Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.08,
    "vintage_probability": 0.39,
    "authenticity_confidence": 0.085,
    "image_quality_score": 0.66,
    "seller_misidentification_probability": 0.085,
    "confidence": 0.715,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather handbag with structured satchel silhouette and top handles",
        "photo 1: gold-tone hardware and a zip-top closure are broadly compatible with some vintage leather handbags",
        "photo 5: substantial leather-looking construction and finished bottom are visible",
        "photo 1,2,6: leather handbag structure consistent with handbag population where misidentified bags hide"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, or hangtag",
        "photo 1: gold-tone hardware appears decorative and does not show the characteristic vintage Coach turnlock",
        "photo 2: the chain strap is seller-added and therefore provides no brand evidence",
        "photo 4: zipper pull and hardware appear generic, with no visible Coach stamp",
        "photo 1: glossy, structured, lined-looking construction is less consistent with classic unlined glove-tanned Coach styles",
        "photo 1: no turnlock - zip-top frame satchel with top handles, not a Coach classic turnlock silhouette",
        "photo 1,5,6: smooth glossy navy finish unlike matte glove-tanned cowhide with natural grain",
        "photo 1,5: bright gold-tone plated bar trim under handles with wear\/scratching, not solid brass vintage hardware",
        "photo 1,2: added non-original chain crossbody strap with lobster clips, not brass dogleash clips",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible in any view",
        "photo 1: reinforced corner patches and wrapped frame handles not matching any catalog Coach style"
    ],
    "missing_information": [
        "Straight-on interior photo showing the lining, zipper pocket, seams, and any labels or leather patch",
        "Close-up photographs of every interior pocket and seam for a hidden brand mark or fabric tag",
        "Close-up of zipper pull, handle attachments, and hardware stamps",
        "Full-resolution photos of all corners and the original strap attachment points",
        "Confirmation of whether the interior is leather or synthetic lining",
        "photo 1-6: interior not shown - no view of creed patch, lining, or zip pocket to verify maker",
        "photo 1-6: no creed close-up in raking light; no serial\/style number visible",
        "photo 1-6: no hardware close-up showing zipper-pull brand stamp or back plate",
        "photo 1-6: no hangtag front\/back shown",
        "photo 6: bottom shown but no corner close-ups; front\/back\/side views limited to lifestyle shots"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible, making this more consistent with an unbranded or lookalike leather satchel than a Coach bag",
        "The added chain and generic gold-tone hardware cannot authenticate the bag and may not be original"
    ],
    "possible_model_reasoning": [
        "The structured top-handle zip satchel could resemble many generic vintage career bags, but it does not provide enough distinctive evidence for a Coach catalog model.",
        "The silhouette does not closely establish a Willis, Court, City Bag, or other classic Coach style because no Coach-specific closure, creed, serial, or characteristic unlined glove-tanned construction is visible.",
        "Condition: Very Good based on generally intact exterior and limited visible wear; gold-tone trim shows wear in photo 1, while the interior, odor, and full strap condition remain unknown.",
        "No Coach model fits: frame-handle zip-top satchel with corner reinforcements and no turnlock matches no catalog style in 4.1-4.2; no creed, serial, wordmark or brass turnlock to support Coach manufacture",
        "Condition: Very Good to Excellent per seller text; photo 6 shows intact bottom with no obvious wear, photo 1 shows clean face, but interior not shown so lining\/odor 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": "Gold-tone handle fittings, zipper hardware, and seller-added chain; no visible Coach engraving. Some finish wear is visible on the gold-tone trim in photo 1.",
        "leather_description": "Dark navy or black glossy leather-like exterior with smooth panels; exact leather type is not verifiable from photos.",
        "lining_description": "not_visible",
        "strap_construction": "Seller-added gold-tone chain attached at side hardware; original crossbody strap construction is not visible.",
        "stitching_description": "Visible perimeter and panel stitching appears generally even, though close-up stress-point inspection is limited."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.006,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.12,
                "vintage_probability": 0.48,
                "authenticity_confidence": 0.12,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather handbag with structured satchel silhouette and top handles",
                    "photo 1: gold-tone hardware and a zip-top closure are broadly compatible with some vintage leather handbags",
                    "photo 5: substantial leather-looking construction and finished bottom are visible"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, or hangtag",
                    "photo 1: gold-tone hardware appears decorative and does not show the characteristic vintage Coach turnlock",
                    "photo 2: the chain strap is seller-added and therefore provides no brand evidence",
                    "photo 4: zipper pull and hardware appear generic, with no visible Coach stamp",
