Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.835,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: the bag has an embossed crocodile-pattern synthetic-looking exterior, unlike vintage Coach glove-tanned cowhide.",
        "photo 1: bright silver-tone hardware and multiple decorative buckles are inconsistent with typical 1970s\u20131990s Coach classic construction.",
        "photo 1: no Coach wordmark, horse-and-carriage, hangtag, or other visible Coach identifier.",
        "photo 2: the visible side construction and synthetic-looking patterned material do not resemble a classic unlined Coach leather bag.",
        "listing text: seller describes the material as faux leather and identifies the brand as unbranded.",
        "photo 1-4: medium brown croc-embossed faux material with sheen, seller states Faux Leather - excludes vintage glove-tanned cowhide",
        "photo 1,3,4: silver-tone O-ring handle attachments, buckle and snap hardware, not solid brass turnlock hardware",
        "photo 1,3,4: slouchy multi-exterior-pocket silhouette with buckle flap pocket, no match to Coach catalog turnlock classics",
        "photo 1-4: no COACH wordmark, horse-and-carriage, creed patch, leather hangtag or turnlock visible"
    ],
    "missing_information": [
        "photo 1-5: interior, lining, and any interior brand or care labels are not shown.",
        "photo 1-5: no close-up of possible interior creed, serial\/style tag, zipper pulls, or hardware markings.",
        "photo 1-5: bottom, corners, and strap attachment details are only partially documented.",
        "photo of interior lining and any interior patch or fabric tag not shown",
        "creed patch close-up not shown",
        "hardware engravings \/ zipper brand not shown",
        "bottom and corners close-up not shown"
    ],
    "authenticity_concerns": [
        "photo 1: faux-leather crocodile embossing and bright silver-tone hardware are lookalike\/non-Coach construction cues.",
        "photo 1: the decorative buckle-and-pocket design has no visible Coach identifiers and is inconsistent with the vintage Coach reference population."
    ],
    "possible_model_reasoning": [
        "photo 1: this is a medium-sized structured shoulder handbag with multiple exterior pockets and decorative buckles, but its silhouette is generic and does not match a specific Coach catalog model.",
        "photo 1: no creed, style number, wordmark, or hangtag is visible; the material and hardware strongly favor a modern generic faux-leather bag.",
        "Condition: Very Good based on the visible exterior, with apparent light surface wear; interior, odor, lining, and hidden damage are unknown.",
        "No Coach model fits: croc-embossed faux, silver hardware, buckle-pocket slouch shape has no 1970s-1990s glove-tanned catalog counterpart",
        "Era reasoning: faux croc-embossed shoulder bag with O-ring handles and contrast stitching is modern fast-fashion, not NYC\/US creed era",
        "Condition: appears Very Good to Excellent exterior in photos 1-4 with no major wear visible, but interior and bottom 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 1: bright silver-tone rings, buckles, snaps, and strap hardware; no Coach engraving is visible.",
        "leather_description": "photo 1: brown faux-leather-looking material with an all-over crocodile\/reptile embossing and glossy surface.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1-4: two rounded shoulder handles plus attached strap\/handle sections with buckle and ring fittings; full construction not shown.",
        "stitching_description": "photos 1 and 5: visible light-colored stitching appears generally even, but close-up stress-point and interior stitching are not shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0019,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: the bag has an embossed crocodile-pattern synthetic-looking exterior, unlike vintage Coach glove-tanned cowhide.",
                    "photo 1: bright silver-tone hardware and multiple decorative buckles are inconsistent with typical 1970s\u20131990s Coach classic construction.",
                    "photo 1: no Coach wordmark, horse-and-carriage, hangtag, or other visible Coach identifier.",
                    "photo 2: the visible side construction and synthetic-looking patterned material do not resemble a classic unlined Coach leather bag.",
                    "listing text: seller describes the material as faux leather and identifies the brand as unbranded."
                ],
                "missing_information": [
                    "photo 1-5: interior, lining, and any interior brand or care labels are not shown.",
                    "photo 1-5: no close-up of possible interior creed, serial\/style tag, zipper pulls, or hardware markings.",
                    "photo 1-5: bottom, corners, and strap attachment details are only partially documented."
                ],
                "authenticity_concerns": [
                    "photo 1: faux-leather crocodile embossing and bright silver-tone hardware are lookalike\/non-Coach construction cues.",
                    "photo 1: the decorative buckle-and-pocket design has no visible Coach identifiers and is inconsistent with the vintage Coach reference population."
                ],
                "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: bright silver-tone rings, buckles, snaps, and strap hardware; no Coach engraving is visible.",
                    "leather_description": "photo 1: brown faux-leather-looking material with an all-over crocodile\/reptile embossing and glossy surface.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1-4: two rounded shoulder handles plus attached strap\/handle sections with buckle and ring fittings; full construction not shown.",
                    "stitching_description": "photos 1 and 5: visible light-colored stitching appears generally even, but close-up stress-point and interior stitching are not shown."
                },
                "possible_model_reasoning": [
                    "photo 1: this is a medium-sized structured shoulder handbag with multiple exterior pockets and decorative buckles, but its silhouette is generic and does not match a specific Coach catalog model.",
                    "photo 1: no creed, style number, wordmark, or hangtag is visible; the material and hardware strongly favor a modern generic faux-leather bag.",
                    "Condition: Very Good based on the visible exterior, with apparent light surface wear; interior, odor, lining, and hidden damage are unknown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and any interior patch or fabric tag not shown",
                    "creed patch close-up not shown",
                    "hardware engravings \/ zipper brand not shown",
                    "bottom and corners close-up not shown"
                ],
                "negative_evidence": [
                    "photo 1-4: medium brown croc-embossed faux material with sheen, seller states Faux Leather - excludes vintage glove-tanned cowhide",
                    "photo 1,3,4: silver-tone O-ring handle attachments, buckle and snap hardware, not solid brass turnlock hardware",
                    "photo 1,3,4: slouchy multi-exterior-pocket silhouette with buckle flap pocket, no match to Coach catalog turnlock classics",
                    "photo 1-4: no COACH wordmark, horse-and-carriage, creed patch, leather hangtag or turnlock visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone O-rings, oval buckle on front pocket, snap and rivets; plated tone, not solid brass, no COACH stamping visible",
                    "leather_description": "medium brown croc-embossed faux leather with glossy coated surface, as seller states faux leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrasting off-white topstitching around pockets and body panels, even but not Coach-matched thread",
                    "strap_construction": "dual rolled shoulder handles in same faux material attached via metal O-rings to riveted tabs",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: croc-embossed faux, silver hardware, buckle-pocket slouch shape has no 1970s-1990s glove-tanned catalog counterpart",
                    "Era reasoning: faux croc-embossed shoulder bag with O-ring handles and contrast stitching is modern fast-fashion, not NYC\/US creed era",
                    "Condition: appears Very Good to Excellent exterior in photos 1-4 with no major wear visible, but interior and bottom not shown so lining unknown and grade capped"
                ],
                "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": 24216,
            "output_tokens": 745,
            "total_tokens": 24961,
            "estimated_cost_usd": 0.011474
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 25187,
            "output_tokens": 1450,
            "total_tokens": 26637,
            "estimated_cost_usd": 0.006197
        }
    ]
}