Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.12,
    "vintage_probability": 0.56,
    "authenticity_confidence": 0.095,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.12,
    "confidence": 0.72,
    "recommended_max_bid": 9,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Small leather crossbody handbag with a gathered, softly constructed body and vintage-style metal frame closure.",
        "photo 2: Leather appears soft and substantial, with gathered construction that could be consistent with some early frame-bag designs.",
        "photo 5: Crossbody strap and compact proportions are compatible with a vintage handbag rather than a wallet or pouch.",
        "photo 1: soft full-grain-like leather pouch with patina and wrinkling",
        "photo 4: bottom shows gathered construction with no obvious synthetic sheen"
    ],
    "negative_evidence": [
        "photo 1: No legible COACH wordmark, horse-and-carriage mark, or other visible Coach branding.",
        "photo 5: Interior shows a fabric lining but no visible Coach creed patch, label, or serial number.",
        "photo 1: The frame closure and spherical clasp are not a recognizable Coach turnlock and do not establish Coach manufacture.",
        "photo 2: Hardware appears mixed or reflective in tone, but the image does not clearly establish period-appropriate solid brass construction.",
        "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 5: fabric lining in dusty pink\/mauve tone - vintage Coach classics of this size would be unlined suede-back glove-tanned",
        "photo 2-3,5: silver\/nickel-tone kisslock frame - vintage Coach classics use solid brass hardware",
        "photo 1-4: thin cord-like crossbody strap with no brass buckle, dogleash or slide - inconsistent with Coach strap construction",
        "photo 1-4: small gathered kisslock pouch silhouette 6x7x2.5 in does not match cataloged vintage Coach crossbody styles"
    ],
    "missing_information": [
        "photo 5: A straight-on, close-up photograph of every interior wall and pocket is needed to check for a removed or obscured creed, label, or fabric tag.",
        "A close-up of the frame hardware, clasp, strap attachments, and any remaining interior or exterior brand stamp is needed.",
        "Seller-stated claim that the name is no longer visible should be verified by examining seams and label-removal marks.",
        "The listing does not provide clear bottom, corner, strap-length, or hardware-detail views.",
        "photo of any interior leather creed patch or brand stamp in raking light - none shown",
        "photo of hardware brand stamps on kisslock frame",
        "photo of strap ends and attachment detail",
        "clearer view of lining material and any fabric content tag"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, so the bag could be a generic vintage frame purse or another maker's design.",
        "photo 5: Fabric lining and a kisslock-style frame are not sufficient to attribute the bag to Coach; many non-Coach vintage handbags used this construction.",
        "The seller's statement that a name is no longer visible is unverified seller text, not evidence of prior Coach branding."
    ],
    "possible_model_reasoning": [
        "The gathered leather body and framed closure could loosely resemble an early vintage frame or kisslock purse, including the broad category of Bonnie Cashin-era designs, but no Coach-specific identifier or catalog-defining feature is visible.",
        "The visible fabric lining and generic spherical frame clasp do not provide a reliable match to a listed Coach model such as Dinky, Court, Willis, or Stewardess.",
        "Condition: Good; visible creasing and discoloration\/soiling on the pale leather and worn-looking lining (photos 1 and 5); strap appears present, but its full condition is not shown.",
        "No Coach model fits: size 6x7x2.5 in seller-stated, kisslock frame, fabric lining, thin strap and nickel hardware are inconsistent with City Bag (9790), Dinky (9375), Pocket Purse (9755) or Compact Pouch (9620) which are turnlock flap, unlined, brass hardware",
        "No creed, serial, wordmark or hangtag to decode for era or style",
        "Condition: Very Good to Good; leather soft with wrinkles and light soiling but no tears or corner wear-through visible in photo 1,4; interior lining appears intact in photo 5 but only one interior view shown so lining condition and odor unknown"
    ],
    "estimated_era": "pre-1975 (Cashin \/ pre-creed)",
    "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 5: Metal frame with a central spherical clasp and small side fittings; exact metal and maker markings are not visible.",
        "leather_description": "photo 1: Soft pale or off-white leather with gathered, ruched panels and visible creasing; surface shows age-related handling marks or unevenness.",
        "lining_description": "photo 5: Pinkish fabric lining is visible; it appears worn or marked, with no readable brand label.",
        "strap_construction": "photo 1 and photo 2: Thin matching light-colored leather cord-style crossbody strap attached near the upper sides; attachment construction is only partly visible.",
        "stitching_description": "photo 1 and photo 5: Gathered seams and perimeter stitching are visible, but stitch quality and stress-point construction cannot be evaluated in detail."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0064,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.18,
                "vintage_probability": 0.72,
                "authenticity_confidence": 0.14,
                "image_quality_score": 0.83,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "pre-1975 (Cashin \/ pre-creed)",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Small leather crossbody handbag with a gathered, softly constructed body and vintage-style metal frame closure.",
                    "photo 2: Leather appears soft and substantial, with gathered construction that could be consistent with some early frame-bag designs.",
                    "photo 5: Crossbody strap and compact proportions are compatible with a vintage handbag rather than a wallet or pouch."
