Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.34,
    "authenticity_confidence": 0.03,
    "image_quality_score": 0.735,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.82,
    "recommended_max_bid": 10,
    "estimated_resale_low": 15,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather shoulder\/crossbody handbag with a flap and central closure.",
        "photo 1: The bag has a long adjustable-looking shoulder strap and hand-painted floral decoration.",
        "photo 1,2: is a leather flap shoulder handbag, the population where misidentified Coach could hide"
    ],
    "negative_evidence": [
        "photo 1: No COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible.",
        "photo 1: The bright silver-tone clasp is not the solid-brass, elegant vintage Coach turnlock geometry normally seen on classic Coach bags.",
        "photo 1: Extensive hand-painted floral artwork and decorative side lacing are inconsistent with the catalog silhouettes and construction of typical vintage Coach classics.",
        "photo 3: The visible edge construction and glossy painted surface look artisan-made rather than like Coach glove-tanned leather.",
        "photo 4: The visible hardware appears generic and silver-tone, with no legible Coach engraving.",
        "photo 1,2,3,5: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
        "photo 1,3,5: closure is small silver-tone oval twist clasp, not Coach solid-brass turnlock geometry with wide thin plate and slim tab",
        "photo 3,5,6: sides joined with exposed whipstitch\/lacing, not Coach tight matched stitching and finished edges",
        "photo 1,2,3,5: all-over hand-painted folk-art florals with artist signature 'By Ester' on flap, never a Coach factory finish",
        "photo 1,2: thin flat unlined-appearing tan leather strap with no buckle adjustment, dogleash clips or brass slides"
    ],
    "missing_information": [
        "Interior view, including the back wall and all pockets, to check for a creed or maker label.",
        "Close-up photographs of the clasp, strap attachments, and any hardware stamps.",
        "Bottom, side, and rear views to assess construction and maker markings.",
        "Seller-stated dimensions, country-of-origin markings, and any signature or artist label inside.",
        "photo 1-6: no interior view shown, creed patch cannot be checked",
        "photo 1-6: no bottom view and no close-up of hardware stamps or Made-in line",
        "photo 1-6: no hangtag or interior label shown front\/back"
    ],
    "authenticity_concerns": [
        "The visible construction provides no evidence of Coach manufacture and is more consistent with an unbranded artisan leather bag.",
        "The generic silver-tone clasp and decorative painted\/laced construction do not match the expected hardware and construction of most vintage Coach models."
    ],
    "possible_model_reasoning": [
        "The flap-and-strap format is broadly compatible with many artisan shoulder bags but does not closely identify a Coach catalog model.",
        "No Coach identifier is visible, and the clasp, painted decoration, and side lacing weigh strongly toward an unbranded artisan bag.",
        "Condition: Fair\/rehab; substantial edge wear and separation are visible at the lower corners and side edges (photos 4-6), while the interior and functional hardware condition are unknown.",
        "No Coach model fits: silhouette is envelope flap with center twist clasp and laced sides, artist-signed hand-painted finish, silver hardware and lacing are inconsistent with any 1970s-1990s Coach classic (City Bag, Willis, Court, Dinky, etc.); Condition: Good to Very Good exterior with surface scuffs and wear visible (photo 5,6) but interior, bottom and strap fold not shown so grade capped"
    ],
    "estimated_era": "unknown",
    "observed_features": {
        "creed_present": false,
        "serial_or_style_number_present": false,
        "coach_wordmark_present": false,
        "turnlock_present": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "Visible generic silver-tone rotating clasp on the flap; no Coach engraving is legible. Strap-side hardware is also generic-looking.",
        "leather_description": "Tan leather-like bag with extensive glossy hand-painted floral decoration; surface wear, scuffs, and edge deterioration are visible.",
        "lining_description": "not_visible - interior never shown",
        "strap_construction": "Long narrow shoulder strap attached at the sides; attachment and adjustment details are only partly visible.",
        "stitching_description": "Visible decorative open side lacing and perimeter stitching; edge condition is worn with fraying or separation at the lower corners."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0048,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "unknown",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather shoulder\/crossbody handbag with a flap and central closure.",
                    "photo 1: The bag has a long adjustable-looking shoulder strap and hand-painted floral decoration."
