Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.53,
    "vintage_probability": 0.645,
    "authenticity_confidence": 0.395,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.53,
    "confidence": 0.59,
    "recommended_max_bid": 24,
    "estimated_resale_low": 30,
    "estimated_resale_high": 77.5,
    "possible_models": [
        "Soho Zip Tote (4155)"
    ],
    "positive_evidence": [
        "photo 1: substantial black leather tote with a zip-top opening and two long shoulder straps, consistent with the general construction of some Coach Soho-era bags",
        "photo 3: substantial rounded gold-tone strap buckles and neatly sewn leather strap attachments are compatible with late-1990s\/early-2000s Coach construction",
        "photos 1-6: leather rather than canvas, nylon, or obviously synthetic material is visible",
        "photo 1,2: black leather zip-top tote with center front slip pocket and seamed panel construction matches late-1990s Coach Soho\/Sonoma tote silhouette",
        "photo 3: heavy solid brass rounded buckle with warm patina and no plating loss, typical of 1990s Coach brass hardware",
        "photo 1,4,5: smooth matte-to-satin black leather with soft drape and natural creasing consistent with vintage glove-tanned cowhide",
        "photo 6: piped oval bottom with clean seams and even edge finish, consistent with Coach construction",
        "seller title states Soho Lafayette 90s Classic Zip Top, a Coach-associated model\/era naming cue"
    ],
    "negative_evidence": [
        "photos 1-6: no legible Coach wordmark, horse-and-carriage mark, hangtag, creed, or serial\/style number is visible",
        "photos 1-6: the silhouette and buckle construction are not uniquely Coach and could represent another late-1990s leather tote",
        "photo 1: seller title calls it a Soho Lafayette tote, but seller identification is unverified and the listing brand is Unbranded",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag legibly visible",
        "photo 1-6: interior, lining, creed, zipper brand and Made-in line not shown",
        "photo 3: no turnlock present to assess geometry"
    ],
    "missing_information": [
        "Interior view, especially the back wall and interior pockets where a creed patch may be located",
        "Straight-on close-up of any interior creed, fabric tag, or serial\/style number",
        "Close-up of the zipper pull and all hardware for maker markings",
        "Clear view of the bottom corners, interior condition, and any lining material",
        "Seller-stated dimensions and confirmation of whether the zipper and straps function normally",
        "photo of creed patch straight-on in raking light and interior back wall \/ slip pocket where creed sits",
        "emptied interior views showing lining, zip pocket and zipper-pull brand stamp",
        "hangtag both faces and chain if present",
        "close-ups of hardware stamps and Made-in line",
        "bottom corners close-up, strap fold points and buckle holes, seller-stated dimensions and scale cue"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, so Coach manufacture cannot be distinguished confidently from a lookalike leather tote",
        "The seller's Soho model attribution is not supported by a visible style number or interior label"
    ],
    "possible_model_reasoning": [
        "The zip-top tote silhouette and front slip pocket could fit a Coach Soho Zip Tote (4155), but the style number is not visible and the model match is only tentative.",
        "The seller's '90s' claim is unverified by the photos; without a creed, country line, serial code, or dated label, the era remains unknown.",
        "Condition appears Good to Very Good: substantial creasing and surface wear are visible in photos 1, 2, 4, and 5, while the bottom and seams appear intact; the interior cannot be graded because it is not shown.",
        "Soho Zip Tote (4155) fits best: large black leather zip-top tote, front pocket, dual buckle-detail straps, late-1990s Soho line; proportions and bottom shape consistent in photo 1,4,6",
        "Sonoma or other 1990s leather tote also possible; without interior\/creed\/style number cannot distinguish",
        "No serial decode possible; era inferred from construction and seller title only, so era remains unknown",
        "Condition: Very Good to Good; light surface scuffs photo 2, soft creasing photo 5, brass lightly dulled photo 3, bottom intact photo 6, interior\/lining unknown so capped"
    ],
    "estimated_era": "unknown",
    "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 3: rounded gold-tone buckle hardware at the strap attachments; no brand engraving is visible",
        "leather_description": "photos 1-6: black smooth-to-lightly textured leather with a soft, somewhat glossy finish; visible wrinkles, handling creases, and surface scuffing",
        "lining_description": "not_visible",
        "strap_construction": "photos 1, 3, and 4: two long adjustable-looking leather shoulder straps secured through rounded buckle hardware; strap edges show some fuzzing\/wear",
        "stitching_description": "photos 1-5: generally straight, close double-row stitching around the body panels and strap attachments, with some visible wear along strap edges"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.003,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.46,
                "vintage_probability": 0.64,
                "authenticity_confidence": 0.34,
                "image_quality_score": 0.84,
                "seller_misidentification_probability": 0.46,
                "estimated_era": "unknown",
                "possible_models": [
                    "Soho Zip Tote (4155)"
                ],
                "positive_evidence": [
                    "photo 1: substantial black leather tote with a zip-top opening and two long shoulder straps, consistent with the general construction of some Coach Soho-era bags",
                    "photo 3: substantial rounded gold-tone strap buckles and neatly sewn leather strap attachments are compatible with late-1990s\/early-2000s Coach construction",
                    "photos 1-6: leather rather than canvas, nylon, or obviously synthetic material is visible"
                ],
                "negative_evidence": [
                    "photos 1-6: no legible Coach wordmark, horse-and-carriage mark, hangtag, creed, or serial\/style number is visible",
