Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.04,
    "vintage_probability": 0.66,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.57,
    "seller_misidentification_probability": 0.065,
    "confidence": 0.61,
    "recommended_max_bid": 10,
    "estimated_resale_low": 5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather handbag with a framed kiss-lock closure and attached strap.",
        "photo 2: The bag can apparently be carried with a long thin strap or as a clutch, consistent with a vintage evening-purse design.",
        "photo 4: Leather appears soft and naturally creased rather than synthetic.",
        "photo 1-3: leather kisslock evening clutch\/crossbody - leather handbag form where misidentified vintage could hide"
    ],
    "negative_evidence": [
        "photo 1: The visible exterior has no COACH wordmark, horse-and-carriage, hangtag, or other Coach identifier.",
        "photo 1: The kiss-lock frame closure is not a characteristic Coach turnlock closure.",
        "photo 2: The strap and attachment construction do not visibly match a recognizable classic Coach model.",
        "photo 3: The reverse is unmarked and provides no Coach branding.",
        "Listing text: Seller identifies the maker as Shirl Miller Ltd., not Coach; this is seller-stated and not independently verified in the photos.",
        "photo 1,2,3,4: no creed patch, COACH wordmark, hangtag, or horse-and-carriage visible",
        "photo 1,4: kisslock ball-clasp frame with bright gold-tone plating showing wear\/plating loss - not solid brass vintage Coach turnlock hardware",
        "photo 1-3: soft gathered kisslock clutch silhouette does not match catalog Coach classics which use turnlock flap closures",
        "seller text states Brand: Shirl Miller Ltd, not Coach"
    ],
    "missing_information": [
        "Interior photos, including any brand label, creed patch, or fabric tag.",
        "Close-up photos of both sides of the frame, clasp, strap attachments, and any hardware markings.",
        "Bottom, corners, and full strap-condition photos.",
        "Readable photos of any interior or exterior maker stamp.",
        "photo 1-4: interior not shown - no creed patch, lining, or interior label visible",
        "photo 1-4: no COACH wordmark, hangtag, or horse-and-carriage visible",
        "photo 4: close-up of frame shows plating wear but no maker stamp visible - need hardware stamps",
        "photo 2: thin strap attachment and full length detail not clear"
    ],
    "authenticity_concerns": [
        "The visible design is more consistent with a generic or Shirl Miller framed leather purse than with a Coach handbag.",
        "No Coach identifier is visible, and the silhouette does not closely match the documented classic Coach catalog shapes."
    ],
    "possible_model_reasoning": [
        "No Coach model fits: kisslock frame, plated hardware with plating loss, and absence of creed\/wordmark\/turnlock\/hangtag inconsistent with Coach classics; seller attribution to Shirl Miller Ltd explains object",
        "Condition: Good; soft leather with creasing\/slouch (photo 3) and hardware discoloration\/plating wear (photo 4), interior unknown 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 1-4: Gold-tone metal kiss-lock frame with twin spherical clasp knobs; visible discoloration and finish wear on the frame. No Coach engraving is visible.",
        "leather_description": "Photos 1-4: Soft dark leather, appearing black or very dark navy, with substantial wrinkling, creasing, and surface wear.",
        "lining_description": "not_visible",
        "strap_construction": "Photo 2: Thin dark strap attached at the upper sides; seller states it can be placed inside for clutch use. Attachment details are not shown closely.",
        "stitching_description": "Photos 1-4: Vertical gathered sections and perimeter construction are visible, but stitching is not sufficiently clear for a detailed assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.62,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.59,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather handbag with a framed kiss-lock closure and attached strap.",
                    "photo 2: The bag can apparently be carried with a long thin strap or as a clutch, consistent with a vintage evening-purse design.",
                    "photo 4: Leather appears soft and naturally creased rather than synthetic."
                ],
                "negative_evidence": [
                    "photo 1: The visible exterior has no COACH wordmark, horse-and-carriage, hangtag, or other Coach identifier.",
                    "photo 1: The kiss-lock frame closure is not a characteristic Coach turnlock closure.",
                    "photo 2: The strap and attachment construction do not visibly match a recognizable classic Coach model.",
                    "photo 3: The reverse is unmarked and provides no Coach branding.",
                    "Listing text: Seller identifies the maker as Shirl Miller Ltd., not Coach; this is seller-stated and not independently verified in the photos."
                ],
                "missing_information": [
                    "Interior photos, including any brand label, creed patch, or fabric tag.",
                    "Close-up photos of both sides of the frame, clasp, strap attachments, and any hardware markings.",
                    "Bottom, corners, and full strap-condition photos.",
                    "Readable photos of any interior or exterior maker stamp."
                ],
                "authenticity_concerns": [
                    "The visible design is more consistent with a generic or Shirl Miller framed leather purse than with a Coach handbag.",
                    "No Coach identifier is visible, and the silhouette does not closely match the documented classic Coach catalog shapes."
                ],
                "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 1-4: Gold-tone metal kiss-lock frame with twin spherical clasp knobs; visible discoloration and finish wear on the frame. No Coach engraving is visible.",
                    "leather_description": "Photos 1-4: Soft dark leather, appearing black or very dark navy, with substantial wrinkling, creasing, and surface wear.",
                    "lining_description": "not_visible",
                    "strap_construction": "Photo 2: Thin dark strap attached at the upper sides; seller states it can be placed inside for clutch use. Attachment details are not shown closely.",
                    "stitching_description": "Photos 1-4: Vertical gathered sections and perimeter construction are visible, but stitching is not sufficiently clear for a detailed assessment."
                },
                "possible_model_reasoning": [],
                "confidence": 0.57,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.05,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1-4: interior not shown - no creed patch, lining, or interior label visible",
                    "photo 1-4: no COACH wordmark, hangtag, or horse-and-carriage visible",
                    "photo 4: close-up of frame shows plating wear but no maker stamp visible - need hardware stamps",
                    "photo 2: thin strap attachment and full length detail not clear"
                ],
                "negative_evidence": [
                    "photo 1,2,3,4: no creed patch, COACH wordmark, hangtag, or horse-and-carriage visible",
                    "photo 1,4: kisslock ball-clasp frame with bright gold-tone plating showing wear\/plating loss - not solid brass vintage Coach turnlock hardware",
                    "photo 1-3: soft gathered kisslock clutch silhouette does not match catalog Coach classics which use turnlock flap closures",
                    "seller text states Brand: Shirl Miller Ltd, not Coach"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone kisslock frame with twin ball clasps; bright plated finish with discoloration\/plating loss on one side visible in photo 4",
                    "leather_description": "dark navy to black soft leather with sheen and soft gathers at frame, creasing and slouch visible in photo 3",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "center vertical seam visible on front in photo 1-2; detail limited by resolution",
                    "strap_construction": "thin dark cord-like detachable strap visible in photo 2, attached at frame ends",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-3: leather kisslock evening clutch\/crossbody - leather handbag form where misidentified vintage could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: kisslock frame, plated hardware with plating loss, and absence of creed\/wordmark\/turnlock\/hangtag inconsistent with Coach classics; seller attribution to Shirl Miller Ltd explains object",
                    "Condition: Good; soft leather with creasing\/slouch (photo 3) and hardware discoloration\/plating wear (photo 4), interior unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16925,
            "output_tokens": 774,
            "total_tokens": 17699,
            "estimated_cost_usd": 0.008628
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17244,
            "output_tokens": 1240,
            "total_tokens": 18484,
            "estimated_cost_usd": 0.004441
        }
    ]
}