Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.125,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.755,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.875,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured handbag with top handles, zip-top construction, and a dome\/satchel silhouette.",
        "photo 5: a centered decorative crest emblem is visible, but it is not a legible Coach wordmark or horse-and-carriage mark."
    ],
    "negative_evidence": [
        "photo 1: the front emblem is a heraldic crest rather than a Coach wordmark or horse-and-carriage.",
        "photos 1 and 2: the colorblock construction, glossy smooth surface, and decorative crest do not match the typical unlined glove-tanned leather construction of classic vintage Coach bags.",
        "photo 4: the interior is fabric-lined and includes a small black fabric label, but no sewn leather Coach creed patch is visible.",
        "photo 5: the crest appears to be a non-Coach decorative logo; no Coach branding is legible.",
        "photos 1, 2, and 7: the bag has no visible Coach hangtag, turnlock, or other recognizable Coach identifier.",
        "photo 1,2,3,6: zip-top dome satchel silhouette with colorblock base does not match any vintage Coach catalog style",
        "photo 1,5: large round crest\/shield medallion on front is not Coach horse-and-carriage and Coach never used equestrian medallion clasp",
        "photo 4: black woven fabric lining with side zip pocket - vintage Coach classics are unlined suede, not fabric-lined",
        "photo 1-3: glossy smooth yellow\/brown material with sheen and surface cracking inconsistent with glove-tanned cowhide",
        "photo 1-6: no creed patch, no COACH wordmark, no leather hangtag, no solid-brass turnlock visible"
    ],
    "missing_information": [
        "A straight-on close-up of the interior black fabric label to identify its brand and text.",
        "A clear photograph of the entire interior, including all pockets and seams, to confirm that no creed or style tag is present.",
        "Close-ups of zipper pulls and hardware markings.",
        "Seller-stated dimensions, material composition, and country of manufacture.",
        "photo 4: interior brand and content tags illegible - need straight-on legible photo of black tags",
        "photo 4: no creed patch shown - confirm no stamped leather creed patch on back wall or slip pocket",
        "photo 5-6: hardware brand stamps on zipper pull, rings and crest medallion reverse not shown"
    ],
    "authenticity_concerns": [
        "The visible crest emblem and fabric-lined, glossy colorblock construction are inconsistent with a classic vintage Coach handbag.",
        "No Coach identifier is visible in the provided photos; the decorative crest may indicate another brand or an unbranded fashion bag.",
        "The seller's unbranded designation is not evidence of Coach manufacture."
    ],
    "possible_model_reasoning": [
        "The dome satchel silhouette is not enough to identify a Coach model, and no Coach catalog style can be assigned without a creed, wordmark, or style tag.",
        "The crest hardware and glossy, fabric-lined colorblock construction point more toward a non-Coach fashion handbag than a vintage Coach classic.",
        "Condition: Good; visible surface creasing, scratches, edge wear, and finish cracking are present in photos 1, 2, 3, 6, and 7; interior has visible wear and discoloration in photo 4.",
        "No Coach hard identifiers visible in any photo: no creed, no wordmark, no hangtag, no turnlock",
        "Silhouette, fabric lining, crest medallion and glossy material are inconsistent with 1970s-1990s Coach construction",
        "Condition: Good; light scuffs and surface cracking on yellow panels (photo 6), bottom intact (photo 3), interior shows use\/discoloration (photo 4)"
    ],
    "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, 5, and 7: brown-toned zipper and small ring hardware are visible; the centered hardware is a decorative heraldic crest, not recognizable Coach hardware.",
        "leather_description": "photos 1, 2, and 7: smooth, glossy yellow and dark-brown material with colorblocking; it appears coated or finished rather than visibly natural glove-tanned leather.",
        "lining_description": "photo 4: dark fabric lining with a zippered interior pocket and a small black fabric label; label text is not legible.",
        "strap_construction": "photos 1, 2, and 7: two padded brown top handles attached with stitched leather tabs and small rings; no detachable shoulder strap is visible.",
        "stitching_description": "photos 1, 2, and 7: generally visible machine stitching follows the perimeter and handle tabs; some edge stitching appears uneven or irregular in close-up."
    },
    "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": 0.05,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a structured handbag with top handles, zip-top construction, and a dome\/satchel silhouette.",
                    "photo 5: a centered decorative crest emblem is visible, but it is not a legible Coach wordmark or horse-and-carriage mark."
