Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.525,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.885,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a shoulder handbag with a zippered top and long strap.",
        "photo 1: the seller's unbranded designation is consistent with the absence of a visible Coach wordmark or other Coach identifier."
    ],
    "negative_evidence": [
        "photo 1: prominent nautical 'HOW TO TIE KNOTS' graphic and 'KNAP' sailor artwork are not Coach branding or a recognizable Coach pattern.",
        "photos 1, 3, and 6: the body appears to be perforated\/coated synthetic or vinyl-like material with printed graphics, rather than vintage Coach glove-tanned leather.",
        "photos 1 and 2: construction is a rectangular graphic novelty bag, not a recognizable classic Coach silhouette.",
        "photos 1 and 2: no Coach wordmark, horse-and-carriage, leather hangtag, or creed is visible.",
        "photo 1: all-over novelty 'HOW TO TIE KNOTS' graphic with cartoon 'CAPN KNAP' - never a Coach motif or layout",
        "photo 1, 2, 3, 6: cream coated vinyl \/ faux-leather body with perforated sides and red plastic piping, not glove-tanned cowhide",
        "photo 1, 2: no turnlock, no solid brass hardware, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
        "photo 3, 5, 6: thin flat stitched strap and piped construction with peeling\/flaking coating inconsistent with Coach construction",
        "no creed patch visible in any exterior view; interior not shown"
    ],
    "missing_information": [
        "photo 1: interior is not shown; request empty interior, lining, zipper, and any sewn-in labels.",
        "photo 1: no close-up of the zipper pull or attachment hardware is provided.",
        "photo 1: bottom and full strap attachment points are not clearly shown.",
        "seller-stated dimensions and material composition are not provided.",
        "photo of interior emptied and lining material",
        "photo of top zip closure and zipper pull brand stamp",
        "photo of bottom and all corners",
        "close-up of any interior patch, fabric label or Made-in mark"
    ],
    "authenticity_concerns": [
        "photos 1, 3, and 6: the apparent synthetic\/perforated construction and novelty printed exterior are inconsistent with the usual vintage Coach leather handbag population.",
        "photos 1 and 2: no Coach identifier is visible, so there is no photo evidence supporting Coach manufacture."
    ],
    "possible_model_reasoning": [
        "No Coach model is a plausible match: the rectangular novelty graphic design, perforated outer material, and nautical instructional print do not correspond to the listed Coach catalog silhouettes.",
        "Condition: Fair\/rehab; photos 3, 5, and 6 show severe edge and strap deterioration, fraying, and material loss. Interior condition and zipper function are unknown.",
        "No Coach catalog silhouette matches: square novelty print tote with knot\/flag graphics and perforated vinyl sides is outside Coach 1960s-2000s model catalog",
        "Materials and construction point away from Coach: coated vinyl, plastic piping, printed graphics vs unlined glove-tanned leather and solid brass",
        "No hard identifiers: no creed, no serial, no wordmark, no hangtag, no brass hardware in 6 photos",
        "Condition: Fair \/ Rehab - photo 3: side seam splitting and fraying; photo 5-6: side panel peeling\/flaking and coating loss; general soiling and strap wear"
    ],
    "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 and 2: no visible turnlock, hangtag, or Coach-marked hardware; a top zipper is visible.",
        "leather_description": "photos 1, 3, 4, and 6: cream-colored perforated and printed material with red edge binding; it appears synthetic or coated rather than clearly leather.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1, 2, 5, and 6: long cream shoulder strap with visible wear, creasing, and apparent edge\/surface deterioration; attachment construction is only partly visible.",
        "stitching_description": "photos 3, 5, and 6: perimeter stitching and red binding are visible; several areas show fraying, separation, or substantial edge wear."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0063,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.35,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.87,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a shoulder handbag with a zippered top and long strap.",
                    "photo 1: the seller's unbranded designation is consistent with the absence of a visible Coach wordmark or other Coach identifier."
