Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.74,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.875,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: front exterior has a beige, black, white, and red plaid textile\/canvas pattern rather than Coach signature construction or unprinted vintage glove-tanned leather",
        "photo 1: small rectangular exterior plaque appears to carry non-Coach branding, but the lettering is not sufficiently legible to identify it",
        "photo 1: bag uses a zip-top tote construction and long handles, with no visible Coach creed, carriage, or recognizable vintage Coach silhouette",
        "photo 2: back panel repeats the plaid pattern and has leather-look trim; no Coach identifiers are visible",
        "photo 1: bright silver-tone plaque and zipper hardware are inconsistent with the solid brass hardware typical of many classic vintage Coach leather bags",
        "photo 1: beige\/black\/red plaid check coated fabric body is not Coach glove-tanned leather and not Coach Signature C canvas",
        "photo 1, photo 2: zip-top tote with tan faux-looking trim and fixed shoulder straps does not match vintage Coach classic silhouettes",
        "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
        "photo 1: silver-tone rectangular bar plate and zipper hardware, not vintage Coach solid brass turnlock construction"
    ],
    "missing_information": [
        "photo 1-2: interior is not shown, so any lining label, creed patch, or fabric tag cannot be assessed",
        "photo 1-2: plaque lettering and zipper-pull markings need a close-up to identify the apparent brand",
        "photo 1-2: bottom, corners, handle attachment points, and material edges are not shown in detail",
        "photo 1-2: interior views including any creed patch, fabric tags or brand labels not shown",
        "photo 1-2: close-up of front metal bar plate text illegible - request legible photo",
        "photo 1-2: bottom, side and corner wear not shown",
        "photo 1-2: zipper pull brand stamp and hardware engravings not shown"
    ],
    "authenticity_concerns": [
        "photo 1: plaid pattern and exterior plaque appear associated with a different fashion brand or a Coach-lookalike item, not Coach",
        "photo 1-2: no visible Coach identifier supports Coach manufacture; the unseen interior could not be used to establish brand"
    ],
    "possible_model_reasoning": [
        "photo 1-2: silhouette is a modern medium zip-top plaid tote, not a close match for the listed vintage Coach catalog models",
        "photo 1: no visible Coach wordmark, creed, serial, carriage, or Coach-specific hardware; likely a non-Coach plaid fashion tote",
        "photo 1-2: condition appears Very Good overall, with minor visible handling\/creasing on the trim and no major damage visible; bottom, interior, odor, and lining remain unassessed",
        "No Coach hard identifiers visible in either photo - no creed, no COACH wordmark, no hangtag, no brass turnlock",
        "Materials and pattern inconsistent with Coach: plaid check fabric + shiny tan trim vs Coach glove-tanned leather or Signature C canvas",
        "Silhouette is generic zip-top plaid tote, not matching City Bag, Court, Station, Willis or other catalog styles",
        "Condition: Good to Very Good for generic bag; surface looks clean in photo 1-2 but bottom, interior and corners not shown so grade capped"
    ],
    "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: visible silver-tone rectangular exterior plaque and silver-tone zip hardware; no turnlock or hangtag visible",
        "leather_description": "photo 1-2: beige plaid textile\/canvas-like body with smooth tan leather-look or leather trim; exact material is not confirmed",
        "lining_description": "not_visible",
        "strap_construction": "photo 1-2: two long fixed shoulder handles with tan trim and visible contrast stitching; small side strap tabs are visible",
        "stitching_description": "photo 1-2: mostly even light contrast stitching is visible along the tan trim and handles; interior and stress-point stitching are not shown"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: front exterior has a beige, black, white, and red plaid textile\/canvas pattern rather than Coach signature construction or unprinted vintage glove-tanned leather",
                    "photo 1: small rectangular exterior plaque appears to carry non-Coach branding, but the lettering is not sufficiently legible to identify it",
                    "photo 1: bag uses a zip-top tote construction and long handles, with no visible Coach creed, carriage, or recognizable vintage Coach silhouette",
                    "photo 2: back panel repeats the plaid pattern and has leather-look trim; no Coach identifiers are visible",