                ],
                "negative_evidence": [
                    "photo 1: the front emblem is a heraldic crest rather than a Coach wordmark or horse-and-carriage.",
                    "photos 1 and 2: the colorblock construction, glossy smooth surface, and decorative crest do not match the typical unlined glove-tanned leather construction of classic vintage Coach bags.",
                    "photo 4: the interior is fabric-lined and includes a small black fabric label, but no sewn leather Coach creed patch is visible.",
                    "photo 5: the crest appears to be a non-Coach decorative logo; no Coach branding is legible.",
                    "photos 1, 2, and 7: the bag has no visible Coach hangtag, turnlock, or other recognizable Coach identifier."
                ],
                "missing_information": [
                    "A straight-on close-up of the interior black fabric label to identify its brand and text.",
                    "A clear photograph of the entire interior, including all pockets and seams, to confirm that no creed or style tag is present.",
                    "Close-ups of zipper pulls and hardware markings.",
                    "Seller-stated dimensions, material composition, and country of manufacture."
                ],
                "authenticity_concerns": [
                    "The visible crest emblem and fabric-lined, glossy colorblock construction are inconsistent with a classic vintage Coach handbag.",
                    "No Coach identifier is visible in the provided photos; the decorative crest may indicate another brand or an unbranded fashion bag.",
                    "The seller's unbranded designation is not evidence of 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, 5, and 7: brown-toned zipper and small ring hardware are visible; the centered hardware is a decorative heraldic crest, not recognizable Coach hardware.",
                    "leather_description": "photos 1, 2, and 7: smooth, glossy yellow and dark-brown material with colorblocking; it appears coated or finished rather than visibly natural glove-tanned leather.",
                    "lining_description": "photo 4: dark fabric lining with a zippered interior pocket and a small black fabric label; label text is not legible.",
                    "strap_construction": "photos 1, 2, and 7: two padded brown top handles attached with stitched leather tabs and small rings; no detachable shoulder strap is visible.",
                    "stitching_description": "photos 1, 2, and 7: generally visible machine stitching follows the perimeter and handle tabs; some edge stitching appears uneven or irregular in close-up."
                },
                "possible_model_reasoning": [
                    "The dome satchel silhouette is not enough to identify a Coach model, and no Coach catalog style can be assigned without a creed, wordmark, or style tag.",
                    "The crest hardware and glossy, fabric-lined colorblock construction point more toward a non-Coach fashion handbag than a vintage Coach classic.",
                    "Condition: Good; visible surface creasing, scratches, edge wear, and finish cracking are present in photos 1, 2, 3, 6, and 7; interior has visible wear and discoloration in photo 4."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 10,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 4: interior brand and content tags illegible - need straight-on legible photo of black tags",
                    "photo 4: no creed patch shown - confirm no stamped leather creed patch on back wall or slip pocket",
                    "photo 5-6: hardware brand stamps on zipper pull, rings and crest medallion reverse not shown"
                ],
                "negative_evidence": [
                    "photo 1,2,3,6: zip-top dome satchel silhouette with colorblock base does not match any vintage Coach catalog style",
                    "photo 1,5: large round crest\/shield medallion on front is not Coach horse-and-carriage and Coach never used equestrian medallion clasp",
                    "photo 4: black woven fabric lining with side zip pocket - vintage Coach classics are unlined suede, not fabric-lined",
                    "photo 1-3: glossy smooth yellow\/brown material with sheen and surface cracking inconsistent with glove-tanned cowhide",
                    "photo 1-6: no creed patch, no COACH wordmark, no leather hangtag, no solid-brass turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone top zipper and handle attachment rings; round brass-tone crest medallion with crown\/shield motif on front (photo 1,5); no turnlock; zipper brand not visible",
                    "leather_description": "yellow body with dark brown trim and handles; smooth glossy coated appearance with light creasing and scuffs (photo 6); not matte glove-tanned grain",
                    "lining_description": "black woven fabric lining with interior zip pocket (photo 4); not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tone-matched perimeter stitching, visible around edges and handle tabs (photo 6); no detailed stitch assessment possible",
                    "strap_construction": "dual rolled top handles in brown, rivet-fixed with metal D-rings to brown teardrop tabs (photo 1,2)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach hard identifiers visible in any photo: no creed, no wordmark, no hangtag, no turnlock",
                    "Silhouette, fabric lining, crest medallion and glossy material are inconsistent with 1970s-1990s Coach construction",
                    "Condition: Good; light scuffs and surface cracking on yellow panels (photo 6), bottom intact (photo 3), interior shows use\/discoloration (photo 4)"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.2
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28411,
            "output_tokens": 900,
            "total_tokens": 29311,
            "estimated_cost_usd": 0.013524
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 29569,
            "output_tokens": 1310,
            "total_tokens": 30879,
            "estimated_cost_usd": 0.006962
        }
    ]
}