Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.525,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.78,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Leather handbag silhouette and gathered construction are clearly visible.",
        "photo 1: The bag has a structured top-handle design and visible metal feet.",
        "photo 1-2: leather handbag with 9.5 inch scale consistent with handbag category"
    ],
    "negative_evidence": [
        "photo 1: No COACH wordmark, horse-and-carriage emblem, creed patch, or recognizable Coach hardware is visible.",
        "photo 1: Tortoiseshell lucite handles and the gathered frame shape are not characteristic evidence of a classic Coach model.",
        "photo 2: Visible base hardware appears generic; no Coach engraving or identifying stamp is visible.",
        "photo 1: The seller describes the bag as vintage but provides no Coach-specific details.",
        "photo 1: sculpted tortoiseshell lucite top handles - never used on vintage Coach classics",
        "photo 1: gathered frame purse silhouette with no turnlock, no flap, no Coach catalog match",
        "photo 1-2: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
        "photo 2: bottom feet are small brass-tone studs but no Coach construction cues"
    ],
    "missing_information": [
        "photo 3: Interior view, including any leather creed patch, fabric label, lining, and closure.",
        "photo 4: Close-up of any interior or exterior brand markings and hardware stamps.",
        "photo 5: Side, back, and top\/closure views.",
        "photo 6: Strap or handle attachment details, if present.",
        "photo of interior lining and any interior labels or stamped patch",
        "photo of front, back, side views beyond close crops",
        "close-up of handle attachments and hardware stamps",
        "creed patch straight-on if present - not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The construction and lucite handles are consistent with a generic vintage or retro-inspired handbag rather than an identifiable Coach style.",
        "photo 2: Generic feet and base construction provide no brand-specific support."
    ],
    "possible_model_reasoning": [
        "photo 1: The gathered frame\/top-handle silhouette does not closely match the listed classic Coach catalog models; no Coach model candidate is supportable.",
        "photo 2: Condition appears Good based on visible creasing, scratches, and wear to the base; interior condition and odor are unknown.",
        "photo 1 and photo 2: With no visible Coach identifier and only generic construction cues, this is better valued as a generic vintage leather handbag.",
        "No Coach model matches lucite-handle gathered frame purse; vintage Coach 1970s-1990s used brass turnlocks, leather straps\/handles, unlined glove-tanned leather - none seen here",
        "Era reasoning: seller describes 90s\/Y2K aesthetic but construction with lucite handles and no Coach identifiers points to generic non-Coach fashion bag, hence modern (2000s+), non-Coach",
        "Condition: Good per seller; photos show intact leather with light creasing, no interior or corners fully shown 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": "photo 1: Tortoiseshell lucite double handles and a matching lucite top frame; photo 2: four small gold-tone metal feet. No Coach engraving is visible.",
        "leather_description": "photo 1: Black leather or leather-like exterior with gathered folds and a pebbled surface; visible creasing and surface wear.",
        "lining_description": "not_visible",
        "strap_construction": "rigid tortoiseshell-pattern lucite double top handles attached at frame in photo 1; no detachable shoulder strap shown",
        "stitching_description": "photo 1: Dark edge stitching or piping is visible along the lower perimeter, but detailed stitch quality is not assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.65,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.62,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Leather handbag silhouette and gathered construction are clearly visible.",
                    "photo 1: The bag has a structured top-handle design and visible metal feet."
                ],
                "negative_evidence": [
                    "photo 1: No COACH wordmark, horse-and-carriage emblem, creed patch, or recognizable Coach hardware is visible.",
                    "photo 1: Tortoiseshell lucite handles and the gathered frame shape are not characteristic evidence of a classic Coach model.",
                    "photo 2: Visible base hardware appears generic; no Coach engraving or identifying stamp is visible.",
                    "photo 1: The seller describes the bag as vintage but provides no Coach-specific details."
                ],
                "missing_information": [
                    "photo 3: Interior view, including any leather creed patch, fabric label, lining, and closure.",
                    "photo 4: Close-up of any interior or exterior brand markings and hardware stamps.",
                    "photo 5: Side, back, and top\/closure views.",
                    "photo 6: Strap or handle attachment details, if present."
                ],
                "authenticity_concerns": [
                    "photo 1: The construction and lucite handles are consistent with a generic vintage or retro-inspired handbag rather than an identifiable Coach style.",
                    "photo 2: Generic feet and base construction provide no brand-specific support."
                ],
                "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: Tortoiseshell lucite double handles and a matching lucite top frame; photo 2: four small gold-tone metal feet. No Coach engraving is visible.",
                    "leather_description": "photo 1: Black leather or leather-like exterior with gathered folds and a pebbled surface; visible creasing and surface wear.",
                    "lining_description": "not_visible",
                    "strap_construction": "not_visible",
                    "stitching_description": "photo 1: Dark edge stitching or piping is visible along the lower perimeter, but detailed stitch quality is not assessable."
                },
                "possible_model_reasoning": [
                    "photo 1: The gathered frame\/top-handle silhouette does not closely match the listed classic Coach catalog models; no Coach model candidate is supportable.",
                    "photo 2: Condition appears Good based on visible creasing, scratches, and wear to the base; interior condition and odor are unknown.",
                    "photo 1 and photo 2: With no visible Coach identifier and only generic construction cues, this is better valued as a generic vintage leather handbag."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and any interior labels or stamped patch",
                    "photo of front, back, side views beyond close crops",
                    "close-up of handle attachments and hardware stamps",
                    "creed patch straight-on if present - not shown"
                ],
                "negative_evidence": [
                    "photo 1: sculpted tortoiseshell lucite top handles - never used on vintage Coach classics",
                    "photo 1: gathered frame purse silhouette with no turnlock, no flap, no Coach catalog match",
                    "photo 1-2: no COACH wordmark, horse-and-carriage, creed patch or hangtag visible",
                    "photo 2: bottom feet are small brass-tone studs but no Coach construction cues"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "small brass-tone base feet visible in photo 2; no turnlock, buckle, dogleash or zipper visible; lucite handles are plastic, not metal",
                    "leather_description": "photo 1-2: black leather body with soft pebbled grain and gathered top, sheen suggests thin coated leather, not thick glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - edge seams only, no clear stitch detail in provided resolution",
                    "strap_construction": "rigid tortoiseshell-pattern lucite double top handles attached at frame in photo 1; no detachable shoulder strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-2: leather handbag with 9.5 inch scale consistent with handbag category"
                ],
                "possible_model_reasoning": [
                    "No Coach model matches lucite-handle gathered frame purse; vintage Coach 1970s-1990s used brass turnlocks, leather straps\/handles, unlined glove-tanned leather - none seen here",
                    "Era reasoning: seller describes 90s\/Y2K aesthetic but construction with lucite handles and no Coach identifiers points to generic non-Coach fashion bag, hence modern (2000s+), non-Coach",
                    "Condition: Good per seller; photos show intact leather with light creasing, no interior or corners fully shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.4
            }
        }
    ],
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            "model_name": "meta:muse-spark-1.3-contributor",
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}