Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.035,
    "vintage_probability": 0.215,
    "authenticity_confidence": 0.035,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.075,
    "confidence": 0.73,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: structured leather satchel silhouette with top handles and metal feet is consistent with a handbag.",
        "photo 1: gold-tone hardware is visible."
    ],
    "negative_evidence": [
        "photo 1: highly glossy black crocodile-embossed finish is unlike the matte-to-satin glove-tanned leather typical of classic vintage Coach.",
        "photo 1: the central closure appears to be a decorative rounded clasp rather than a Coach-style turnlock.",
        "photo 1: no legible COACH wordmark, horse-and-carriage, or hangtag is visible.",
        "photo 2: front construction and crocodile embossing show no visible Coach identifier.",
        "photo 3: the top hardware and closure do not resemble a classic Coach turnlock.",
        "photo 6: the bag has a heavily finished, glossy embossed surface and decorative feet, more consistent with a generic fashion satchel.",
        "photo 1-2: high-gloss croc-embossed finish unlike vintage Coach glove-tanned cowhide which is matte-to-satin smooth full-grain",
        "photo 1,2,3: top-frame kiss \/ clasp closure with front buckle strap - no Coach turnlock with thin oval plate geometry seen",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
        "photo 3,6: structured doctor-bag \/ satchel silhouette with base feet does not match classic Coach catalog styles (City, Willis, Court, Station, Duffle, etc.)",
        "photo 4-5: side gusset and handle-anchor construction not Coach classic"
    ],
    "missing_information": [
        "photo 7: interior emptied and photographed clearly, including any leather creed patch or fabric label.",
        "photo 8: close-up of any zipper pulls, closure hardware stamps, and handle attachments.",
        "photo 9: full strap, interior lining, and manufacturer label if present.",
        "Seller-stated dimensions and country of manufacture.",
        "photo of interior emptied and interior pockets \/ creed patch close-up in raking light (photos 1-6 show exterior only)",
        "photo of hangtag both faces if present - none shown",
        "photo of hardware stamps \/ zipper pull brand \/ Made-in line",
        "photo of interior lining material",
        "seller-stated dimensions for scale"
    ],
    "authenticity_concerns": [
        "The visible glossy crocodile-embossed construction and decorative clasp are inconsistent with the usual construction of classic vintage Coach bags.",
        "No Coach identifier is visible in the provided exterior photos; a generic unbranded bag is more likely than a Coach lookalike with a missing removable hangtag."
    ],
    "possible_model_reasoning": [
        "The structured top-handle satchel shape is not enough to match a Coach model; the embossed glossy finish and decorative closure are more typical of an unbranded fashion bag.",
        "Condition: approximately Good to Very Good based on visible surface wear and intact-looking hardware; interior, odor, lining, and strap condition are not shown.",
        "No Coach hard identifier visible in 6 exterior photos - no creed, wordmark, hangtag, or Coach turnlock to decode",
        "Leather (glossy croc-embossed) and closure (top frame clasp + decorative buckle) inconsistent with 1970s-1990s unlined glove-tanned turnlock classics",
        "Silhouette is generic doctor \/ satchel top-handle, widely made as unbranded department-store bag; silhouette alone never proves Coach",
        "Condition: Good to Very Good exterior - high gloss intact, light scuffs and edge wear visible (photo 2,5,6), interior unknown so 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": "Visible gold-tone rectangular clasp, rounded decorative ring detail, handle rings, and multiple small metal feet; no Coach engraving is legible.",
        "leather_description": "Black glossy crocodile-embossed leather or leather-like material; surface is heavily finished and reflective.",
        "lining_description": "not_visible",
        "strap_construction": "Two fixed top handles with gold-tone attachments are visible; additional strap construction is not clearly shown.",
        "stitching_description": "Visible edge stitching appears generally even, but close-up quality is insufficient to assess construction authenticity."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0051,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: structured leather satchel silhouette with top handles and metal feet is consistent with a handbag.",
                    "photo 1: gold-tone hardware is visible."
