Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.065,
    "vintage_probability": 0.275,
    "authenticity_confidence": 0.05,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.66,
    "recommended_max_bid": 11,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: red leather shoulder-bag silhouette and leather construction are visible.",
        "photo 2: the bag has a functional zipper and layered leather trim.",
        "photo 3-4: red leather shoulder hobo handbag, 10.5 inch width per seller, consistent with handbag scale",
        "photo 3: soft slouchy leather with natural folds"
    ],
    "negative_evidence": [
        "photo 1: the visible interior has a fabric lining and no readable Coach creed or wordmark.",
        "photo 2: visible zipper hardware does not show a Coach stamp.",
        "photo 3: the exterior lacks a visible Coach hangtag, horse-and-carriage mark, or recognizable Coach turnlock.",
        "photo 3: the rounded, soft, multi-seamed shape does not strongly match a documented classic Coach model.",
        "photo 4: no identifying brand details are visible from the full-bag view.",
        "photo 1: interior is red fabric lining, not unlined suede-back glove-tanned leather expected for vintage Coach classics",
        "photo 2: zip-top closure with red-coated zipper and leather knotted pull, no solid brass hardware visible",
        "photo 3: crescent hobo silhouette with exterior slip pocket and center seam, no turnlock, no brass dogleash clips, no bead-chain hangtag",
        "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage visible in any view",
        "photo 3-4: thin fixed shoulder strap with no buckle adjustment or brass clips, unlike classic Coach straps"
    ],
    "missing_information": [
        "A straight-on photo of every interior wall and pocket, especially any leather creed patch.",
        "Close-up photos of all hardware, zipper pulls, strap attachments, and any interior labels or fabric tags.",
        "Bottom, side, and back views to assess construction and condition more fully.",
        "Clear close-up photos of the leather surface, corners, and strap attachment points.",
        "photo 1: interior shows no creed patch but view is blurry and partial - need straight-on raking-light photo of interior back wall and slip pocket",
        "photo 2: zipper pull brand stamp not legible - need close-up of pull and zipper teeth brand",
        "no exterior back, bottom, side close-ups to check for creed, labels, or construction",
        "no hangtag or wordmark close-up - confirm absence",
        "seller-stated dimensions only; no scale or hardware tone confirmation"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible in the provided photos; this currently reads as a generic leather shoulder bag rather than a Coach bag.",
        "The fabric-lined construction and absence of a visible creed, hangtag, or Coach wordmark provide little support for vintage Coach attribution."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the coach probability is below 0.10 and no Coach identifier is visible.",
        "The soft red shoulder-bag silhouette is compatible with many generic leather bags and is not distinctive enough for a Coach model match.",
        "Condition: Good used condition based on visible creasing and surface wear in photo 3; bottom, corners, strap wear, odor, and mold cannot be assessed fully because coverage is incomplete.",
        "No Coach identifier visible in any photo, so no catalog match is supportable. Silhouette is a generic zip-top crescent\/sidepack hobo, not a documented vintage Coach turnlock classic (City, Willis, Court, Station, Dinky). Fabric lining and non-brass zipper are inconsistent with 1970s-early 1990s unlined glove-tanned brass-hardware Coach. Condition: Good to Very Good; leather shows light creasing and softening (photo 3) but no major corner wear shown, interior looks clean but blurry (photo 1), bottom and strap fold not shown so 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 2: red-toned zipper hardware and zipper teeth are visible; no brand stamp is legible.",
        "leather_description": "photo 3: red leather or leather-like exterior with soft, visibly creased panels; exact leather type cannot be confirmed from photos.",
        "lining_description": "photo 1: red fabric lining is visible, including an interior zip pocket; no label or creed is legible.",
        "strap_construction": "photo 3 and photo 4: long narrow shoulder strap attached at the upper sides; attachment details are not shown clearly enough for further assessment.",
        "stitching_description": "photo 2 and photo 3: visible seams appear machine-stitched and generally even, with some wrinkling and wear; close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0033,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.08,
                "vintage_probability": 0.2,
                "authenticity_confidence": 0.05,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: red leather shoulder-bag silhouette and leather construction are visible.",
                    "photo 2: the bag has a functional zipper and layered leather trim."
                ],
                "negative_evidence": [
                    "photo 1: the visible interior has a fabric lining and no readable Coach creed or wordmark.",
                    "photo 2: visible zipper hardware does not show a Coach stamp.",
                    "photo 3: the exterior lacks a visible Coach hangtag, horse-and-carriage mark, or recognizable Coach turnlock.",
                    "photo 3: the rounded, soft, multi-seamed shape does not strongly match a documented classic Coach model.",
                    "photo 4: no identifying brand details are visible from the full-bag view."
