Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.34,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.855,
    "recommended_max_bid": 7.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: A handbag is clearly visible with a structured satchel shape and top handles."
    ],
    "negative_evidence": [
        "photo 1: The bag has an all-over black geometric line print rather than a recognizable Coach Signature C pattern or classic solid-leather construction.",
        "photo 1: The material appears synthetic and is consistent with the seller-stated PU leather; this strongly weighs against vintage Coach.",
        "photo 1: No legible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible.",
        "photo 1: The round gold center closure is not visibly a classic Coach turnlock, and the overall hardware appears generic.",
        "photo 1: The lifestyle image appears promotional or AI-generated rather than a detailed product photograph.",
        "photo 1: pink PU synthetic tote with black geometric line print - not glove-tanned leather, not Coach silhouette",
        "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: no solid-brass turnlock, buckles, or dogleash clips; only small gold-tone stud visible",
        "seller states PU leather and Unbranded - PU \/ faux leather caps coach_probability at 0.01-0.03"
    ],
    "missing_information": [
        "A straight-on product photo of the exterior and both sides.",
        "An interior photo showing the lining, label, creed patch, and any fabric tags.",
        "Close-ups of the closure, hardware, zipper pulls, and any attached tags.",
        "Photos of the bottom, corners, strap, and stitching.",
        "Seller-provided measurements and confirmation of the material composition.",
        "photo 1-3: interior \/ creed patch not shown - request straight-on creed photo",
        "photo 1-3: no hardware close-up, no back \/ bottom \/ side views",
        "photo 1-3: lining not shown",
        "photo 1-3: strap construction \/ detachable crossbody strap not shown"
    ],
    "authenticity_concerns": [
        "photo 1: Synthetic PU construction and generic geometric print are inconsistent with the vintage Coach handbag population.",
        "photo 1: The bag lacks any visible brand identifiers and resembles a modern unbranded fashion handbag rather than a Coach model."
    ],
    "possible_model_reasoning": [
        "The geometric printed satchel does not match a recognizable Coach catalog silhouette or documented Coach material treatment. No Coach model is supportable.",
        "Condition cannot be reliably graded because only a promotional exterior view is provided; interior, bottom, corners, and functional hardware are not shown.",
        "photo 1: geometric-print PU satchel shape matches no catalog Coach style in 4.2 or 4.3",
        "No creed, serial, wordmark, hangtag, brass hardware, or glove-tanned leather to decode era from; construction indicates modern fast-fashion, non-Coach",
        "Condition: appears New-like in lifestyle stock-type image, but condition grade not applicable for generic PU bag from single distant view"
    ],
    "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: Small round gold-tone center closure and gold-tone-looking hardware are visible; no classic Coach turnlock is identifiable.",
        "leather_description": "photo 1: Appears to be pink synthetic\/PU material with a printed geometric pattern; natural leather cannot be established.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two short top handles are visible; a long crossbody strap is not clearly visible.",
        "stitching_description": "photo 1: Exterior seams are visible but fine stitching quality is not assessable from the lifestyle image."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.38,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: A handbag is clearly visible with a structured satchel shape and top handles."
                ],
                "negative_evidence": [
                    "photo 1: The bag has an all-over black geometric line print rather than a recognizable Coach Signature C pattern or classic solid-leather construction.",
                    "photo 1: The material appears synthetic and is consistent with the seller-stated PU leather; this strongly weighs against vintage Coach.",
                    "photo 1: No legible COACH wordmark, horse-and-carriage, creed patch, serial\/style number, or Coach hangtag is visible.",
                    "photo 1: The round gold center closure is not visibly a classic Coach turnlock, and the overall hardware appears generic.",
                    "photo 1: The lifestyle image appears promotional or AI-generated rather than a detailed product photograph."
                ],
                "missing_information": [
                    "A straight-on product photo of the exterior and both sides.",
                    "An interior photo showing the lining, label, creed patch, and any fabric tags.",
                    "Close-ups of the closure, hardware, zipper pulls, and any attached tags.",
                    "Photos of the bottom, corners, strap, and stitching.",
                    "Seller-provided measurements and confirmation of the material composition."
                ],
                "authenticity_concerns": [
                    "photo 1: Synthetic PU construction and generic geometric print are inconsistent with the vintage Coach handbag population.",
                    "photo 1: The bag lacks any visible brand identifiers and resembles a modern unbranded fashion handbag rather than a Coach model."
                ],
                "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: Small round gold-tone center closure and gold-tone-looking hardware are visible; no classic Coach turnlock is identifiable.",
                    "leather_description": "photo 1: Appears to be pink synthetic\/PU material with a printed geometric pattern; natural leather cannot be established.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two short top handles are visible; a long crossbody strap is not clearly visible.",
                    "stitching_description": "photo 1: Exterior seams are visible but fine stitching quality is not assessable from the lifestyle image."
                },
                "possible_model_reasoning": [
                    "The geometric printed satchel does not match a recognizable Coach catalog silhouette or documented Coach material treatment. No Coach model is supportable.",
                    "Condition cannot be reliably graded because only a promotional exterior view is provided; interior, bottom, corners, and functional hardware are not shown."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.3,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-3: interior \/ creed patch not shown - request straight-on creed photo",
                    "photo 1-3: no hardware close-up, no back \/ bottom \/ side views",
                    "photo 1-3: lining not shown",
                    "photo 1-3: strap construction \/ detachable crossbody strap not shown"
                ],
                "negative_evidence": [
                    "photo 1: pink PU synthetic tote with black geometric line print - not glove-tanned leather, not Coach silhouette",
                    "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: no solid-brass turnlock, buckles, or dogleash clips; only small gold-tone stud visible",
                    "seller states PU leather and Unbranded - PU \/ faux leather caps coach_probability at 0.01-0.03"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: small round gold-tone stud at front; no turnlock, no brass hardware visible",
                    "leather_description": "photo 1: pink synthetic with black geometric line print; seller states PU leather; not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "photo 1: short rolled top handles visible; detachable crossbody strap claimed in title but not visible in photos",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1: geometric-print PU satchel shape matches no catalog Coach style in 4.2 or 4.3",
                    "No creed, serial, wordmark, hangtag, brass hardware, or glove-tanned leather to decode era from; construction indicates modern fast-fashion, non-Coach",
                    "Condition: appears New-like in lifestyle stock-type image, but condition grade not applicable for generic PU bag from single distant view"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18780,
            "output_tokens": 744,
            "total_tokens": 19524,
            "estimated_cost_usd": 0.009298
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19485,
            "output_tokens": 1226,
            "total_tokens": 20711,
            "estimated_cost_usd": 0.004878
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}