Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.195,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.705,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.785,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 40,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a shoulder handbag with a structured\/slouchy body and detachable long strap.",
        "photo 2: Leather-like glossy burgundy exterior is visible, although it does not resemble Coach glove-tanned cowhide.",
        "photo 3: detachable shoulder strap on metal clips is a construction Coach also used, but generic on its own"
    ],
    "negative_evidence": [
        "photo 1: Highly glossy, wrinkled, segmented-looking exterior is consistent with the seller's stated eelskin rather than typical vintage Coach glove-tanned leather.",
        "photo 2: No visible Coach wordmark, horse-and-carriage mark, creed patch, or recognizable Coach-specific hardware.",
        "photo 3: The bag uses a drawstring\/grommet construction and a central decorative leather detail, not a classic Coach turnlock or catalog silhouette.",
        "photo 4: Visible strap clips and hardware do not provide a Coach identifier.",
        "photo 5: No Coach branding or hangtag is visible.",
        "photo 6: Overall construction and glossy exotic-skin appearance are more consistent with an unbranded fashion bag than vintage Coach.",
        "photo 2-5: body is glossy pieced eelskin in burgundy, not Coach glove-tanned cowhide",
        "photo 1-6: drawstring-through-eyelets top with no flap and no turnlock; no Coach catalog classic uses this closure",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 3-5: thin detachable strap on small lobster-claw clips, not brass dogleash clips or buckle-adjustable Coach strap"
    ],
    "missing_information": [
        "Interior view, including the back wall, pockets, lining, and any creed or brand label.",
        "Close-up photographs of all hardware, strap clips, zipper pulls, and any stamps.",
        "Bottom, side, and corner views to assess construction and condition.",
        "Seller-stated dimensions and a photo showing the bag beside a ruler for scale.",
        "photo of interior emptied including any leather patch or fabric label - no interior shown in any of photos 1-6",
        "close-up of hardware stamps on clips and eyelets",
        "photo of bottom and corners",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "The visible construction lacks the creed, wordmark, hangtag, and classic Coach hardware expected for a vintage Coach identification.",
        "The glossy eelskin-like material and drawstring\/grommet design are inconsistent with the common vintage Coach glove-tanned leather classics."
    ],
    "possible_model_reasoning": [
        "No Coach model is a close enough match from the visible drawstring\/grommet silhouette and glossy eelskin-like material.",
        "Condition: seller describes the bag as new; photos show no obvious major damage, but the interior and bottom are not shown, so condition cannot be fully graded.",
        "No Coach model match: drawstring eyelet shoulder in eelskin does not correspond to any Classic glove-tanned style (City, Court, Station, Duffle Sac, etc.)",
        "Material alone rules out vintage Coach classic: Coach vintage signature is unlined glove-tanned cowhide, not pieced glossy eelskin",
        "Condition: appears Like New to Excellent from exterior gloss with no visible corner wear (photos 2-5), but interior not shown so lining unknown and 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 2: Dark metal-toned grommets and small light-metal strap clips are visible; no Coach engraving is legible.",
        "leather_description": "photo 1: Glossy burgundy, wrinkled and segmented-looking leather-like material; seller states eelskin.",
        "lining_description": "not_visible",
        "strap_construction": "photos 4-6: Long narrow adjustable-looking shoulder strap attached with small clips; additional short side ties are visible.",
        "stitching_description": "photos 2-5: Machine stitching appears generally even on visible panels, but stress points and interior construction are not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0079,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.04,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a shoulder handbag with a structured\/slouchy body and detachable long strap.",
                    "photo 2: Leather-like glossy burgundy exterior is visible, although it does not resemble Coach glove-tanned cowhide."
                ],
                "negative_evidence": [
                    "photo 1: Highly glossy, wrinkled, segmented-looking exterior is consistent with the seller's stated eelskin rather than typical vintage Coach glove-tanned leather.",
                    "photo 2: No visible Coach wordmark, horse-and-carriage mark, creed patch, or recognizable Coach-specific hardware.",
                    "photo 3: The bag uses a drawstring\/grommet construction and a central decorative leather detail, not a classic Coach turnlock or catalog silhouette.",
                    "photo 4: Visible strap clips and hardware do not provide a Coach identifier.",
                    "photo 5: No Coach branding or hangtag is visible.",
                    "photo 6: Overall construction and glossy exotic-skin appearance are more consistent with an unbranded fashion bag than vintage Coach."
                ],
                "missing_information": [
                    "Interior view, including the back wall, pockets, lining, and any creed or brand label.",
                    "Close-up photographs of all hardware, strap clips, zipper pulls, and any stamps.",
                    "Bottom, side, and corner views to assess construction and condition.",
                    "Seller-stated dimensions and a photo showing the bag beside a ruler for scale."
                ],
                "authenticity_concerns": [
                    "The visible construction lacks the creed, wordmark, hangtag, and classic Coach hardware expected for a vintage Coach identification.",
                    "The glossy eelskin-like material and drawstring\/grommet design are inconsistent with the common vintage Coach glove-tanned leather classics."
                ],
                "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 2: Dark metal-toned grommets and small light-metal strap clips are visible; no Coach engraving is legible.",
                    "leather_description": "photo 1: Glossy burgundy, wrinkled and segmented-looking leather-like material; seller states eelskin.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 4-6: Long narrow adjustable-looking shoulder strap attached with small clips; additional short side ties are visible.",
                    "stitching_description": "photos 2-5: Machine stitching appears generally even on visible panels, but stress points and interior construction are not shown."
                },
                "possible_model_reasoning": [
                    "No Coach model is a close enough match from the visible drawstring\/grommet silhouette and glossy eelskin-like material.",
                    "Condition: seller describes the bag as new; photos show no obvious major damage, but the interior and bottom are not shown, so condition cannot be fully graded."
                ],
                "confidence": 0.87,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 50
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of interior emptied including any leather patch or fabric label - no interior shown in any of photos 1-6",
                    "close-up of hardware stamps on clips and eyelets",
                    "photo of bottom and corners",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 2-5: body is glossy pieced eelskin in burgundy, not Coach glove-tanned cowhide",
                    "photo 1-6: drawstring-through-eyelets top with no flap and no turnlock; no Coach catalog classic uses this closure",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 3-5: thin detachable strap on small lobster-claw clips, not brass dogleash clips or buckle-adjustable Coach strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone eyelets along top for drawstring, brass-tone lobster-claw clips for detachable strap; no turnlock present",
                    "leather_description": "burgundy glossy eelskin with vertical pieced panels, slouchy finish; not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "thin flat detachable shoulder strap with snap-button ends and lobster-claw clips",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 3: detachable shoulder strap on metal clips is a construction Coach also used, but generic on its own"
                ],
                "possible_model_reasoning": [
                    "No Coach model match: drawstring eyelet shoulder in eelskin does not correspond to any Classic glove-tanned style (City, Court, Station, Duffle Sac, etc.)",
                    "Material alone rules out vintage Coach classic: Coach vintage signature is unlined glove-tanned cowhide, not pieced glossy eelskin",
                    "Condition: appears Like New to Excellent from exterior gloss with no visible corner wear (photos 2-5), but interior not shown so lining unknown and grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 19549,
            "output_tokens": 862,
            "total_tokens": 20411,
            "estimated_cost_usd": 0.009888
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20085,
            "output_tokens": 1251,
            "total_tokens": 21336,
            "estimated_cost_usd": 0.005018
        }
    ]
}