                ],
                "negative_evidence": [
                    "photo 1: prominent nautical 'HOW TO TIE KNOTS' graphic and 'KNAP' sailor artwork are not Coach branding or a recognizable Coach pattern.",
                    "photos 1, 3, and 6: the body appears to be perforated\/coated synthetic or vinyl-like material with printed graphics, rather than vintage Coach glove-tanned leather.",
                    "photos 1 and 2: construction is a rectangular graphic novelty bag, not a recognizable classic Coach silhouette.",
                    "photos 1 and 2: no Coach wordmark, horse-and-carriage, leather hangtag, or creed is visible."
                ],
                "missing_information": [
                    "photo 1: interior is not shown; request empty interior, lining, zipper, and any sewn-in labels.",
                    "photo 1: no close-up of the zipper pull or attachment hardware is provided.",
                    "photo 1: bottom and full strap attachment points are not clearly shown.",
                    "seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photos 1, 3, and 6: the apparent synthetic\/perforated construction and novelty printed exterior are inconsistent with the usual vintage Coach leather handbag population.",
                    "photos 1 and 2: no Coach identifier is visible, so there is no photo evidence supporting Coach manufacture."
                ],
                "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 and 2: no visible turnlock, hangtag, or Coach-marked hardware; a top zipper is visible.",
                    "leather_description": "photos 1, 3, 4, and 6: cream-colored perforated and printed material with red edge binding; it appears synthetic or coated rather than clearly leather.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 2, 5, and 6: long cream shoulder strap with visible wear, creasing, and apparent edge\/surface deterioration; attachment construction is only partly visible.",
                    "stitching_description": "photos 3, 5, and 6: perimeter stitching and red binding are visible; several areas show fraying, separation, or substantial edge wear."
                },
                "possible_model_reasoning": [
                    "No Coach model is a plausible match: the rectangular novelty graphic design, perforated outer material, and nautical instructional print do not correspond to the listed Coach catalog silhouettes.",
                    "Condition: Fair\/rehab; photos 3, 5, and 6 show severe edge and strap deterioration, fraying, and material loss. Interior condition and zipper function are unknown."
                ],
                "confidence": 0.92,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "unknown",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of interior emptied and lining material",
                    "photo of top zip closure and zipper pull brand stamp",
                    "photo of bottom and all corners",
                    "close-up of any interior patch, fabric label or Made-in mark"
                ],
                "negative_evidence": [
                    "photo 1: all-over novelty 'HOW TO TIE KNOTS' graphic with cartoon 'CAPN KNAP' - never a Coach motif or layout",
                    "photo 1, 2, 3, 6: cream coated vinyl \/ faux-leather body with perforated sides and red plastic piping, not glove-tanned cowhide",
                    "photo 1, 2: no turnlock, no solid brass hardware, no leather hangtag, no COACH wordmark or horse-and-carriage visible",
                    "photo 3, 5, 6: thin flat stitched strap and piped construction with peeling\/flaking coating inconsistent with Coach construction",
                    "no creed patch visible in any exterior view; interior not shown"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no brass turnlock, buckle, D-rings or zipper pull shown; title states zip detachable but zip not photographed",
                    "leather_description": "photo 1-3,6: cream off-white coated vinyl \/ faux leather with printed blue\/red nautical graphics, perforated side gussets, red piping trim - not glove-tanned leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 5: simple single-needle edge stitching on flat strap; body uses piping rather than Coach saddle stitching",
                    "strap_construction": "photo 2,4,5: thin flat cream shoulder strap, appears detachable, edge-stitched, creased and soiled, no brass dogleash clips or slides visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach catalog silhouette matches: square novelty print tote with knot\/flag graphics and perforated vinyl sides is outside Coach 1960s-2000s model catalog",
                    "Materials and construction point away from Coach: coated vinyl, plastic piping, printed graphics vs unlined glove-tanned leather and solid brass",
                    "No hard identifiers: no creed, no serial, no wordmark, no hangtag, no brass hardware in 6 photos",
                    "Condition: Fair \/ Rehab - photo 3: side seam splitting and fraying; photo 5-6: side panel peeling\/flaking and coating loss; general soiling and strap wear"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28055,
            "output_tokens": 900,
            "total_tokens": 28955,
            "estimated_cost_usd": 0.013382
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29322,
            "output_tokens": 1728,
            "total_tokens": 31050,
            "estimated_cost_usd": 0.007247
        }
    ]
}