Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.015,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.96,
    "confidence": 0.93,
    "recommended_max_bid": 8.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: front closure is prominently marked LOUIS VUITTON PARIS rather than Coach.",
        "photo 2: shoulder strap and compact flap silhouette do not show recognizable vintage Coach construction or branding.",
        "photo 3: repeated LV-style monogram pattern and large gold LV-marked clasp are inconsistent with Coach.",
        "photo 1: the monogram surface appears coated or printed rather than visible glove-tanned Coach leather.",
        "photo 1, photo 2: brown monogram coated canvas body with vachetta trim, not Coach glove-tanned leather",
        "photo 1, photo 3: front S-lock clasp engraved LOUIS VUITTON PARIS with LV circle logo, not Coach turnlock geometry",
        "photo 1, photo 2, photo 3: LV monogram print visible on body and shoulder strap, no COACH wordmark or horse-and-carriage visible",
        "photo 1, photo 2, photo 3: no creed patch, no Coach hangtag, no solid-brass Coach hardware visible"
    ],
    "missing_information": [
        "photo 1-3: interior, lining, creed area, and any date\/style tag are not shown.",
        "photo 1-3: no bottom, corner, zipper, or seam-construction views are provided.",
        "photo 1-3: provenance and purchase history are not provided.",
        "photo of interior emptied including any interior labels, date code or creed-like patch",
        "photo of back, sides and bottom including corners",
        "close-up of strap ends, buckle holes and hardware stamps"
    ],
    "authenticity_concerns": [
        "photo 1 and photo 3: the bag uses Louis Vuitton branding while being listed as unbranded; it may be a counterfeit or logo-style bag, but authenticity of Louis Vuitton cannot be determined from these photos alone.",
        "photo 3: highly prominent branded clasp and monogram pattern are not Coach identifiers and are inconsistent with a Coach-made bag.",
        "photo 1, photo 3: bag bears LOUIS VUITTON PARIS engraving and LV monogram canvas, indicating another brand, not Coach",
        "photo 1, photo 2, photo 3: no Coach creed, wordmark, horse-and-carriage or style number visible to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "photo 1-3: this is a small structured flap handbag with top handle and long shoulder strap, but its LV-marked clasp and monogram do not match a Coach model.",
        "photo 1-3: no Coach creed, serial\/style number, wordmark, horse-and-carriage, or Coach hangtag is visible.",
        "Condition: approximately Very Good from the visible exterior; no major tears or broken hardware are apparent, but interior, odor, corners, and lining cannot be graded.",
        "Silhouette is east-west flap top-handle with crossbody strap resembling Louis Vuitton Pochette Metis type, not a catalog Coach classic",
        "No Coach identifiers visible in any photo so no Coach model can be ranked",
        "Condition: not graded as Coach; exterior looks clean in photos 1-2 but interior, bottom and corners not shown so condition unknown"
    ],
    "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 and photo 3: bright gold-tone rectangular LV-marked clasp with rounded decorative fasteners; photo 2: gold-tone strap clips and hardware. No Coach engraving visible.",
        "leather_description": "photo 1-3: dark brown surface with a repeated blurred LV-style monogram; material appears coated or printed, but exact material is not verifiable.",
        "lining_description": "not_visible",
        "strap_construction": "photo 2: detachable-looking long shoulder strap with gold-tone clips; photo 1: short top handle with contrasting tan\/red edging.",
        "stitching_description": "photo 1 and photo 3: visible dark perimeter stitching appears generally even; interior and stress-point stitching are not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "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": 0.91,
                "seller_misidentification_probability": 0.97,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: front closure is prominently marked LOUIS VUITTON PARIS rather than Coach.",
                    "photo 2: shoulder strap and compact flap silhouette do not show recognizable vintage Coach construction or branding.",
                    "photo 3: repeated LV-style monogram pattern and large gold LV-marked clasp are inconsistent with Coach.",
                    "photo 1: the monogram surface appears coated or printed rather than visible glove-tanned Coach leather."
                ],
                "missing_information": [
                    "photo 1-3: interior, lining, creed area, and any date\/style tag are not shown.",
                    "photo 1-3: no bottom, corner, zipper, or seam-construction views are provided.",
                    "photo 1-3: provenance and purchase history are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1 and photo 3: the bag uses Louis Vuitton branding while being listed as unbranded; it may be a counterfeit or logo-style bag, but authenticity of Louis Vuitton cannot be determined from these photos alone.",
                    "photo 3: highly prominent branded clasp and monogram pattern are not Coach identifiers and are inconsistent with a Coach-made 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 and photo 3: bright gold-tone rectangular LV-marked clasp with rounded decorative fasteners; photo 2: gold-tone strap clips and hardware. No Coach engraving visible.",
                    "leather_description": "photo 1-3: dark brown surface with a repeated blurred LV-style monogram; material appears coated or printed, but exact material is not verifiable.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 2: detachable-looking long shoulder strap with gold-tone clips; photo 1: short top handle with contrasting tan\/red edging.",
                    "stitching_description": "photo 1 and photo 3: visible dark perimeter stitching appears generally even; interior and stress-point stitching are not shown."
                },
                "possible_model_reasoning": [
                    "photo 1-3: this is a small structured flap handbag with top handle and long shoulder strap, but its LV-marked clasp and monogram do not match a Coach model.",
                    "photo 1-3: no Coach creed, serial\/style number, wordmark, horse-and-carriage, or Coach hangtag is visible.",
                    "Condition: approximately Very Good from the visible exterior; no major tears or broken hardware are apparent, but interior, odor, corners, and lining cannot be graded."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 3: bag bears LOUIS VUITTON PARIS engraving and LV monogram canvas, indicating another brand, not Coach",
                    "photo 1, photo 2, photo 3: no Coach creed, wordmark, horse-and-carriage or style number visible to support Coach manufacture"
                ],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior emptied including any interior labels, date code or creed-like patch",
                    "photo of back, sides and bottom including corners",
                    "close-up of strap ends, buckle holes and hardware stamps"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: brown monogram coated canvas body with vachetta trim, not Coach glove-tanned leather",
                    "photo 1, photo 3: front S-lock clasp engraved LOUIS VUITTON PARIS with LV circle logo, not Coach turnlock geometry",
                    "photo 1, photo 2, photo 3: LV monogram print visible on body and shoulder strap, no COACH wordmark or horse-and-carriage visible",
                    "photo 1, photo 2, photo 3: no creed patch, no Coach hangtag, no solid-brass Coach hardware visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone plated S-lock \/ push-lock front clasp engraved LOUIS VUITTON PARIS with LV logo; gold-tone dogleash-type shoulder strap clips",
                    "leather_description": "brown monogram coated canvas with LV floral motif and light tan vachetta-type trim; not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark even edge stitching around flap visible in photo 1; no further detail visible",
                    "strap_construction": "photo 1, photo 2: short top handle in light trim plus long detachable monogram shoulder strap with gold-tone clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Silhouette is east-west flap top-handle with crossbody strap resembling Louis Vuitton Pochette Metis type, not a catalog Coach classic",
                    "No Coach identifiers visible in any photo so no Coach model can be ranked",
                    "Condition: not graded as Coach; exterior looks clean in photos 1-2 but interior, bottom and corners not shown so condition unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.95,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19061,
            "output_tokens": 810,
            "total_tokens": 19871,
            "estimated_cost_usd": 0.009568
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 19678,
            "output_tokens": 1677,
            "total_tokens": 21355,
            "estimated_cost_usd": 0.005277
        }
    ]
}