                    "photo 1: bright silver-tone plaque and zipper hardware are inconsistent with the solid brass hardware typical of many classic vintage Coach leather bags"
                ],
                "missing_information": [
                    "photo 1-2: interior is not shown, so any lining label, creed patch, or fabric tag cannot be assessed",
                    "photo 1-2: plaque lettering and zipper-pull markings need a close-up to identify the apparent brand",
                    "photo 1-2: bottom, corners, handle attachment points, and material edges are not shown in detail"
                ],
                "authenticity_concerns": [
                    "photo 1: plaid pattern and exterior plaque appear associated with a different fashion brand or a Coach-lookalike item, not Coach",
                    "photo 1-2: no visible Coach identifier supports Coach manufacture; the unseen interior could not be used to establish brand"
                ],
                "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: visible silver-tone rectangular exterior plaque and silver-tone zip hardware; no turnlock or hangtag visible",
                    "leather_description": "photo 1-2: beige plaid textile\/canvas-like body with smooth tan leather-look or leather trim; exact material is not confirmed",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1-2: two long fixed shoulder handles with tan trim and visible contrast stitching; small side strap tabs are visible",
                    "stitching_description": "photo 1-2: mostly even light contrast stitching is visible along the tan trim and handles; interior and stress-point stitching are not shown"
                },
                "possible_model_reasoning": [
                    "photo 1-2: silhouette is a modern medium zip-top plaid tote, not a close match for the listed vintage Coach catalog models",
                    "photo 1: no visible Coach wordmark, creed, serial, carriage, or Coach-specific hardware; likely a non-Coach plaid fashion tote",
                    "photo 1-2: condition appears Very Good overall, with minor visible handling\/creasing on the trim and no major damage visible; bottom, interior, odor, and lining remain unassessed"
                ],
                "confidence": 0.9,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1-2: interior views including any creed patch, fabric tags or brand labels not shown",
                    "photo 1-2: close-up of front metal bar plate text illegible - request legible photo",
                    "photo 1-2: bottom, side and corner wear not shown",
                    "photo 1-2: zipper pull brand stamp and hardware engravings not shown"
                ],
                "negative_evidence": [
                    "photo 1: beige\/black\/red plaid check coated fabric body is not Coach glove-tanned leather and not Coach Signature C canvas",
                    "photo 1, photo 2: zip-top tote with tan faux-looking trim and fixed shoulder straps does not match vintage Coach classic silhouettes",
                    "photo 1, photo 2: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
                    "photo 1: silver-tone rectangular bar plate and zipper hardware, not vintage Coach solid brass turnlock construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone rectangular bar plaque on front (photo 1: text illegible) and top zipper with tan pull tab; ball-chain with small tag; no brass turnlock",
                    "leather_description": "tan smooth shiny trim and shoulder straps appearing faux \/ coated PU leather, not glove-tanned cowhide; plaid textile body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "light contrast topstitching along trim and straps visible in photo 1 and photo 2; otherwise not_visible in close-up",
                    "strap_construction": "two fixed narrow shoulder straps in tan faux leather, sewn to top trim; no buckle adjustment or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach hard identifiers visible in either photo - no creed, no COACH wordmark, no hangtag, no brass turnlock",
                    "Materials and pattern inconsistent with Coach: plaid check fabric + shiny tan trim vs Coach glove-tanned leather or Signature C canvas",
                    "Silhouette is generic zip-top plaid tote, not matching City Bag, Court, Station, Willis or other catalog styles",
                    "Condition: Good to Very Good for generic bag; surface looks clean in photo 1-2 but bottom, interior and corners not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19647,
            "output_tokens": 741,
            "total_tokens": 20388,
            "estimated_cost_usd": 0.009637
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20271,
            "output_tokens": 1152,
            "total_tokens": 21423,
            "estimated_cost_usd": 0.004976
        }
    ]
}