Vintage Coach Hunter

{
    "is_handbag_probability": 0.25,
    "coach_probability": 0.02,
    "vintage_probability": 0.475,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.88,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "Photo 1: compact zippered pouch with a decorative beaded exterior is visibly a small bag\/accessory.",
        "Photo 2: zipper pull appears to show a C&C\/Coats & Clark-style marking, consistent with the seller's description but not with a Coach identifier.",
        "Photos 1-6: dense hand-applied-looking glass beadwork is visible."
    ],
    "negative_evidence": [
        "Photos 1-6: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or Coach-specific hardware.",
        "Photos 1, 3, and 4: exterior is glass-beaded textile rather than Coach's characteristic leather, coated canvas, or documented Coach beadwork construction.",
        "Photos 3 and 4: plain black fabric lining is visible, with no Coach label or creed.",
        "Photo 2: the zipper pull is not visibly stamped COACH.",
        "photo 1: body is hand-sewn glass seed beads and baguettes in plaid pattern, not glove-tanned leather",
        "photo 2: zipper pull stamped C&C (Coats & Clark) nylon coil, not Talon\/YKK solid brass",
        "photo 3, photo 4: black fabric lining visible, not unlined suede",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1-6: no solid brass hardware, no turnlock, no leather strap",
        "photo 5, photo 6: ~4.5 x 3.5 in zip pouch\/coin purse scale, not a catalog Coach handbag silhouette"
    ],
    "missing_information": [
        "Photo 3: interior is only partially shown; a complete interior view and any sewn-in labels would help identify the maker.",
        "Photos 1-6: no close-up of the reverse side, edge construction, or interior seams\/labels.",
        "Seller-stated age and materials are not independently verifiable from the photos."
    ],
    "authenticity_concerns": [
        "Photos 1-6 provide no Coach identifier and the beaded textile construction is inconsistent with the usual vintage Coach handbag population.",
        "The item appears more consistent with a generic or specialty beaded coin purse than a Coach product.",
        "photo 1-6: entirely glass-beaded non-leather construction is inconsistent with any vintage Coach production",
        "photo 2: C&C nylon coil zipper inconsistent with Coach Talon\/YKK brass zippers of NYC\/US era"
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match: the item is a small rectangular beaded zip pouch, not a recognizable leather Coach handbag silhouette.",
        "The seller's claimed 1970s date is unverified; no Coach-era label, cartouche, or other period Coach identifier is visible.",
        "Condition appears Very Good to Excellent visually: beadwork is largely intact and the zipper is present, although close inspection of all edges and interior is incomplete.",
        "No Coach model fits: beaded coin purse with C&C zipper and fabric lining matches no Classic or Cashin catalog style",
        "Era reasoning: materials and construction are non-Coach costume-beadwork; seller claim of 1970s cannot be verified from photos and does not imply Coach",
        "Condition: Excellent to Very Good for beadwork; beads appear intact and complete in photos 1,5,6, lining clean in photos 3,4"
    ],
    "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 2: zipper closure with a dark zipper pull; no Coach engraving is legible. Photo 1: no turnlock or other Coach-style hardware visible.",
        "leather_description": "no leather visible; exterior is glass seed beads and baguette beads in gold, bronze, copper, gunmetal plaid (photo 1)",
        "lining_description": "Photos 3 and 4: black fabric lining is visible; no brand label is visible.",
        "strap_construction": "Photo 1: no shoulder strap or wrist strap visible.",
        "stitching_description": "Photos 1-6: bead rows and perimeter construction are visible, but underlying stitching is not sufficiently visible to assess."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0027,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.35,
                "coach_probability": 0.02,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "Photo 1: compact zippered pouch with a decorative beaded exterior is visibly a small bag\/accessory.",
                    "Photo 2: zipper pull appears to show a C&C\/Coats & Clark-style marking, consistent with the seller's description but not with a Coach identifier.",
                    "Photos 1-6: dense hand-applied-looking glass beadwork is visible."
                ],
                "negative_evidence": [
                    "Photos 1-6: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or Coach-specific hardware.",
                    "Photos 1, 3, and 4: exterior is glass-beaded textile rather than Coach's characteristic leather, coated canvas, or documented Coach beadwork construction.",
                    "Photos 3 and 4: plain black fabric lining is visible, with no Coach label or creed.",
                    "Photo 2: the zipper pull is not visibly stamped COACH."
                ],
                "missing_information": [
                    "Photo 3: interior is only partially shown; a complete interior view and any sewn-in labels would help identify the maker.",
                    "Photos 1-6: no close-up of the reverse side, edge construction, or interior seams\/labels.",
                    "Seller-stated age and materials are not independently verifiable from the photos."
                ],
                "authenticity_concerns": [
                    "Photos 1-6 provide no Coach identifier and the beaded textile construction is inconsistent with the usual vintage Coach handbag population.",
                    "The item appears more consistent with a generic or specialty beaded coin purse than a Coach product."
                ],
                "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 2: zipper closure with a dark zipper pull; no Coach engraving is legible. Photo 1: no turnlock or other Coach-style hardware visible.",
                    "leather_description": "not_visible",
                    "lining_description": "Photos 3 and 4: black fabric lining is visible; no brand label is visible.",
                    "strap_construction": "Photo 1: no shoulder strap or wrist strap visible.",
                    "stitching_description": "Photos 1-6: bead rows and perimeter construction are visible, but underlying stitching is not sufficiently visible to assess."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match: the item is a small rectangular beaded zip pouch, not a recognizable leather Coach handbag silhouette.",
                    "The seller's claimed 1970s date is unverified; no Coach-era label, cartouche, or other period Coach identifier is visible.",
                    "Condition appears Very Good to Excellent visually: beadwork is largely intact and the zipper is present, although close inspection of all edges and interior is incomplete."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: entirely glass-beaded non-leather construction is inconsistent with any vintage Coach production",
                    "photo 2: C&C nylon coil zipper inconsistent with Coach Talon\/YKK brass zippers of NYC\/US era"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.15,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: body is hand-sewn glass seed beads and baguettes in plaid pattern, not glove-tanned leather",
                    "photo 2: zipper pull stamped C&C (Coats & Clark) nylon coil, not Talon\/YKK solid brass",
                    "photo 3, photo 4: black fabric lining visible, not unlined suede",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1-6: no solid brass hardware, no turnlock, no leather strap",
                    "photo 5, photo 6: ~4.5 x 3.5 in zip pouch\/coin purse scale, not a catalog Coach handbag silhouette"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone nylon coil zipper with C&C stamped pull (photo 2); no brass turnlock, buckles or rivets visible",
                    "leather_description": "no leather visible; exterior is glass seed beads and baguette beads in gold, bronze, copper, gunmetal plaid (photo 1)",
                    "lining_description": "black fabric lining visible inside pouch (photo 3, photo 4)",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible; construction is beadwork, not leather stitching",
                    "strap_construction": "no strap present",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: beaded coin purse with C&C zipper and fabric lining matches no Classic or Cashin catalog style",
                    "Era reasoning: materials and construction are non-Coach costume-beadwork; seller claim of 1970s cannot be verified from photos and does not imply Coach",
                    "Condition: Excellent to Very Good for beadwork; beads appear intact and complete in photos 1,5,6, lining clean in photos 3,4"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.4
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18204,
            "output_tokens": 846,
            "total_tokens": 19050,
            "estimated_cost_usd": 0.009312
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18760,
            "output_tokens": 1475,
            "total_tokens": 20235,
            "estimated_cost_usd": 0.004932
        }
    ]
}