Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.785,
    "seller_misidentification_probability": 0.1,
    "confidence": 0.835,
    "recommended_max_bid": 12,
    "estimated_resale_low": 15,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a leather-looking crossbody handbag with a zip-top compartment, front pocket, and gold-tone closure.",
        "photo 4: detachable-looking strap attachments and gold-tone clips are visible."
    ],
    "negative_evidence": [
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible.",
        "photo 2: the same generic design is shown in several colors with a 'NEW COLLECTION' presentation, strongly suggesting a contemporary mass-market product rather than a vintage Coach piece.",
        "photo 4: the rectangular gold-tone twist closure is chunky and plated-looking, unlike the elegant solid-brass vintage Coach turnlock geometry.",
        "photo 1: the leather has a pronounced uniform embossed\/grained finish and the bag has a modern zip-top insert, not the typical unlined glove-tanned construction of classic vintage Coach.",
        "photo 3: the strap uses modern gold-tone clip hardware and a narrow adjustable shoulder strap; no vintage Coach construction details are visible.",
        "photo 5: close front view still shows no branding, creed, or style number.",
        "photo 2: five identical bags in different colors on retail counter with NEW COLLECTION sign indicates new mass-produced non-Coach retail line",
        "photo 1,4,5,6: zip-top pouch with full-width front slip pocket closed by small rectangular twist-lock - silhouette matches no catalog Coach style",
        "photo 1,4,5,6: bright gold-tone plated hardware with high shine, not vintage solid brass with warm patina",
        "photo 1,4,5,6: uniform pebbled-grain modern leather with even finish, not vintage glove-tanned cowhide",
        "photo 3,4,5: detachable narrow straps on gold lobster clips with buckle adjustment - not vintage Coach dogleash or buckle construction",
        "no creed patch, COACH wordmark, horse-and-carriage, hangtag, or branded hardware visible in any of 6 photos"
    ],
    "missing_information": [
        "Straight-on interior photo, including every interior wall and pocket.",
        "Close-up of any sewn-in label, leather patch, fabric tag, or stamp.",
        "Close-up of the zipper pull and all hardware markings.",
        "Bottom, side, and strap-anchor photos.",
        "Seller-stated dimensions and confirmation of whether the material is genuine leather or coated\/synthetic material.",
        "photo of interior lining and any interior leather patch or brand label - interior never shown",
        "close-up of hardware engravings and zipper-pull brand stamp",
        "photo of bottom, back and side views",
        "confirmation of materials - seller states genuine\/Italian leather but no interior or edge detail to verify"
    ],
    "authenticity_concerns": [
        "The visible design and hardware are generic and lack any Coach identifier; this is more consistent with an unbranded contemporary bag than a Coach product.",
        "The polished rectangular twist clasp and modern construction do not match the expected hardware and construction of a vintage Coach classic.",
        "The listing's 'Italian leather' claim is seller-provided and cannot be verified from the photos."
    ],
    "possible_model_reasoning": [
        "No Coach model is proposed because the bag lacks visible Coach identifiers and its contemporary front-pocket, zip-top silhouette is generic.",
        "The polished rectangular twist clasp, uniform embossed texture, and detachable modern strap suggest a modern non-Coach crossbody.",
        "Condition: Like New or New; photos show clean, uniform exterior and intact-looking hardware, but interior condition, odor, and actual material cannot be assessed.",
        "No Coach identifier visible in any photo so no catalog match is warranted; shape is a modern zip-pouch with front slip pocket and rectangular twist-lock, unlike City Bag (9790), Willis (9927), Court (9870), Station (5130) or other flap-turnlock classics; photo 2 new-collection display confirms modern non-Coach retail origin. Condition: New-appearing; no wear visible in exterior\/lifestyle photos, interior not shown so lining and odor unknown."
    ],
    "estimated_era": "modern (2000s+), non-Coach",
    "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": "photo 1: polished gold-tone rectangular twist-lock clasp, gold-tone zipper teeth, and gold-tone strap clips; no markings are legible.",
        "leather_description": "photo 1: burgundy leather-looking material with pronounced embossed\/grained texture and a relatively uniform finish; exact material cannot be verified.",
        "lining_description": "not_visible",
        "strap_construction": "photo 4: narrow matching burgundy shoulder strap with gold-tone clips and an adjustable section; construction appears modern.",
        "stitching_description": "photo 1: visible matching-color edge stitching appears generally even; close stress-point inspection is unavailable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0011,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a leather-looking crossbody handbag with a zip-top compartment, front pocket, and gold-tone closure.",
                    "photo 4: detachable-looking strap attachments and gold-tone clips are visible."
