Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.89,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 35,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a tote handbag with two long shoulder handles and a large open compartment.",
        "photo 5: Interior appears to have a central zippered divider and magnetic side closures."
    ],
    "negative_evidence": [
        "photo 1: Large multicolor fur-like colorblock exterior is not characteristic of vintage Coach glove-tanned leather or Coach signature canvas.",
        "photo 1: Hardware appears silver-tone; vintage Coach classic totes generally use solid brass hardware.",
        "photo 1: No COACH wordmark, horse-and-carriage, or leather Coach hangtag is visible.",
        "photo 3: Construction and colorblocking appear consistent with a fashion-brand tote rather than a cataloged vintage Coach silhouette.",
        "photo 6: Fabric-lined interior and central zip divider are visible, with no apparent Coach creed patch or fabric brand tag.",
        "Listing title: Seller identifies the bag as Sondra Robert's and lists it as unbranded, not Coach; this is weak context only and does not establish manufacture.",
        "photo 1, photo 3: colorblock faux-fur \/ hair-on panels in pink, olive and dark green - not vintage Coach glove-tanned cowhide",
        "photo 1, photo 3, photo 4: no turnlock, no brass hardware, no leather hangtag, no COACH wordmark visible",
        "photo 2, photo 3: silver-tone D-ring handle attachments and magnetic snap closure - not solid-brass vintage Coach construction",
        "photo 5: fabric-lined interior with center zip divider - not unlined suede-back glove-tanned classic construction",
        "photo 1-5: large colorblock tote silhouette with pom-pom charm does not match any vintage Coach catalog style"
    ],
    "missing_information": [
        "photo 6: Close-up photos of every interior wall and pocket seam to confirm whether any brand label, creed, or fabric tag is present.",
        "photo 1: Close-up of any exterior logo, zipper pulls, snaps, and hardware engravings.",
        "photo 2: Full bottom and corner views to assess wear and construction.",
        "Seller-stated dimensions and material composition, including whether the fur-like panels are genuine fur, faux fur, or textile.",
        "No Coach creed patch visible in any photo; interior divider shown in photo 5 with no stamped leather patch",
        "No COACH wordmark, hangtag, or hardware engraving shown; close-up of zipper pull brand not shown",
        "Material \/ care \/ brand tag not shown - request photo of interior tags to confirm Sondra Roberts maker"
    ],
    "authenticity_concerns": [
        "The visible design lacks the identifiers and construction cues expected for Coach and appears to be a non-Coach fashion tote.",
        "The fur-like multicolor panels, silver-tone hardware, and lined divided interior are inconsistent with a typical vintage Coach classic leather bag."
    ],
    "possible_model_reasoning": [
        "The silhouette is a large structured tote, but it does not closely match the listed vintage Coach classic models and no Coach identifier is visible.",
        "photo 6: The lined interior and central zippered divider support a modern fashion tote interpretation rather than an unlined vintage Coach classic.",
        "Condition: Good to Very Good provisionally; exterior appears intact but has visible surface variation and wear-like discoloration, while bottom corners and odor cannot be fully assessed.",
        "No Coach identifiers visible in 5 photos: no creed patch in interior view (photo 5), no wordmark, no turnlock, no hangtag",
        "Materials and construction are modern non-Coach: faux-fur colorblock, faux-leather trim, silver-tone hardware, magnetic closure, fabric lining with zip divider",
        "Title states Sondra Roberts Large Colorblock Tote which is consistent with observed modern tote; no Coach model matches",
        "Condition: Very Good to Excellent; fur appears intact, trim shows light wear, interior looks clean in photo 5, but bottom corners and full interior not fully assessed"
    ],
    "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: Silver-tone rectangular strap rings, buckles, magnetic closure hardware, and round base feet are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Brown leather-like trim and handles are visible, alongside fur-like pink, green, and gray-brown colorblock panels; exact material is not confirmed.",
        "lining_description": "photo 6: Dark fabric-lined interior with a central zippered divider and side compartments; no creed patch is visible in the provided interior view.",
        "strap_construction": "photo 1: Two long fixed shoulder handles with stitched rectangular attachment tabs and metal rectangular rings.",
        "stitching_description": "photo 1: Topstitching appears generally even along the trim and handle tabs; detailed stress-point stitching is not fully visible."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a tote handbag with two long shoulder handles and a large open compartment.",
                    "photo 5: Interior appears to have a central zippered divider and magnetic side closures."