                ],
                "negative_evidence": [
                    "photo 1: No legible COACH wordmark, horse-and-carriage mark, or other visible Coach branding.",
                    "photo 5: Interior shows a fabric lining but no visible Coach creed patch, label, or serial number.",
                    "photo 1: The frame closure and spherical clasp are not a recognizable Coach turnlock and do not establish Coach manufacture.",
                    "photo 2: Hardware appears mixed or reflective in tone, but the image does not clearly establish period-appropriate solid brass construction."
                ],
                "missing_information": [
                    "photo 5: A straight-on, close-up photograph of every interior wall and pocket is needed to check for a removed or obscured creed, label, or fabric tag.",
                    "A close-up of the frame hardware, clasp, strap attachments, and any remaining interior or exterior brand stamp is needed.",
                    "Seller-stated claim that the name is no longer visible should be verified by examining seams and label-removal marks.",
                    "The listing does not provide clear bottom, corner, strap-length, or hardware-detail views."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, so the bag could be a generic vintage frame purse or another maker's design.",
                    "photo 5: Fabric lining and a kisslock-style frame are not sufficient to attribute the bag to Coach; many non-Coach vintage handbags used this construction.",
                    "The seller's statement that a name is no longer visible is unverified seller text, not evidence of prior Coach branding."
                ],
                "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 5: Metal frame with a central spherical clasp and small side fittings; exact metal and maker markings are not visible.",
                    "leather_description": "photo 1: Soft pale or off-white leather with gathered, ruched panels and visible creasing; surface shows age-related handling marks or unevenness.",
                    "lining_description": "photo 5: Pinkish fabric lining is visible; it appears worn or marked, with no readable brand label.",
                    "strap_construction": "photo 1 and photo 2: Thin matching light-colored leather cord-style crossbody strap attached near the upper sides; attachment construction is only partly visible.",
                    "stitching_description": "photo 1 and photo 5: Gathered seams and perimeter stitching are visible, but stitch quality and stress-point construction cannot be evaluated in detail."
                },
                "possible_model_reasoning": [
                    "The gathered leather body and framed closure could loosely resemble an early vintage frame or kisslock purse, including the broad category of Bonnie Cashin-era designs, but no Coach-specific identifier or catalog-defining feature is visible.",
                    "The visible fabric lining and generic spherical frame clasp do not provide a reliable match to a listed Coach model such as Dinky, Court, Willis, or Stewardess.",
                    "Condition: Good; visible creasing and discoloration\/soiling on the pale leather and worn-looking lining (photos 1 and 5); strap appears present, but its full condition is not shown."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 8,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.06,
                "confidence": 0.68,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of any interior leather creed patch or brand stamp in raking light - none shown",
                    "photo of hardware brand stamps on kisslock frame",
                    "photo of strap ends and attachment detail",
                    "clearer view of lining material and any fabric content tag"
                ],
                "negative_evidence": [
                    "photo 1-5: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 5: fabric lining in dusty pink\/mauve tone - vintage Coach classics of this size would be unlined suede-back glove-tanned",
                    "photo 2-3,5: silver\/nickel-tone kisslock frame - vintage Coach classics use solid brass hardware",
                    "photo 1-4: thin cord-like crossbody strap with no brass buckle, dogleash or slide - inconsistent with Coach strap construction",
                    "photo 1-4: small gathered kisslock pouch silhouette 6x7x2.5 in does not match cataloged vintage Coach crossbody styles"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone kisslock \/ clasp frame with ball ends visible in photo 2,3,5; no COACH engraving visible",
                    "leather_description": "off-white \/ bone soft leather with wrinkles and slouch, visible in photo 1-4",
                    "lining_description": "dusty pink \/ mauve fabric lining visible in photo 5 interior view",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "small even stitching along top edge near frame in photo 1; no contrasting thread observed",
                    "strap_construction": "very thin same-color cord-like crossbody strap, attachment at frame ends in photo 2-3",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: soft full-grain-like leather pouch with patina and wrinkling",
                    "photo 4: bottom shows gathered construction with no obvious synthetic sheen"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: size 6x7x2.5 in seller-stated, kisslock frame, fabric lining, thin strap and nickel hardware are inconsistent with City Bag (9790), Dinky (9375), Pocket Purse (9755) or Compact Pouch (9620) which are turnlock flap, unlined, brass hardware",
                    "No creed, serial, wordmark or hangtag to decode for era or style",
                    "Condition: Very Good to Good; leather soft with wrinkles and light soiling but no tears or corner wear-through visible in photo 1,4; interior lining appears intact in photo 5 but only one interior view shown so lining condition and odor unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.06,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17296,
            "output_tokens": 1079,
            "total_tokens": 18375,
            "estimated_cost_usd": 0.009508
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17622,
            "output_tokens": 1362,
            "total_tokens": 18984,
            "estimated_cost_usd": 0.004614
        }
    ]
}