Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.05,
    "vintage_probability": 0.625,
    "authenticity_confidence": 0.055,
    "image_quality_score": 0.69,
    "seller_misidentification_probability": 0.425,
    "confidence": 0.805,
    "recommended_max_bid": 15,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 45,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured leather handbag with a top handle and flap closure.",
        "photo 2: the bag has a substantial leather appearance and a vintage-inspired structured silhouette.",
        "photo 1-6: leather handbag with top handle, the population where misidentified Coach could hide",
        "photo 5: plain back panel without exterior pocket, consistent with older structured bags but not diagnostic"
    ],
    "negative_evidence": [
        "photo 1: rectangular clasp hardware is visible, but it is not a recognizable Coach turnlock.",
        "photo 3: hardware appears bright and plated rather than the understated solid-brass geometry typical of classic vintage Coach.",
        "photo 4: the pebbled, finished exterior and sharply structured construction do not strongly resemble unlined glove-tanned Coach classics.",
        "photo 5: no Coach wordmark, horse-and-carriage, or leather hangtag is visible.",
        "photo 6: no Coach identifier is visible on the exterior or base.",
        "photo 1-6: no creed patch, COACH wordmark, hangtag, or carriage logo visible",
        "photo 1,4,6: envelope flap with rectangular gold-tone button lock, not Coach turnlock with oval back plate and slim tab",
        "photo 1-6: rigid structured satchel silhouette with wrapped top handle does not match any vintage Coach catalog style",
        "seller states Made in Canada expressly for B---, inconsistent with Coach country lines (NYC, USA, Costa Rica, Italy, Turkey, China)",
        "photo 2-3: gold-tone plated handle hardware with patina, not solid brass vintage Coach hardware"
    ],
    "missing_information": [
        "photo 1-6: no interior photograph showing the alleged suede lining, pockets, brand label, creed patch, or country-of-origin stamp.",
        "photo 1-6: no close-up of the clasp, zipper hardware, handle attachment, or any interior brand markings.",
        "photo 1-6: seller's claimed 'Made in Canada expressly for B---' marking is not visible in the supplied photos.",
        "interior photos showing lining, pockets and any maker stamp or creed-like patch not shown",
        "close-up of 'Made in Canada' mark and hardware brand stamps not shown",
        "bottom corners and closure function detail limited"
    ],
    "authenticity_concerns": [
        "The visible clasp and overall construction are generic and do not provide Coach-specific evidence.",
        "The bag appears more consistent with a non-Coach vintage or vintage-style structured handbag than with a cataloged Coach classic.",
        "photo 1-6: no COACH wordmark, creed patch, or horse-and-carriage visible",
        "seller states 'Made in Canada expressly for B---' - Canada was never a Coach manufacturing country for this style",
        "photo 1,4,6: rectangular button\/press lock closure, not Coach turnlock geometry"
    ],
    "possible_model_reasoning": [
        "The structured top-handle satchel silhouette does not closely match the listed classic Coach models, and no Coach identifier is visible.",
        "The seller's claimed suede lining and Canadian marking cannot be evaluated because the interior is not photographed.",
        "Condition: Good to Very Good based on visible exterior marks and handle lifting in photo 3; interior, odor, and hidden structural condition are unknown.",
        "No Coach model fits: envelope top-handle satchel with button lock and Made in Canada origin has no counterpart in 1970s-1990s Coach catalog (City Bag, Willis, Court, Station, Stewardess all use turnlock and US\/Costa Rica\/Italy origin)",
        "Era cannot be assigned to Coach era table with no Coach identifiers; vintage non-Coach appearance only",
        "Condition: Very Good to Good; handle wrap lifting (photo 3), corner\/edge marks (photo 3-4), hardware patina, interior 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 1, photo 3, photo 4: bright gold-tone rectangular clasp and small gold-tone handle fittings; no recognizable Coach turnlock or engraved Coach hardware visible.",
        "leather_description": "photo 2, photo 3, photo 4: black pebbled leather or leather-like exterior with a smooth finished edge treatment; minor exterior marks are visible.",
        "lining_description": "not_visible - interior not shown; seller states suede lined with slip and zip pockets",
        "strap_construction": "photo 1, photo 2, photo 3, photo 5: single rounded wrapped top handle attached at the upper corners; slight lifting or wear is visible on the handle in photo 3.",
        "stitching_description": "photo 3, photo 4: visible perimeter stitching appears generally even, but close stress-point and interior stitching details are not shown."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0248,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.08,
                "vintage_probability": 0.55,
                "authenticity_confidence": 0.08,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a structured leather handbag with a top handle and flap closure.",
                    "photo 2: the bag has a substantial leather appearance and a vintage-inspired structured silhouette."