                ],
                "negative_evidence": [
                    "photo 1: Large multicolor fur-like colorblock exterior is not characteristic of vintage Coach glove-tanned leather or Coach signature canvas.",
                    "photo 1: Hardware appears silver-tone; vintage Coach classic totes generally use solid brass hardware.",
                    "photo 1: No COACH wordmark, horse-and-carriage, or leather Coach hangtag is visible.",
                    "photo 3: Construction and colorblocking appear consistent with a fashion-brand tote rather than a cataloged vintage Coach silhouette.",
                    "photo 6: Fabric-lined interior and central zip divider are visible, with no apparent Coach creed patch or fabric brand tag.",
                    "Listing title: Seller identifies the bag as Sondra Robert's and lists it as unbranded, not Coach; this is weak context only and does not establish manufacture."
                ],
                "missing_information": [
                    "photo 6: Close-up photos of every interior wall and pocket seam to confirm whether any brand label, creed, or fabric tag is present.",
                    "photo 1: Close-up of any exterior logo, zipper pulls, snaps, and hardware engravings.",
                    "photo 2: Full bottom and corner views to assess wear and construction.",
                    "Seller-stated dimensions and material composition, including whether the fur-like panels are genuine fur, faux fur, or textile."
                ],
                "authenticity_concerns": [
                    "The visible design lacks the identifiers and construction cues expected for Coach and appears to be a non-Coach fashion tote.",
                    "The fur-like multicolor panels, silver-tone hardware, and lined divided interior are inconsistent with a typical vintage Coach classic leather bag."
                ],
                "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: Silver-tone rectangular strap rings, buckles, magnetic closure hardware, and round base feet are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Brown leather-like trim and handles are visible, alongside fur-like pink, green, and gray-brown colorblock panels; exact material is not confirmed.",
                    "lining_description": "photo 6: Dark fabric-lined interior with a central zippered divider and side compartments; no creed patch is visible in the provided interior view.",
                    "strap_construction": "photo 1: Two long fixed shoulder handles with stitched rectangular attachment tabs and metal rectangular rings.",
                    "stitching_description": "photo 1: Topstitching appears generally even along the trim and handle tabs; detailed stress-point stitching is not fully visible."
                },
                "possible_model_reasoning": [
                    "The silhouette is a large structured tote, but it does not closely match the listed vintage Coach classic models and no Coach identifier is visible.",
                    "photo 6: The lined interior and central zippered divider support a modern fashion tote interpretation rather than an unlined vintage Coach classic.",
                    "Condition: Good to Very Good provisionally; exterior appears intact but has visible surface variation and wear-like discoloration, while bottom corners and odor cannot be fully assessed."
                ],
                "confidence": 0.9,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach creed patch visible in any photo; interior divider shown in photo 5 with no stamped leather patch",
                    "No COACH wordmark, hangtag, or hardware engraving shown; close-up of zipper pull brand not shown",
                    "Material \/ care \/ brand tag not shown - request photo of interior tags to confirm Sondra Roberts maker"
                ],
                "negative_evidence": [
                    "photo 1, photo 3: colorblock faux-fur \/ hair-on panels in pink, olive and dark green - not vintage Coach glove-tanned cowhide",
                    "photo 1, photo 3, photo 4: no turnlock, no brass hardware, no leather hangtag, no COACH wordmark visible",
                    "photo 2, photo 3: silver-tone D-ring handle attachments and magnetic snap closure - not solid-brass vintage Coach construction",
                    "photo 5: fabric-lined interior with center zip divider - not unlined suede-back glove-tanned classic construction",
                    "photo 1-5: large colorblock tote silhouette with pom-pom charm does not match any vintage Coach catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone D-rings at handles, round magnetic snaps at sides\/top, silver-tone base feet on bottom (photo 4), unbranded rectangular zipper pull (photo 5); no solid brass, no turnlock",
                    "leather_description": "smooth brown faux-leather trim and handles with faux-fur \/ long-pile colorblock panels in olive, pink and dark green (photo 1, photo 3, photo 4); not glove-tanned full-grain cowhide",
                    "lining_description": "dark brown fabric lining with center zip-divider compartment (photo 5); not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even machine stitching in matched thread on trim and handle tabs (photo 3); no further detail visible",
                    "strap_construction": "dual fixed shoulder handles attached via D-rings and small leather tabs (photo 1, photo 3); no buckle adjustment, no dogleash clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in 5 photos: no creed patch in interior view (photo 5), no wordmark, no turnlock, no hangtag",
                    "Materials and construction are modern non-Coach: faux-fur colorblock, faux-leather trim, silver-tone hardware, magnetic closure, fabric lining with zip divider",
                    "Title states Sondra Roberts Large Colorblock Tote which is consistent with observed modern tote; no Coach model matches",
                    "Condition: Very Good to Excellent; fur appears intact, trim shows light wear, interior looks clean in photo 5, but bottom corners and full interior not fully assessed"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 30097,
            "output_tokens": 843,
            "total_tokens": 30940,
            "estimated_cost_usd": 0.014062
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 32204,
            "output_tokens": 1256,
            "total_tokens": 33460,
            "estimated_cost_usd": 0.007446
        }
    ]
}