1: Silver-tone hardware and western hand-laced construction are inconsistent with the likely construction of classic vintage Coach bags.",
                    "photo 1-2: No Coach identifier is visible; the item is much more consistent with a handmade non-Coach bag."
                ],
                "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 1-2: Silver-tone side clips and rings are visible; no turning-tab lock or Coach engraving is visible.",
                    "leather_description": "photo 1-2: Dyed pink\/magenta leather or leather-like material with a contrasting natural-tan flap panel; visible scuffs and uneven coloration.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-2: Long narrow tan shoulder strap attached at the sides with metal clips and small leather tabs.",
                    "stitching_description": "photo 1-2: Prominent contrasting hand-laced or decorative stitched edging and visible decorative stitching on the flap; workmanship appears handcrafted and uneven in places."
                },
                "possible_model_reasoning": [
                    "photo 1-2: No Coach model is a plausible match; the western flap, decorative hand stitching, and side-clip strap are not sufficient to identify a Coach style.",
                    "photo 1-2: Condition appears Good based on visible scuffs, uneven dye\/color wear, and edge wear; interior and bottom condition are unknown."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: no Coach creed, wordmark, hangtag, or solid-brass turnlock visible to authenticate; construction inconsistent with Coach classics"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of interior emptied and lining",
                    "photo of back, sides, and bottom",
                    "close-up of hardware stamps and strap ends",
                    "seller-stated dimensions"
                ],
                "negative_evidence": [
                    "photo 1: western yoke applique with boot-stitch embroidery never used on Coach classics",
                    "photo 1, photo 2: white laced \/ saddle-stitched side seams and mottled pink dye, not Coach glove-tanned finish",
                    "photo 1, photo 2: silver-tone swivel snap strap hooks, not vintage solid-brass dogleash \/ turnlock hardware",
                    "photo 1, photo 2: no creed patch, no COACH wordmark, no hangtag, no turnlock visible",
                    "photo 2: small western crossbody silhouette with tan yoke flap does not match any Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone swivel snap hooks and D-rings at strap ends visible in photo 1 and photo 2; no turnlock, no brass hardware, no stamps visible",
                    "leather_description": "photo 1, photo 2: pink \/ magenta dyed leather body with mottled lighter areas and natural tan leather yoke and crossbody strap; western-style craft leather, not Coach glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white lacing along side edges and pink saddle-stitching around tan yoke; decorative western boot-stitch on yoke in photo 1",
                    "strap_construction": "photo 2: long thin natural-tan flat leather crossbody strap attached with silver-tone swivel snaps, riveted ends",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: western yoke, laced edges, silver snap-hook strap, and mottled pink craft leather are inconsistent with City Bag, Dinky, Pocket Purse or other small flap styles",
                    "No creed \/ serial \/ wordmark \/ brass turnlock to decode for era; seller correctly lists as Unbranded \/ Handmade",
                    "Condition: appears Like New \/ handmade new; no corner wear visible in photo 1 and photo 2, but bottom, interior and strap fold not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 779,
            "total_tokens": 21865,
            "estimated_cost_usd": 0.010304
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 22097,
            "output_tokens": 1252,
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}