Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.04,
    "vintage_probability": 0.235,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.685,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.745,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: The item is clearly a flap-style crossbody handbag with a leather-like exterior.",
        "photo 6: The photographed width appears approximately 10 inches, consistent with a small handbag.",
        "photo 1-3: leather flap crossbody handbag, a population where misidentified Coach can hide",
        "photo 5-6: ~10 in width with hand scale, consistent with small flap crossbody size"
    ],
    "negative_evidence": [
        "photo 1: Exterior has an all-over crackle finish and strongly coated or painted appearance, unlike typical vintage Coach glove-tanned cowhide.",
        "photo 2: No visible Coach wordmark, horse-and-carriage mark, leather hangtag, or identifiable Coach hardware.",
        "photo 3: The closure appears to be a plain small snap or magnetic closure rather than a recognizable Coach turnlock.",
        "photo 4: Interior is fabric-lined and shows no visible Coach creed patch or serial tag.",
        "photo 1: The stitching, edge finishing, and heavily crackled surface read as a generic fashion handbag rather than a classic Coach construction.",
        "Listing title: Seller identifies the bag as unbranded; this is weak context only and is consistent with the lack of visible brand identifiers.",
        "photo 1-3: no COACH wordmark, horse-and-carriage, or creed patch visible",
        "photo 1-3,5-6: leather is black high-gloss crackle \/ crushed patent with mosaic crazing, not glove-tanned cowhide with natural grain",
        "photo 4: interior is lined in black fabric with slip pocket, not unlined suede-back glove-tanned classic construction",
        "photo 3: closure appears to be small dark round snap\/magnetic under flap, no brass turnlock with vintage Coach geometry visible",
        "photo 1-6: no solid brass hardware, no dogleash clips, no bead-chain hangtag, no Talon\/YKK zipper visible"
    ],
    "missing_information": [
        "photo 4: A straight-on, close-up photograph of the entire interior back wall and all interior pockets is needed to definitively check for a concealed creed patch.",
        "A close-up of the closure, strap attachment points, and any hardware markings is needed.",
        "Photos of the back, both sides, bottom, and all corners would better establish construction and condition.",
        "Seller-stated material composition and dimensions are not provided; the exterior may be coated or synthetic rather than full-grain leather.",
        "photo of creed patch \/ interior back wall straight-on in raking light to confirm no Coach identifier",
        "hardware close-ups: closure, strap attachments, any stamps",
        "exterior bottom\/side views and strap full length with buckle holes",
        "interior emptied view showing construction and any fabric tags"
    ],
    "authenticity_concerns": [
        "photo 1: The crackled, glossy\/coated exterior is inconsistent with the usual uncoated glove-tanned leather of vintage Coach classics.",
        "photo 4: The fabric-lined interior has no visible creed or other Coach identifier; no Coach manufacture can be supported from the available views.",
        "photo 3: The plain closure and narrow strap construction do not match a clearly recognizable vintage Coach model."
    ],
    "possible_model_reasoning": [
        "No Coach model is a convincing match: the generic flap silhouette and crackle finish are not sufficient for a Coach attribution.",
        "photo 4: The lack of a visible creed in the available interior view materially lowers the Coach probability, though the image does not show every interior surface close enough to exclude a hidden patch.",
        "Condition: Fair\/rehab; extensive cracking or crackle-pattern surface deterioration, edge wear, and unknown interior\/strap condition are visible in photos 1-4. The crackled finish may be intentional but appears substantially degraded.",
        "No Coach identifier visible in any photo, so no catalog style can be ranked",
        "Silhouette is simple envelope flap crossbody with snap closure and thin strap; does not match classic Coach turnlock models like Dinky (9375), City Bag (9790), Court (9870) which require brass turnlock and unlined glove-tanned leather",
        "Construction cues point away from Coach: crackle patent finish plus fabric lining vs vintage unlined glove-tanned + solid brass",
        "Condition: Good to Very Good for generic bag; glossy finish with light scuffs (photo 1), edges intact, interior lining appears intact but dark photo limits grading"
    ],
    "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 3: Small plain closure area is visible; no recognizable Coach turnlock or hardware branding is visible. Strap hardware is not shown clearly.",
        "leather_description": "photo 1: Black exterior with extensive raised crackle pattern and glossy\/coated appearance; material cannot be confirmed as full-grain leather.",
        "lining_description": "photo 4: Dark fabric or textile lining is visible, with an interior slip pocket; no creed patch is visible in the photographed area.",
        "strap_construction": "photo 3: Narrow black strap is visible, apparently attached at the sides; attachment hardware and adjustability are not clearly shown.",
        "stitching_description": "photos 1-3: Perimeter stitching is visible but appears uneven or difficult to assess in detail; edge finishing is heavily worn or coated."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0051,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.12,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: The item is clearly a flap-style crossbody handbag with a leather-like exterior.",
                    "photo 6: The photographed width appears approximately 10 inches, consistent with a small handbag."