                ],
                "negative_evidence": [
                    "photo 1: No COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible.",
                    "photo 1: The bright silver-tone clasp is not the solid-brass, elegant vintage Coach turnlock geometry normally seen on classic Coach bags.",
                    "photo 1: Extensive hand-painted floral artwork and decorative side lacing are inconsistent with the catalog silhouettes and construction of typical vintage Coach classics.",
                    "photo 3: The visible edge construction and glossy painted surface look artisan-made rather than like Coach glove-tanned leather.",
                    "photo 4: The visible hardware appears generic and silver-tone, with no legible Coach engraving."
                ],
                "missing_information": [
                    "Interior view, including the back wall and all pockets, to check for a creed or maker label.",
                    "Close-up photographs of the clasp, strap attachments, and any hardware stamps.",
                    "Bottom, side, and rear views to assess construction and maker markings.",
                    "Seller-stated dimensions, country-of-origin markings, and any signature or artist label inside."
                ],
                "authenticity_concerns": [
                    "The visible construction provides no evidence of Coach manufacture and is more consistent with an unbranded artisan leather bag.",
                    "The generic silver-tone clasp and decorative painted\/laced construction do not match the expected hardware and construction of most vintage Coach models."
                ],
                "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": true,
                    "hangtag_present": false,
                    "hardware_description": "Visible generic silver-tone rotating clasp on the flap; no Coach engraving is legible. Strap-side hardware is also generic-looking.",
                    "leather_description": "Tan leather-like bag with extensive glossy hand-painted floral decoration; surface wear, scuffs, and edge deterioration are visible.",
                    "lining_description": "not_visible",
                    "strap_construction": "Long narrow shoulder strap attached at the sides; attachment and adjustment details are only partly visible.",
                    "stitching_description": "Visible decorative open side lacing and perimeter stitching; edge condition is worn with fraying or separation at the lower corners."
                },
                "possible_model_reasoning": [
                    "The flap-and-strap format is broadly compatible with many artisan shoulder bags but does not closely identify a Coach catalog model.",
                    "No Coach identifier is visible, and the clasp, painted decoration, and side lacing weigh strongly toward an unbranded artisan bag.",
                    "Condition: Fair\/rehab; substantial edge wear and separation are visible at the lower corners and side edges (photos 4-6), while the interior and functional hardware condition are unknown."
                ],
                "confidence": 0.84,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "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": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1-6: no interior view shown, creed patch cannot be checked",
                    "photo 1-6: no bottom view and no close-up of hardware stamps or Made-in line",
                    "photo 1-6: no hangtag or interior label shown front\/back"
                ],
                "negative_evidence": [
                    "photo 1,2,3,5: no COACH wordmark, horse-and-carriage, creed patch or leather hangtag visible",
                    "photo 1,3,5: closure is small silver-tone oval twist clasp, not Coach solid-brass turnlock geometry with wide thin plate and slim tab",
                    "photo 3,5,6: sides joined with exposed whipstitch\/lacing, not Coach tight matched stitching and finished edges",
                    "photo 1,2,3,5: all-over hand-painted folk-art florals with artist signature 'By Ester' on flap, never a Coach factory finish",
                    "photo 1,2: thin flat unlined-appearing tan leather strap with no buckle adjustment, dogleash clips or brass slides"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "small silver-tone oval twist\/turn clasp centered on flap (photo 1,3,5); tarnished tone, not solid brass Coach turnlock; side strap attachments not visible",
                    "leather_description": "smooth tan\/natural leather with glossy hand-painted floral decoration in blue, yellow, orange, green; whipstitch laced side seams (photo 3,5,6); not glove-tanned full-grain with patina as on vintage Coach",
                    "lining_description": "not_visible - interior never shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "exposed dark whipstitch\/lacing along side edges (photo 3,5,6); no tight even matched-thread Coach stitching visible",
                    "strap_construction": "long narrow flat tan leather crossbody\/shoulder strap, appears non-adjustable with no buckle or clips shown (photo 1,2)",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1,2: is a leather flap shoulder handbag, the population where misidentified Coach could hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette is envelope flap with center twist clasp and laced sides, artist-signed hand-painted finish, silver hardware and lacing are inconsistent with any 1970s-1990s Coach classic (City Bag, Willis, Court, Dinky, etc.); Condition: Good to Very Good exterior with surface scuffs and wear visible (photo 5,6) but interior, bottom and strap fold not shown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 24687,
            "output_tokens": 872,
            "total_tokens": 25559,
            "estimated_cost_usd": 0.011968
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25602,
            "output_tokens": 1446,
            "total_tokens": 27048,
            "estimated_cost_usd": 0.006277
        }
    ]
}