                    "photos 1-6: the silhouette and buckle construction are not uniquely Coach and could represent another late-1990s leather tote",
                    "photo 1: seller title calls it a Soho Lafayette tote, but seller identification is unverified and the listing brand is Unbranded"
                ],
                "missing_information": [
                    "Interior view, especially the back wall and interior pockets where a creed patch may be located",
                    "Straight-on close-up of any interior creed, fabric tag, or serial\/style number",
                    "Close-up of the zipper pull and all hardware for maker markings",
                    "Clear view of the bottom corners, interior condition, and any lining material",
                    "Seller-stated dimensions and confirmation of whether the zipper and straps function normally"
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, so Coach manufacture cannot be distinguished confidently from a lookalike leather tote",
                    "The seller's Soho model attribution is not supported by a visible style number or interior label"
                ],
                "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 3: rounded gold-tone buckle hardware at the strap attachments; no brand engraving is visible",
                    "leather_description": "photos 1-6: black smooth-to-lightly textured leather with a soft, somewhat glossy finish; visible wrinkles, handling creases, and surface scuffing",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 3, and 4: two long adjustable-looking leather shoulder straps secured through rounded buckle hardware; strap edges show some fuzzing\/wear",
                    "stitching_description": "photos 1-5: generally straight, close double-row stitching around the body panels and strap attachments, with some visible wear along strap edges"
                },
                "possible_model_reasoning": [
                    "The zip-top tote silhouette and front slip pocket could fit a Coach Soho Zip Tote (4155), but the style number is not visible and the model match is only tentative.",
                    "The seller's '90s' claim is unverified by the photos; without a creed, country line, serial code, or dated label, the era remains unknown.",
                    "Condition appears Good to Very Good: substantial creasing and surface wear are visible in photos 1, 2, 4, and 5, while the bottom and seams appear intact; the interior cannot be graded because it is not shown."
                ],
                "confidence": 0.63,
                "recommended_max_bid": 20,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.45,
                "coach_probability": 0.6,
                "confidence": 0.55,
                "estimated_era": "unknown",
                "estimated_resale_high": 95,
                "estimated_resale_low": 40,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of creed patch straight-on in raking light and interior back wall \/ slip pocket where creed sits",
                    "emptied interior views showing lining, zip pocket and zipper-pull brand stamp",
                    "hangtag both faces and chain if present",
                    "close-ups of hardware stamps and Made-in line",
                    "bottom corners close-up, strap fold points and buckle holes, seller-stated dimensions and scale cue"
                ],
                "negative_evidence": [
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag legibly visible",
                    "photo 1-6: interior, lining, creed, zipper brand and Made-in line not shown",
                    "photo 3: no turnlock present to assess geometry"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "solid brass-tone rounded buckle rings at strap attachments with warm dull patina, consistent with vintage solid brass; no engraving legible; photo 3 close-up",
                    "leather_description": "black smooth full-grain leather with soft sheen and natural creasing\/patina, consistent with glove-tanned cowhide; light scuffs and dryness visible photo 2,5",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even straight tone-matched stitching at panel seams and strap tabs, visible photo 2,4,5",
                    "strap_construction": "dual fixed shoulder straps with buckle-adjustable attachment tabs sewn to body, photo 1,3,4",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,2: black leather zip-top tote with center front slip pocket and seamed panel construction matches late-1990s Coach Soho\/Sonoma tote silhouette",
                    "photo 3: heavy solid brass rounded buckle with warm patina and no plating loss, typical of 1990s Coach brass hardware",
                    "photo 1,4,5: smooth matte-to-satin black leather with soft drape and natural creasing consistent with vintage glove-tanned cowhide",
                    "photo 6: piped oval bottom with clean seams and even edge finish, consistent with Coach construction",
                    "seller title states Soho Lafayette 90s Classic Zip Top, a Coach-associated model\/era naming cue"
                ],
                "possible_model_reasoning": [
                    "Soho Zip Tote (4155) fits best: large black leather zip-top tote, front pocket, dual buckle-detail straps, late-1990s Soho line; proportions and bottom shape consistent in photo 1,4,6",
                    "Sonoma or other 1990s leather tote also possible; without interior\/creed\/style number cannot distinguish",
                    "No serial decode possible; era inferred from construction and seller title only, so era remains unknown",
                    "Condition: Very Good to Good; light surface scuffs photo 2, soft creasing photo 5, brass lightly dulled photo 3, bottom intact photo 6, interior\/lining unknown so capped"
                ],
                "possible_models": [
                    "Soho Zip Tote (4155)"
                ],
                "recommended_max_bid": 28,
                "seller_misidentification_probability": 0.6,
                "vintage_probability": 0.65
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 28780,
            "output_tokens": 844,
            "total_tokens": 29624,
            "estimated_cost_usd": 0.013538
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 30095,
            "output_tokens": 1561,
            "total_tokens": 31656,
            "estimated_cost_usd": 0.007268
        }
    ]
}