Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.61,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.56,
    "seller_misidentification_probability": 0.495,
    "confidence": 0.76,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 42.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather flap shoulder handbag in size and age range where misidentified vintage could hide"
    ],
    "negative_evidence": [
        "photo 1: visible oval emblem appears to be an Etienne Aigner-style logo rather than a Coach wordmark, carriage, or creed.",
        "photo 1: the bag has a distinctive decorative buckle closure and rounded leather silhouette, but these features are not specific to Coach.",
        "photo 1: seller title identifies Etienne Aigner, which is consistent with the visible emblem and weighs against Coach.",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 1: no turnlock - closure is gathered leather tab with silver-tone bar\/buckle, not Coach turnlock geometry",
        "photo 1: small oval metal logo medallion on flap consistent with Etienne Aigner per title, not Coach",
        "photo 1: burgundy\/oxblood soft pebbled leather with rounded saddle flap and thin fixed strap - silhouette does not match catalog Coach City Bag, Court, Station, Dinky or other classics"
    ],
    "missing_information": [
        "Interior view, including any brand label or creed patch.",
        "Close-up of the oval emblem and closure hardware.",
        "Back, bottom, side seams, strap attachments, and interior condition.",
        "Any zipper, fabric, or country-of-manufacture tags.",
        "photo 1 only: no interior, creed patch, back, side, bottom, or hardware close-up views",
        "creed \/ interior brand label not shown - needed to confirm Aigner vs Coach",
        "hardware stamps, lining, strap ends and dimensions not visible",
        "condition of corners, bottom, strap fold and interior unknown"
    ],
    "authenticity_concerns": [
        "photo 1: visible non-Coach-looking oval emblem is inconsistent with a Coach attribution; the bag appears to be an Etienne Aigner or another non-Coach design.",
        "photo 1: oval brand medallion on lower flap and buckle-tab closure are inconsistent with Coach manufacture and point to Etienne Aigner as stated in title"
    ],
    "possible_model_reasoning": [
        "photo 1: rounded flap shoulder-bag silhouette and buckle closure do not closely identify a specific Coach model.",
        "photo 1: visible oval emblem is more consistent with Etienne Aigner than Coach; no Coach creed, serial, hangtag, or wordmark is visible.",
        "Condition: Good; visible creasing and surface wear on the flap and body, with no interior or bottom view available.",
        "No Coach model fits: buckle-tab closure, oval brand medallion, and lack of turnlock\/creed exclude Willis (9927), Court (9870), Station (5130), City Bag (9790), Dinky (9375) and other classics",
        "Title identifies as Etienne Aigner and visible medallion supports that; per skill Etienne Aigner burgundy\/shiny finish with horseshoe-A branding is a defined Coach lookalike",
        "Condition: Good to Very Good from front only; leather creased and softened with surface wear (photo 1), corners\/bottom\/interior\/strap not shown so 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: central decorative metal buckle\/bar closure with a leather tab; hardware appears silver-tone, but detail is limited.",
        "leather_description": "photo 1: dark burgundy\/brown leather with a pebbled or lightly textured surface and visible creasing\/wear.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: long, narrow fixed shoulder strap attached at the upper side edges; adjustment hardware is not visible.",
        "stitching_description": "photo 1: perimeter and panel stitching are visible but too distant to assess consistency or quality."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0332,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.62,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.67,
                "seller_misidentification_probability": 0.96,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: visible oval emblem appears to be an Etienne Aigner-style logo rather than a Coach wordmark, carriage, or creed.",
                    "photo 1: the bag has a distinctive decorative buckle closure and rounded leather silhouette, but these features are not specific to Coach.",
                    "photo 1: seller title identifies Etienne Aigner, which is consistent with the visible emblem and weighs against Coach."
                ],
                "missing_information": [
                    "Interior view, including any brand label or creed patch.",
                    "Close-up of the oval emblem and closure hardware.",
                    "Back, bottom, side seams, strap attachments, and interior condition.",
                    "Any zipper, fabric, or country-of-manufacture tags."
                ],
                "authenticity_concerns": [
                    "photo 1: visible non-Coach-looking oval emblem is inconsistent with a Coach attribution; the bag appears to be an Etienne Aigner or another non-Coach design."
                ],
                "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: central decorative metal buckle\/bar closure with a leather tab; hardware appears silver-tone, but detail is limited.",
                    "leather_description": "photo 1: dark burgundy\/brown leather with a pebbled or lightly textured surface and visible creasing\/wear.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: long, narrow fixed shoulder strap attached at the upper side edges; adjustment hardware is not visible.",
                    "stitching_description": "photo 1: perimeter and panel stitching are visible but too distant to assess consistency or quality."
                },
                "possible_model_reasoning": [
                    "photo 1: rounded flap shoulder-bag silhouette and buckle closure do not closely identify a specific Coach model.",
                    "photo 1: visible oval emblem is more consistent with Etienne Aigner than Coach; no Coach creed, serial, hangtag, or wordmark is visible.",
                    "Condition: Good; visible creasing and surface wear on the flap and body, with no interior or bottom view available."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: oval brand medallion on lower flap and buckle-tab closure are inconsistent with Coach manufacture and point to Etienne Aigner as stated in title"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1 only: no interior, creed patch, back, side, bottom, or hardware close-up views",
                    "creed \/ interior brand label not shown - needed to confirm Aigner vs Coach",
                    "hardware stamps, lining, strap ends and dimensions not visible",
                    "condition of corners, bottom, strap fold and interior unknown"
                ],
                "negative_evidence": [
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 1: no turnlock - closure is gathered leather tab with silver-tone bar\/buckle, not Coach turnlock geometry",
                    "photo 1: small oval metal logo medallion on flap consistent with Etienne Aigner per title, not Coach",
                    "photo 1: burgundy\/oxblood soft pebbled leather with rounded saddle flap and thin fixed strap - silhouette does not match catalog Coach City Bag, Court, Station, Dinky or other classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone bar\/buckle at front flap tab and small oval logo medallion below flap; no brass turnlock, no COACH stamping visible",
                    "leather_description": "photo 1: burgundy\/oxblood soft pebbled leather with sheen and flap creasing, consistent with Etienne Aigner finish",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - edge stitching indistinct in single distant front view",
                    "strap_construction": "photo 1: thin flat leather shoulder\/crossbody strap, fixed length, attached at sides; buckle holes, clips and full length not visible",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: leather flap shoulder handbag in size and age range where misidentified vintage could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: buckle-tab closure, oval brand medallion, and lack of turnlock\/creed exclude Willis (9927), Court (9870), Station (5130), City Bag (9790), Dinky (9375) and other classics",
                    "Title identifies as Etienne Aigner and visible medallion supports that; per skill Etienne Aigner burgundy\/shiny finish with horseshoe-A branding is a defined Coach lookalike",
                    "Condition: Good to Very Good from front only; leather creased and softened with surface wear (photo 1), corners\/bottom\/interior\/strap not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17373,
            "output_tokens": 877,
            "total_tokens": 18250,
            "estimated_cost_usd": 0.009054
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17825,
            "output_tokens": 1747,
            "total_tokens": 19572,
            "estimated_cost_usd": 0.004963
        }
    ]
}