                ],
                "negative_evidence": [
                    "photo 1: rectangular clasp hardware is visible, but it is not a recognizable Coach turnlock.",
                    "photo 3: hardware appears bright and plated rather than the understated solid-brass geometry typical of classic vintage Coach.",
                    "photo 4: the pebbled, finished exterior and sharply structured construction do not strongly resemble unlined glove-tanned Coach classics.",
                    "photo 5: no Coach wordmark, horse-and-carriage, or leather hangtag is visible.",
                    "photo 6: no Coach identifier is visible on the exterior or base."
                ],
                "missing_information": [
                    "photo 1-6: no interior photograph showing the alleged suede lining, pockets, brand label, creed patch, or country-of-origin stamp.",
                    "photo 1-6: no close-up of the clasp, zipper hardware, handle attachment, or any interior brand markings.",
                    "photo 1-6: seller's claimed 'Made in Canada expressly for B---' marking is not visible in the supplied photos."
                ],
                "authenticity_concerns": [
                    "The visible clasp and overall construction are generic and do not provide Coach-specific evidence.",
                    "The bag appears more consistent with a non-Coach vintage or vintage-style structured handbag than with a cataloged Coach classic."
                ],
                "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, photo 3, photo 4: bright gold-tone rectangular clasp and small gold-tone handle fittings; no recognizable Coach turnlock or engraved Coach hardware visible.",
                    "leather_description": "photo 2, photo 3, photo 4: black pebbled leather or leather-like exterior with a smooth finished edge treatment; minor exterior marks are visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1, photo 2, photo 3, photo 5: single rounded wrapped top handle attached at the upper corners; slight lifting or wear is visible on the handle in photo 3.",
                    "stitching_description": "photo 3, photo 4: visible perimeter stitching appears generally even, but close stress-point and interior stitching details are not shown."
                },
                "possible_model_reasoning": [
                    "The structured top-handle satchel silhouette does not closely match the listed classic Coach models, and no Coach identifier is visible.",
                    "The seller's claimed suede lining and Canadian marking cannot be evaluated because the interior is not photographed.",
                    "Condition: Good to Very Good based on visible exterior marks and handle lifting in photo 3; interior, odor, and hidden structural condition are unknown."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: no COACH wordmark, creed patch, or horse-and-carriage visible",
                    "seller states 'Made in Canada expressly for B---' - Canada was never a Coach manufacturing country for this style",
                    "photo 1,4,6: rectangular button\/press lock closure, not Coach turnlock geometry"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "unknown",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior photos showing lining, pockets and any maker stamp or creed-like patch not shown",
                    "close-up of 'Made in Canada' mark and hardware brand stamps not shown",
                    "bottom corners and closure function detail limited"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, hangtag, or carriage logo visible",
                    "photo 1,4,6: envelope flap with rectangular gold-tone button lock, not Coach turnlock with oval back plate and slim tab",
                    "photo 1-6: rigid structured satchel silhouette with wrapped top handle does not match any vintage Coach catalog style",
                    "seller states Made in Canada expressly for B---, inconsistent with Coach country lines (NYC, USA, Costa Rica, Italy, Turkey, China)",
                    "photo 2-3: gold-tone plated handle hardware with patina, not solid brass vintage Coach hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone rectangular press\/button lock on flap front, gold-tone handle anchors; patina\/tarnish visible; not Coach turnlock geometry",
                    "leather_description": "black pebbled\/textured leather, structured; surface marks and edge wear visible in photo 3-4",
                    "lining_description": "not_visible - interior not shown; seller states suede lined with slip and zip pockets",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible in detail; edges appear straight with edge finish, no close-up of stitching",
                    "strap_construction": "single rigid wrapped top handle, fixed with metal anchors, 5 inch drop per seller; slight lifting on wrap in photo 3",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: leather handbag with top handle, the population where misidentified Coach could hide",
                    "photo 5: plain back panel without exterior pocket, consistent with older structured bags but not diagnostic"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: envelope top-handle satchel with button lock and Made in Canada origin has no counterpart in 1970s-1990s Coach catalog (City Bag, Willis, Court, Station, Stewardess all use turnlock and US\/Costa Rica\/Italy origin)",
                    "Era cannot be assigned to Coach era table with no Coach identifiers; vintage non-Coach appearance only",
                    "Condition: Very Good to Good; handle wrap lifting (photo 3), corner\/edge marks (photo 3-4), hardware patina, interior unknown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.7
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17806,
            "output_tokens": 860,
            "total_tokens": 18666,
            "estimated_cost_usd": 0.009186
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18140,
            "output_tokens": 1491,
            "total_tokens": 19631,
            "estimated_cost_usd": 0.004821
        }
    ]
}