                ],
                "negative_evidence": [
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier is visible.",
                    "photo 2: the same generic design is shown in several colors with a 'NEW COLLECTION' presentation, strongly suggesting a contemporary mass-market product rather than a vintage Coach piece.",
                    "photo 4: the rectangular gold-tone twist closure is chunky and plated-looking, unlike the elegant solid-brass vintage Coach turnlock geometry.",
                    "photo 1: the leather has a pronounced uniform embossed\/grained finish and the bag has a modern zip-top insert, not the typical unlined glove-tanned construction of classic vintage Coach.",
                    "photo 3: the strap uses modern gold-tone clip hardware and a narrow adjustable shoulder strap; no vintage Coach construction details are visible.",
                    "photo 5: close front view still shows no branding, creed, or style number."
                ],
                "missing_information": [
                    "Straight-on interior photo, including every interior wall and pocket.",
                    "Close-up of any sewn-in label, leather patch, fabric tag, or stamp.",
                    "Close-up of the zipper pull and all hardware markings.",
                    "Bottom, side, and strap-anchor photos.",
                    "Seller-stated dimensions and confirmation of whether the material is genuine leather or coated\/synthetic material."
                ],
                "authenticity_concerns": [
                    "The visible design and hardware are generic and lack any Coach identifier; this is more consistent with an unbranded contemporary bag than a Coach product.",
                    "The polished rectangular twist clasp and modern construction do not match the expected hardware and construction of a vintage Coach classic.",
                    "The listing's 'Italian leather' claim is seller-provided and cannot be verified from the photos."
                ],
                "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": "photo 1: polished gold-tone rectangular twist-lock clasp, gold-tone zipper teeth, and gold-tone strap clips; no markings are legible.",
                    "leather_description": "photo 1: burgundy leather-looking material with pronounced embossed\/grained texture and a relatively uniform finish; exact material cannot be verified.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 4: narrow matching burgundy shoulder strap with gold-tone clips and an adjustable section; construction appears modern.",
                    "stitching_description": "photo 1: visible matching-color edge stitching appears generally even; close stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is proposed because the bag lacks visible Coach identifiers and its contemporary front-pocket, zip-top silhouette is generic.",
                    "The polished rectangular twist clasp, uniform embossed texture, and detachable modern strap suggest a modern non-Coach crossbody.",
                    "Condition: Like New or New; photos show clean, uniform exterior and intact-looking hardware, but interior condition, odor, and actual material cannot be assessed."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 12,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 35,
                "estimated_resale_low": 15,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of interior lining and any interior leather patch or brand label - interior never shown",
                    "close-up of hardware engravings and zipper-pull brand stamp",
                    "photo of bottom, back and side views",
                    "confirmation of materials - seller states genuine\/Italian leather but no interior or edge detail to verify"
                ],
                "negative_evidence": [
                    "photo 2: five identical bags in different colors on retail counter with NEW COLLECTION sign indicates new mass-produced non-Coach retail line",
                    "photo 1,4,5,6: zip-top pouch with full-width front slip pocket closed by small rectangular twist-lock - silhouette matches no catalog Coach style",
                    "photo 1,4,5,6: bright gold-tone plated hardware with high shine, not vintage solid brass with warm patina",
                    "photo 1,4,5,6: uniform pebbled-grain modern leather with even finish, not vintage glove-tanned cowhide",
                    "photo 3,4,5: detachable narrow straps on gold lobster clips with buckle adjustment - not vintage Coach dogleash or buckle construction",
                    "no creed patch, COACH wordmark, horse-and-carriage, hangtag, or branded hardware visible in any of 6 photos"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated top zipper and small rectangular twist-lock on front pocket; gold lobster-clasp strap ends with buckle adjuster; modern plated finish, not vintage solid brass turnlock geometry",
                    "leather_description": "burgundy pebbled-grain leather with uniform modern finish seen in photo 1,4,5,6",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "even edge stitching in matched thread around front pocket, visible in photo 1,6",
                    "strap_construction": "detachable narrow shoulder\/crossbody straps with lobster clips and buckle adjustment, photo 3,4,5",
                    "turnlock_present": true
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifier visible in any photo so no catalog match is warranted; shape is a modern zip-pouch with front slip pocket and rectangular twist-lock, unlike City Bag (9790), Willis (9927), Court (9870), Station (5130) or other flap-turnlock classics; photo 2 new-collection display confirms modern non-Coach retail origin. Condition: New-appearing; no wear visible in exterior\/lifestyle photos, interior not shown so lining and odor unknown."
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26350,
            "output_tokens": 804,
            "total_tokens": 27154,
            "estimated_cost_usd": 0.01247
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27552,
            "output_tokens": 1241,
            "total_tokens": 28793,
            "estimated_cost_usd": 0.006503
        }
    ]
}