                ],
                "negative_evidence": [
                    "photo 1: highly glossy black crocodile-embossed finish is unlike the matte-to-satin glove-tanned leather typical of classic vintage Coach.",
                    "photo 1: the central closure appears to be a decorative rounded clasp rather than a Coach-style turnlock.",
                    "photo 1: no legible COACH wordmark, horse-and-carriage, or hangtag is visible.",
                    "photo 2: front construction and crocodile embossing show no visible Coach identifier.",
                    "photo 3: the top hardware and closure do not resemble a classic Coach turnlock.",
                    "photo 6: the bag has a heavily finished, glossy embossed surface and decorative feet, more consistent with a generic fashion satchel."
                ],
                "missing_information": [
                    "photo 7: interior emptied and photographed clearly, including any leather creed patch or fabric label.",
                    "photo 8: close-up of any zipper pulls, closure hardware stamps, and handle attachments.",
                    "photo 9: full strap, interior lining, and manufacturer label if present.",
                    "Seller-stated dimensions and country of manufacture."
                ],
                "authenticity_concerns": [
                    "The visible glossy crocodile-embossed construction and decorative clasp are inconsistent with the usual construction of classic vintage Coach bags.",
                    "No Coach identifier is visible in the provided exterior photos; a generic unbranded bag is more likely than a Coach lookalike with a missing removable hangtag."
                ],
                "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": "Visible gold-tone rectangular clasp, rounded decorative ring detail, handle rings, and multiple small metal feet; no Coach engraving is legible.",
                    "leather_description": "Black glossy crocodile-embossed leather or leather-like material; surface is heavily finished and reflective.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two fixed top handles with gold-tone attachments are visible; additional strap construction is not clearly shown.",
                    "stitching_description": "Visible edge stitching appears generally even, but close-up quality is insufficient to assess construction authenticity."
                },
                "possible_model_reasoning": [
                    "The structured top-handle satchel shape is not enough to match a Coach model; the embossed glossy finish and decorative closure are more typical of an unbranded fashion bag.",
                    "Condition: approximately Good to Very Good based on visible surface wear and intact-looking hardware; interior, odor, lining, and strap condition are not shown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.04,
                "coach_probability": 0.03,
                "confidence": 0.68,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "photo of interior emptied and interior pockets \/ creed patch close-up in raking light (photos 1-6 show exterior only)",
                    "photo of hangtag both faces if present - none shown",
                    "photo of hardware stamps \/ zipper pull brand \/ Made-in line",
                    "photo of interior lining material",
                    "seller-stated dimensions for scale"
                ],
                "negative_evidence": [
                    "photo 1-2: high-gloss croc-embossed finish unlike vintage Coach glove-tanned cowhide which is matte-to-satin smooth full-grain",
                    "photo 1,2,3: top-frame kiss \/ clasp closure with front buckle strap - no Coach turnlock with thin oval plate geometry seen",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag visible",
                    "photo 3,6: structured doctor-bag \/ satchel silhouette with base feet does not match classic Coach catalog styles (City, Willis, Court, Station, Duffle, etc.)",
                    "photo 4-5: side gusset and handle-anchor construction not Coach classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone frame clasp on top (photo 3), front buckle, handle D-rings \/ loops, small dome base feet (photo 6); tone consistent but geometry not Coach turnlock",
                    "leather_description": "black high-gloss croc-embossed leather, shiny patent-like coating visible in flash (photo 1-2)",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - stitching not legible due to glare and distance; edge finish appears piped \/ coated",
                    "strap_construction": "two short fixed top handles attached via loops with gold-tone rings (photo 1-3); no detachable crossbody strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach hard identifier visible in 6 exterior photos - no creed, wordmark, hangtag, or Coach turnlock to decode",
                    "Leather (glossy croc-embossed) and closure (top frame clasp + decorative buckle) inconsistent with 1970s-1990s unlined glove-tanned turnlock classics",
                    "Silhouette is generic doctor \/ satchel top-handle, widely made as unbranded department-store bag; silhouette alone never proves Coach",
                    "Condition: Good to Very Good exterior - high gloss intact, light scuffs and edge wear visible (photo 2,5,6), interior unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 20264,
            "output_tokens": 771,
            "total_tokens": 21035,
            "estimated_cost_usd": 0.009956
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 20872,
            "output_tokens": 1372,
            "total_tokens": 22244,
            "estimated_cost_usd": 0.005272
        }
    ]
}