                ],
                "negative_evidence": [
                    "photo 1: Exterior has an all-over crackle finish and strongly coated or painted appearance, unlike typical vintage Coach glove-tanned cowhide.",
                    "photo 2: No visible Coach wordmark, horse-and-carriage mark, leather hangtag, or identifiable Coach hardware.",
                    "photo 3: The closure appears to be a plain small snap or magnetic closure rather than a recognizable Coach turnlock.",
                    "photo 4: Interior is fabric-lined and shows no visible Coach creed patch or serial tag.",
                    "photo 1: The stitching, edge finishing, and heavily crackled surface read as a generic fashion handbag rather than a classic Coach construction.",
                    "Listing title: Seller identifies the bag as unbranded; this is weak context only and is consistent with the lack of visible brand identifiers."
                ],
                "missing_information": [
                    "photo 4: A straight-on, close-up photograph of the entire interior back wall and all interior pockets is needed to definitively check for a concealed creed patch.",
                    "A close-up of the closure, strap attachment points, and any hardware markings is needed.",
                    "Photos of the back, both sides, bottom, and all corners would better establish construction and condition.",
                    "Seller-stated material composition and dimensions are not provided; the exterior may be coated or synthetic rather than full-grain leather."
                ],
                "authenticity_concerns": [
                    "photo 1: The crackled, glossy\/coated exterior is inconsistent with the usual uncoated glove-tanned leather of vintage Coach classics.",
                    "photo 4: The fabric-lined interior has no visible creed or other Coach identifier; no Coach manufacture can be supported from the available views.",
                    "photo 3: The plain closure and narrow strap construction do not match a clearly recognizable vintage 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 3: Small plain closure area is visible; no recognizable Coach turnlock or hardware branding is visible. Strap hardware is not shown clearly.",
                    "leather_description": "photo 1: Black exterior with extensive raised crackle pattern and glossy\/coated appearance; material cannot be confirmed as full-grain leather.",
                    "lining_description": "photo 4: Dark fabric or textile lining is visible, with an interior slip pocket; no creed patch is visible in the photographed area.",
                    "strap_construction": "photo 3: Narrow black strap is visible, apparently attached at the sides; attachment hardware and adjustability are not clearly shown.",
                    "stitching_description": "photos 1-3: Perimeter stitching is visible but appears uneven or difficult to assess in detail; edge finishing is heavily worn or coated."
                },
                "possible_model_reasoning": [
                    "No Coach model is a convincing match: the generic flap silhouette and crackle finish are not sufficient for a Coach attribution.",
                    "photo 4: The lack of a visible creed in the available interior view materially lowers the Coach probability, though the image does not show every interior surface close enough to exclude a hidden patch.",
                    "Condition: Fair\/rehab; extensive cracking or crackle-pattern surface deterioration, edge wear, and unknown interior\/strap condition are visible in photos 1-4. The crackled finish may be intentional but appears substantially degraded."
                ],
                "confidence": 0.81,
                "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": 0.04,
                "coach_probability": 0.04,
                "confidence": 0.68,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.96,
                "missing_information": [
                    "photo of creed patch \/ interior back wall straight-on in raking light to confirm no Coach identifier",
                    "hardware close-ups: closure, strap attachments, any stamps",
                    "exterior bottom\/side views and strap full length with buckle holes",
                    "interior emptied view showing construction and any fabric tags"
                ],
                "negative_evidence": [
                    "photo 1-3: no COACH wordmark, horse-and-carriage, or creed patch visible",
                    "photo 1-3,5-6: leather is black high-gloss crackle \/ crushed patent with mosaic crazing, not glove-tanned cowhide with natural grain",
                    "photo 4: interior is lined in black fabric with slip pocket, not unlined suede-back glove-tanned classic construction",
                    "photo 3: closure appears to be small dark round snap\/magnetic under flap, no brass turnlock with vintage Coach geometry visible",
                    "photo 1-6: no solid brass hardware, no dogleash clips, no bead-chain hangtag, no Talon\/YKK zipper visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 3: small dark round snap visible under flap; no brass turnlock, buckles, D-rings or zipper pulls legible; strap is thin dark cord-like crossbody strap",
                    "leather_description": "photo 1-3,5-6: black crackle \/ crushed patent leather with glossy mosaic crazed finish, ~10 in wide per ruler",
                    "lining_description": "photo 4: black fabric lining with center slip pocket, dark photo, no leather creed patch visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1-2,5: edge stitching around flap and side seams, tone-on-tone, no detailed stitch quality visible",
                    "strap_construction": "photo 3: thin non-adjustable-appearing crossbody strap, attachment and clips not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-3: leather flap crossbody handbag, a population where misidentified Coach can hide",
                    "photo 5-6: ~10 in width with hand scale, consistent with small flap crossbody size"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo, so no catalog style can be ranked",
                    "Silhouette is simple envelope flap crossbody with snap closure and thin strap; does not match classic Coach turnlock models like Dinky (9375), City Bag (9790), Court (9870) which require brass turnlock and unlined glove-tanned leather",
                    "Construction cues point away from Coach: crackle patent finish plus fabric lining vs vintage unlined glove-tanned + solid brass",
                    "Condition: Good to Very Good for generic bag; glossy finish with light scuffs (photo 1), edges intact, interior lining appears intact but dark photo limits grading"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.04,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25533,
            "output_tokens": 876,
            "total_tokens": 26409,
            "estimated_cost_usd": 0.012316
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 26528,
            "output_tokens": 1267,
            "total_tokens": 27795,
            "estimated_cost_usd": 0.006319
        }
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}