Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.045,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.585,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.74,
    "recommended_max_bid": 8.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: all-over interlocking C-like coated canvas evokes Coach Signature C canvas at a glance",
        "photo 1: horse-and-carriage motif on front medallion evokes Coach branding"
    ],
    "negative_evidence": [
        "photo 1: the bag is a small structured handbag, but no legible Coach wordmark, creed, serial, or hangtag is visible.",
        "photo 1: the prominent carriage ornament is an oversized decorative oval medallion clasp, unlike the classic Coach turnlock geometry.",
        "photo 1: the all-over C-like monogram is not clearly the paired, mirror-symmetric Coach Signature C pattern.",
        "photo 1: the bag appears new and boxed, consistent with a modern unbranded or brand-inspired item rather than a vintage Coach listing.",
        "photo 1: new in open cardboard box with foam and tissue-wrapped top handle indicates new mass-produced stock, not vintage glove-tanned Coach",
        "photo 1: no legible COACH wordmark, no creed patch, no leather hangtag visible",
        "photo 1: no solid-brass vintage turnlock with thin oval back plate; closure is large bright gold-tone medallion clasp",
        "photo 1: coated canvas body with black trim and corner rivets, not unlined glove-tanned cowhide with solid brass"
    ],
    "missing_information": [
        "photo 1: interior, creed area, and any fabric label are not shown.",
        "photo 1: back, bottom, side panels, strap, zipper pulls, and clasp details are not shown.",
        "photo 1: request a straight-on close-up of any interior branding or serial\/style tag.",
        "interior views, lining, and any creed patch or fabric tags not shown",
        "creed close-up in raking light and Made-in line not shown",
        "back, sides, bottom, corners and hardware engravings not shown",
        "strap \/ crossbody strap, buckle holes, zipper brand stamps not shown",
        "seller-stated dimensions and materials not provided"
    ],
    "authenticity_concerns": [
        "photo 1: the oversized carriage medallion and generic C-like monogram are brand-evoking cues, not evidence of Coach manufacture.",
        "photo 1: the new-in-box presentation and unbranded listing context are inconsistent with the claimed vintage characterization.",
        "photo 1: new-in-box, foam-wrapped handle sold as Unbranded with all-over C-like print is a known replica signal",
        "photo 1: oversized horse-and-carriage medallion used as front clasp is a lookalike cue, not a Coach cue",
        "photo 1: C-like coated canvas pattern not verified as mirror-symmetric paired Cs continuous across seams; C-like motifs are not brand evidence"
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a small structured top-handle\/crossbody handbag, but it does not match a recognizable vintage Coach model from the visible features.",
        "photo 1: the carriage is used as a large central clasp rather than a standard Coach wordmark, hangtag, or classic turnlock; this supports a generic modern brand-inspired bag.",
        "Condition appears New or near-new from photo 1 because the bag is boxed and handle covering is present, but the interior and all sides are unexamined.",
        "Silhouette is a small top-handle flap satchel with front medallion clasp, not matching a vintage Coach catalog classic like Willis (9927), Court (9870), Station (5130) or Dinky (9375) in closure, proportions or materials",
        "No serial decode possible; no creed visible to date era",
        "Condition appears New in box with wrapping, but as probable non-Coach replica, priced as generic secondhand bag"
    ],
    "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: gold-tone oval carriage medallion clasp with a decorative horse-and-carriage motif; black contrasting trim and gold-tone corner hardware are visible.",
        "leather_description": "photo 1: brown\/taupe textured monogrammed material with black contrasting trim; exact material is not_visible.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: top handle appears wrapped in protective material; a detachable shoulder strap is not visible.",
        "stitching_description": "photo 1: visible black stitching appears generally even along the contrasting trim, though fine construction details are limited by the single photo."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag is a small structured handbag, but no legible Coach wordmark, creed, serial, or hangtag is visible.",
                    "photo 1: the prominent carriage ornament is an oversized decorative oval medallion clasp, unlike the classic Coach turnlock geometry.",
                    "photo 1: the all-over C-like monogram is not clearly the paired, mirror-symmetric Coach Signature C pattern.",
                    "photo 1: the bag appears new and boxed, consistent with a modern unbranded or brand-inspired item rather than a vintage Coach listing."
