Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.615,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.81,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a handbag with a zip-top opening, two handles, and decorative front panels"
    ],
    "negative_evidence": [
        "photo 1: smooth, glossy-looking black material and pink contrast trim are not characteristic of vintage Coach glove-tanned leather",
        "photo 1: bright silver-tone ring and buckle-like hardware is inconsistent with the solid-brass hardware typical of many vintage Coach classics",
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier",
        "photo 2: plain back panel lacks any visible Coach branding or creed",
        "photo 1: decorative oversized ring hardware and multi-panel styling appear generic rather than a recognizable vintage Coach silhouette",
        "photo 1: black crescent shoulder bag with pink contrast piping and large O-ring handle attachments - silhouette not in Coach catalog",
        "photo 1, photo 2: silver-tone O-ring hardware, no solid brass turnlock, no brass dogleash clips, no bead-chain hangtag",
        "photo 1, photo 2: pebbled faux-like surface sheen with white contrast stitching, not glove-tanned cowhide with tone-on-tone stitching",
        "photo 1, photo 2: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
    ],
    "missing_information": [
        "photo 1 and photo 2: interior, lining, and any sewn-in brand or fabric labels are not shown",
        "photo 1 and photo 2: bottom, corners, zipper pull, and close hardware details are not shown",
        "photo 1 and photo 2: no close-up of any interior patch or tag; ask for a straight-on interior photograph",
        "photo 1-2: interior not shown, lining and creed patch unknown",
        "photo 1-2: no close-up of hardware stamps, zipper brand, or hangtag faces",
        "photo 1-2: no bottom, side, or scale\/dimensions beyond seller-stated 13 by 5 inch"
    ],
    "authenticity_concerns": [
        "photo 1: the glossy material, bright plated-looking hardware, and generic decorative construction are lookalike\/non-Coach cues",
        "photo 1: the bag lacks any visible identifier that would support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "The crescent-like tote silhouette and decorative rings do not closely match the listed classic Coach models, and no Coach identifier is visible.",
        "Condition: apparently Good to Very Good externally based on the clean visible exterior, but the interior, bottom, corners, and odor are unknown.",
        "No Coach model match: crescent \/ half-moon shape with dual O-ring handles and pink trim does not correspond to City Bag, Willis, Court, Station, Dinky or other classic or modern Coach styles",
        "No hard identifiers visible in photo 1-2 to decode era or style; construction (plated O-rings, contrast piping, synthetic-looking grain) points to modern fast-fashion, non-Coach",
        "Condition: appears intact exterior in photos 1-2 but not gradable to tier without interior, bottom, and close-ups; generic used condition assumed"
    ],
    "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: bright silver-tone circular rings and rectangular buckle-like decorative hardware; pink trim is visible. No Coach engraving is legible.",
        "leather_description": "photo 1: smooth black leather-like or synthetic-looking material with a glossy surface; composition cannot be confirmed from the photos.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1 and photo 2: two fixed shoulder handles attached with stitched tabs and circular rings; additional long decorative\/functional straps hang from the front.",
        "stitching_description": "photo 1 and photo 2: visible contrasting light stitching appears generally even, but close stress-point and interior stitching views are unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.004,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a handbag with a zip-top opening, two handles, and decorative front panels"
                ],
                "negative_evidence": [
                    "photo 1: smooth, glossy-looking black material and pink contrast trim are not characteristic of vintage Coach glove-tanned leather",
                    "photo 1: bright silver-tone ring and buckle-like hardware is inconsistent with the solid-brass hardware typical of many vintage Coach classics",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier",
                    "photo 2: plain back panel lacks any visible Coach branding or creed",
                    "photo 1: decorative oversized ring hardware and multi-panel styling appear generic rather than a recognizable vintage Coach silhouette"
                ],
                "missing_information": [
                    "photo 1 and photo 2: interior, lining, and any sewn-in brand or fabric labels are not shown",
                    "photo 1 and photo 2: bottom, corners, zipper pull, and close hardware details are not shown",
                    "photo 1 and photo 2: no close-up of any interior patch or tag; ask for a straight-on interior photograph"
                ],
                "authenticity_concerns": [
                    "photo 1: the glossy material, bright plated-looking hardware, and generic decorative construction are lookalike\/non-Coach cues",
                    "photo 1: the bag lacks any visible identifier that would support Coach manufacture"
                ],
                "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: bright silver-tone circular rings and rectangular buckle-like decorative hardware; pink trim is visible. No Coach engraving is legible.",
                    "leather_description": "photo 1: smooth black leather-like or synthetic-looking material with a glossy surface; composition cannot be confirmed from the photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1 and photo 2: two fixed shoulder handles attached with stitched tabs and circular rings; additional long decorative\/functional straps hang from the front.",
                    "stitching_description": "photo 1 and photo 2: visible contrasting light stitching appears generally even, but close stress-point and interior stitching views are unavailable."
                },
                "possible_model_reasoning": [
                    "The crescent-like tote silhouette and decorative rings do not closely match the listed classic Coach models, and no Coach identifier is visible.",
                    "Condition: apparently Good to Very Good externally based on the clean visible exterior, but the interior, bottom, corners, and odor are unknown."
                ],
                "confidence": 0.82,
                "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": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.8,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1-2: interior not shown, lining and creed patch unknown",
                    "photo 1-2: no close-up of hardware stamps, zipper brand, or hangtag faces",
                    "photo 1-2: no bottom, side, or scale\/dimensions beyond seller-stated 13 by 5 inch"
                ],
                "negative_evidence": [
                    "photo 1: black crescent shoulder bag with pink contrast piping and large O-ring handle attachments - silhouette not in Coach catalog",
                    "photo 1, photo 2: silver-tone O-ring hardware, no solid brass turnlock, no brass dogleash clips, no bead-chain hangtag",
                    "photo 1, photo 2: pebbled faux-like surface sheen with white contrast stitching, not glove-tanned cowhide with tone-on-tone stitching",
                    "photo 1, photo 2: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone large O-rings at handle attachments; no turnlock, no brass hardware visible",
                    "leather_description": "black pebbled-texture material with pink edge piping, synthetic-looking sheen, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "white contrast topstitching around top edge and front pockets visible in photo 1",
                    "strap_construction": "two short black top handles looped through O-rings, stitched tabs; no buckle adjustment or dogleash clips visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model match: crescent \/ half-moon shape with dual O-ring handles and pink trim does not correspond to City Bag, Willis, Court, Station, Dinky or other classic or modern Coach styles",
                    "No hard identifiers visible in photo 1-2 to decode era or style; construction (plated O-rings, contrast piping, synthetic-looking grain) points to modern fast-fashion, non-Coach",
                    "Condition: appears intact exterior in photos 1-2 but not gradable to tier without interior, bottom, and close-ups; generic used condition assumed"
                ],
                "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": 15967,
            "output_tokens": 691,
            "total_tokens": 16658,
            "estimated_cost_usd": 0.008045
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16265,
            "output_tokens": 1113,
            "total_tokens": 17378,
            "estimated_cost_usd": 0.004143
        }
    ]
}