                ],
                "missing_information": [
                    "A straight-on photo of every interior wall and pocket, especially any leather creed patch.",
                    "Close-up photos of all hardware, zipper pulls, strap attachments, and any interior labels or fabric tags.",
                    "Bottom, side, and back views to assess construction and condition more fully.",
                    "Clear close-up photos of the leather surface, corners, and strap attachment points."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible in the provided photos; this currently reads as a generic leather shoulder bag rather than a Coach bag.",
                    "The fabric-lined construction and absence of a visible creed, hangtag, or Coach wordmark provide little support for vintage Coach attribution."
                ],
                "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 2: red-toned zipper hardware and zipper teeth are visible; no brand stamp is legible.",
                    "leather_description": "photo 3: red leather or leather-like exterior with soft, visibly creased panels; exact leather type cannot be confirmed from photos.",
                    "lining_description": "photo 1: red fabric lining is visible, including an interior zip pocket; no label or creed is legible.",
                    "strap_construction": "photo 3 and photo 4: long narrow shoulder strap attached at the upper sides; attachment details are not shown clearly enough for further assessment.",
                    "stitching_description": "photo 2 and photo 3: visible seams appear machine-stitched and generally even, with some wrinkling and wear; close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the coach probability is below 0.10 and no Coach identifier is visible.",
                    "The soft red shoulder-bag silhouette is compatible with many generic leather bags and is not distinctive enough for a Coach model match.",
                    "Condition: Good used condition based on visible creasing and surface wear in photo 3; bottom, corners, strap wear, odor, and mold cannot be assessed fully because coverage is incomplete."
                ],
                "confidence": 0.72,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.6,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo 1: interior shows no creed patch but view is blurry and partial - need straight-on raking-light photo of interior back wall and slip pocket",
                    "photo 2: zipper pull brand stamp not legible - need close-up of pull and zipper teeth brand",
                    "no exterior back, bottom, side close-ups to check for creed, labels, or construction",
                    "no hangtag or wordmark close-up - confirm absence",
                    "seller-stated dimensions only; no scale or hardware tone confirmation"
                ],
                "negative_evidence": [
                    "photo 1: interior is red fabric lining, not unlined suede-back glove-tanned leather expected for vintage Coach classics",
                    "photo 2: zip-top closure with red-coated zipper and leather knotted pull, no solid brass hardware visible",
                    "photo 3: crescent hobo silhouette with exterior slip pocket and center seam, no turnlock, no brass dogleash clips, no bead-chain hangtag",
                    "photo 1-4: no creed patch, no COACH wordmark, no horse-and-carriage visible in any view",
                    "photo 3-4: thin fixed shoulder strap with no buckle adjustment or brass clips, unlike classic Coach straps"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "red zip-top zipper with red plastic-coated pull and small leather knot; no brass turnlock, buckles, or dogleash clips visible; hardware tone not brass",
                    "leather_description": "smooth red leather with soft sheen and slouch, visible grain and folds in photo 3; not clearly glove-tanned full-grain patina",
                    "lining_description": "photo 1: red fabric lining, appears nylon\/polyester, with interior slip pocket; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 3: straight center vertical seam and horizontal seam above front pocket, thread matched to leather; no close-up to assess tightness",
                    "strap_construction": "photo 3-4: thin narrow red leather fixed shoulder strap, sewn directly to body, no buckle, no detachable clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 3-4: red leather shoulder hobo handbag, 10.5 inch width per seller, consistent with handbag scale",
                    "photo 3: soft slouchy leather with natural folds"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo, so no catalog match is supportable. Silhouette is a generic zip-top crescent\/sidepack hobo, not a documented vintage Coach turnlock classic (City, Willis, Court, Station, Dinky). Fabric lining and non-brass zipper are inconsistent with 1970s-early 1990s unlined glove-tanned brass-hardware Coach. Condition: Good to Very Good; leather shows light creasing and softening (photo 3) but no major corner wear shown, interior looks clean but blurry (photo 1), bottom and strap fold not shown so capped."
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16872,
            "output_tokens": 815,
            "total_tokens": 17687,
            "estimated_cost_usd": 0.008705
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17190,
            "output_tokens": 1333,
            "total_tokens": 18523,
            "estimated_cost_usd": 0.004504
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}