                ],
                "missing_information": [
                    "photo 1: interior, creed area, and any fabric label are not shown.",
                    "photo 1: back, bottom, side panels, strap, zipper pulls, and clasp details are not shown.",
                    "photo 1: request a straight-on close-up of any interior branding or serial\/style tag."
                ],
                "authenticity_concerns": [
                    "photo 1: the oversized carriage medallion and generic C-like monogram are brand-evoking cues, not evidence of Coach manufacture.",
                    "photo 1: the new-in-box presentation and unbranded listing context are inconsistent with the claimed vintage characterization."
                ],
                "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: gold-tone oval carriage medallion clasp with a decorative horse-and-carriage motif; black contrasting trim and gold-tone corner hardware are visible.",
                    "leather_description": "photo 1: brown\/taupe textured monogrammed material with black contrasting trim; exact material is not_visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: top handle appears wrapped in protective material; a detachable shoulder strap is not visible.",
                    "stitching_description": "photo 1: visible black stitching appears generally even along the contrasting trim, though fine construction details are limited by the single photo."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a small structured top-handle\/crossbody handbag, but it does not match a recognizable vintage Coach model from the visible features.",
                    "photo 1: the carriage is used as a large central clasp rather than a standard Coach wordmark, hangtag, or classic turnlock; this supports a generic modern brand-inspired bag.",
                    "Condition appears New or near-new from photo 1 because the bag is boxed and handle covering is present, but the interior and all sides are unexamined."
                ],
                "confidence": 0.76,
                "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: new-in-box, foam-wrapped handle sold as Unbranded with all-over C-like print is a known replica signal",
                    "photo 1: oversized horse-and-carriage medallion used as front clasp is a lookalike cue, not a Coach cue",
                    "photo 1: C-like coated canvas pattern not verified as mirror-symmetric paired Cs continuous across seams; C-like motifs are not brand evidence"
                ],
                "authenticity_confidence": 0.06,
                "coach_probability": 0.06,
                "confidence": 0.72,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.96,
                "missing_information": [
                    "interior views, lining, and any creed patch or fabric tags not shown",
                    "creed close-up in raking light and Made-in line not shown",
                    "back, sides, bottom, corners and hardware engravings not shown",
                    "strap \/ crossbody strap, buckle holes, zipper brand stamps not shown",
                    "seller-stated dimensions and materials not provided"
                ],
                "negative_evidence": [
                    "photo 1: new in open cardboard box with foam and tissue-wrapped top handle indicates new mass-produced stock, not vintage glove-tanned Coach",
                    "photo 1: no legible COACH wordmark, no creed patch, no leather hangtag visible",
                    "photo 1: no solid-brass vintage turnlock with thin oval back plate; closure is large bright gold-tone medallion clasp",
                    "photo 1: coated canvas body with black trim and corner rivets, not unlined glove-tanned cowhide with solid brass"
                ],
                "observed_features": {
                    "coach_wordmark_present": true,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone large oval medallion clasp with horse-drawn carriage motif on front strap; corner rivets; top-handle mounts; plated appearance, not solid vintage brass turnlock",
                    "leather_description": "coated canvas with brown\/tan C-like interlocking motif and black smooth trim; not visible glove-tanned grain",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "dark edge stitching visible on flap trim but detail, evenness and thread match not assessable in this distance shot",
                    "strap_construction": "short top handle wrapped in white foam\/tissue, attachments not visible; no crossbody strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: all-over interlocking C-like coated canvas evokes Coach Signature C canvas at a glance",
                    "photo 1: horse-and-carriage motif on front medallion evokes Coach branding"
                ],
                "possible_model_reasoning": [
                    "Silhouette is a small top-handle flap satchel with front medallion clasp, not matching a vintage Coach catalog classic like Willis (9927), Court (9870), Station (5130) or Dinky (9375) in closure, proportions or materials",
                    "No serial decode possible; no creed visible to date era",
                    "Condition appears New in box with wrapping, but as probable non-Coach replica, priced as generic secondhand bag"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.06,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17374,
            "output_tokens": 638,
            "total_tokens": 18012,
            "estimated_cost_usd": 0.008481
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17826,
            "output_tokens": 1525,
            "total_tokens": 19351,
            "estimated_cost_usd": 0.004785
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    ]
}