                    "photo 1: glossy, structured, lined-looking construction is less consistent with classic unlined glove-tanned Coach styles"
                ],
                "missing_information": [
                    "Straight-on interior photo showing the lining, zipper pocket, seams, and any labels or leather patch",
                    "Close-up photographs of every interior pocket and seam for a hidden brand mark or fabric tag",
                    "Close-up of zipper pull, handle attachments, and hardware stamps",
                    "Full-resolution photos of all corners and the original strap attachment points",
                    "Confirmation of whether the interior is leather or synthetic lining"
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible, making this more consistent with an unbranded or lookalike leather satchel than a Coach bag",
                    "The added chain and generic gold-tone hardware cannot authenticate the bag and may not be original"
                ],
                "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": "Gold-tone handle fittings, zipper hardware, and seller-added chain; no visible Coach engraving. Some finish wear is visible on the gold-tone trim in photo 1.",
                    "leather_description": "Dark navy or black glossy leather-like exterior with smooth panels; exact leather type is not verifiable from photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "Seller-added gold-tone chain attached at side hardware; original crossbody strap construction is not visible.",
                    "stitching_description": "Visible perimeter and panel stitching appears generally even, though close-up stress-point inspection is limited."
                },
                "possible_model_reasoning": [
                    "The structured top-handle zip satchel could resemble many generic vintage career bags, but it does not provide enough distinctive evidence for a Coach catalog model.",
                    "The silhouette does not closely establish a Willis, Court, City Bag, or other classic Coach style because no Coach-specific closure, creed, serial, or characteristic unlined glove-tanned construction is visible.",
                    "Condition: Very Good based on generally intact exterior and limited visible wear; gold-tone trim shows wear in photo 1, while the interior, odor, and full strap condition remain unknown."
                ],
                "confidence": 0.78,
                "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": 0.05,
                "coach_probability": 0.04,
                "confidence": 0.65,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.5,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo 1-6: interior not shown - no view of creed patch, lining, or zip pocket to verify maker",
                    "photo 1-6: no creed close-up in raking light; no serial\/style number visible",
                    "photo 1-6: no hardware close-up showing zipper-pull brand stamp or back plate",
                    "photo 1-6: no hangtag front\/back shown",
                    "photo 6: bottom shown but no corner close-ups; front\/back\/side views limited to lifestyle shots"
                ],
                "negative_evidence": [
                    "photo 1: no turnlock - zip-top frame satchel with top handles, not a Coach classic turnlock silhouette",
                    "photo 1,5,6: smooth glossy navy finish unlike matte glove-tanned cowhide with natural grain",
                    "photo 1,5: bright gold-tone plated bar trim under handles with wear\/scratching, not solid brass vintage hardware",
                    "photo 1,2: added non-original chain crossbody strap with lobster clips, not brass dogleash clips",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible in any view",
                    "photo 1: reinforced corner patches and wrapped frame handles not matching any catalog Coach style"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone metal bar under top handles with wear\/scratching, zip-top closure with gold-tone pull, added gold-tone chain crossbody with lobster clips; bright plated appearance, not solid brass",
                    "leather_description": "dark navy smooth leather with glossy sheen, structured satchel body with reinforced lower corners",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "edge stitching visible on corner reinforcements in photo 1; overall stitch detail not close enough to assess",
                    "strap_construction": "two short top handles wrapped in navy leather plus added removable gold-tone chain crossbody strap; seller states handles fold down for clutch use",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1,2,6: leather handbag structure consistent with handbag population where misidentified bags hide"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: frame-handle zip-top satchel with corner reinforcements and no turnlock matches no catalog style in 4.1-4.2; no creed, serial, wordmark or brass turnlock to support Coach manufacture",
                    "Condition: Very Good to Excellent per seller text; photo 6 shows intact bottom with no obvious wear, photo 1 shows clean face, but interior not shown so lining\/odor unknown and grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.05,
                "vintage_probability": 0.3
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17975,
            "output_tokens": 817,
            "total_tokens": 18792,
            "estimated_cost_usd": 0.009151
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18318,
            "output_tokens": 1168,
            "total_tokens": 19486,
            "estimated_cost_usd": 0.004598
        }
    ]
}