Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.565,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.8,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag has an all-over snakeskin-patterned exterior rather than Coach signature construction or an identifiable vintage Coach silhouette",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible",
        "photo 1: the rectangular gold-tone handle anchors and black handles do not show the elegant solid-brass turnlock or classic Coach closure hardware",
        "photo 1: the exterior appears to be printed or coated material; natural glove-tanned leather is not evident",
        "listing title: seller identifies the item as unbranded, which is consistent with the absence of visible Coach branding",
        "photo 1: beige\/black snake-print coated\/synthetic-appearing body, not vintage glove-tanned cowhide",
        "photo 1: dome zip-top satchel with black rolled top handles and bright gold-tone rings, not a Coach classic silhouette\/hardware combination",
        "photo 1: no creed patch, COACH wordmark, horse-and-carriage, hangtag, or solid-brass turnlock visible",
        "photo 1: printed animal pattern and sheen inconsistent with 1970s-1990s unlined glove-tanned Coach classics"
    ],
    "missing_information": [
        "Interior view, including any sewn-in brand label or creed patch",
        "Close-up photos of the zipper pulls, hardware, bottom, corners, and material surface",
        "Back, side, and base views",
        "Strap and handle attachment details",
        "photo 1 only front view: no interior, creed, bottom, side, back, or hardware close-up views",
        "interior lining and any interior labels\/tags not shown",
        "hardware brand stamps and zipper pull detail not visible",
        "material confirmation (leather vs synthetic) requires close-up and edge views"
    ],
    "authenticity_concerns": [
        "photo 1: generic animal-print satchel construction and lack of any Coach identifier provide no support for Coach manufacture",
        "photo 1: the printed snakeskin appearance is inconsistent with the unprinted glove-tanned leather typical of classic vintage Coach bags"
    ],
    "possible_model_reasoning": [
        "photo 1: structured zip-top satchel with double top handles, but its animal print and hardware do not match a recognizable vintage Coach model",
        "Condition: unable to grade fully; the front exterior appears generally intact in photo 1, but corners, interior, bottom, and hardware function are not shown",
        "photo 1 dome satchel shape does not match City Bag, Willis, Court, Station, Duffle or other catalog classics in closure, strap, and material",
        "no serial\/creed\/country to decode; construction (printed snake material, bright plated hardware, zip-top dome) points to modern fast-fashion, not Coach",
        "Condition: not graded - only one exterior front view; corners, bottom, interior and handles not assessable"
    ],
    "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: gold-tone rectangular handle anchors and a visible perimeter zipper; no Coach engraving is legible",
        "leather_description": "photo 1: beige-and-black snakeskin-patterned exterior with a smooth, uniform printed\/coated appearance; exact material is not confirmed",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two black rounded top handles attached through rectangular gold-tone fittings; no detachable shoulder strap is visible",
        "stitching_description": "photo 1: perimeter stitching is faintly visible and appears generally even; detailed stress-point stitching is not assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.58,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag has an all-over snakeskin-patterned exterior rather than Coach signature construction or an identifiable vintage Coach silhouette",
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible",
                    "photo 1: the rectangular gold-tone handle anchors and black handles do not show the elegant solid-brass turnlock or classic Coach closure hardware",
                    "photo 1: the exterior appears to be printed or coated material; natural glove-tanned leather is not evident",
                    "listing title: seller identifies the item as unbranded, which is consistent with the absence of visible Coach branding"
                ],
                "missing_information": [
                    "Interior view, including any sewn-in brand label or creed patch",
                    "Close-up photos of the zipper pulls, hardware, bottom, corners, and material surface",
                    "Back, side, and base views",
                    "Strap and handle attachment details"
                ],
                "authenticity_concerns": [
                    "photo 1: generic animal-print satchel construction and lack of any Coach identifier provide no support for Coach manufacture",
                    "photo 1: the printed snakeskin appearance is inconsistent with the unprinted glove-tanned leather typical of classic vintage Coach bags"
                ],
                "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: gold-tone rectangular handle anchors and a visible perimeter zipper; no Coach engraving is legible",
                    "leather_description": "photo 1: beige-and-black snakeskin-patterned exterior with a smooth, uniform printed\/coated appearance; exact material is not confirmed",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two black rounded top handles attached through rectangular gold-tone fittings; no detachable shoulder strap is visible",
                    "stitching_description": "photo 1: perimeter stitching is faintly visible and appears generally even; detailed stress-point stitching is not assessable"
                },
                "possible_model_reasoning": [
                    "photo 1: structured zip-top satchel with double top handles, but its animal print and hardware do not match a recognizable vintage Coach model",
                    "Condition: unable to grade fully; the front exterior appears generally intact in photo 1, but corners, interior, bottom, and hardware function are not shown"
                ],
                "confidence": 0.82,
                "recommended_max_bid": 5,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.78,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only front view: no interior, creed, bottom, side, back, or hardware close-up views",
                    "interior lining and any interior labels\/tags not shown",
                    "hardware brand stamps and zipper pull detail not visible",
                    "material confirmation (leather vs synthetic) requires close-up and edge views"
                ],
                "negative_evidence": [
                    "photo 1: beige\/black snake-print coated\/synthetic-appearing body, not vintage glove-tanned cowhide",
                    "photo 1: dome zip-top satchel with black rolled top handles and bright gold-tone rings, not a Coach classic silhouette\/hardware combination",
                    "photo 1: no creed patch, COACH wordmark, horse-and-carriage, hangtag, or solid-brass turnlock visible",
                    "photo 1: printed animal pattern and sheen inconsistent with 1970s-1990s unlined glove-tanned Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone zipper at top and handle attachment rings visible in photo 1; no turnlock, no engraved branding legible",
                    "leather_description": "photo 1: beige\/black snake animal print coated-appearing material; smooth printed grain, not glove-tanned full-grain leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - edge stitching not legible in photo 1",
                    "strap_construction": "photo 1: double short black top handles attached with gold-tone rectangular rings; detachable shoulder strap not visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 dome satchel shape does not match City Bag, Willis, Court, Station, Duffle or other catalog classics in closure, strap, and material",
                    "no serial\/creed\/country to decode; construction (printed snake material, bright plated hardware, zip-top dome) points to modern fast-fashion, not Coach",
                    "Condition: not graded - only one exterior front view; corners, bottom, interior and handles not assessable"
                ],
                "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": 17744,
            "output_tokens": 722,
            "total_tokens": 18466,
            "estimated_cost_usd": 0.00883
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18292,
            "output_tokens": 1141,
            "total_tokens": 19433,
            "estimated_cost_usd": 0.004571
        }
    ]
}