Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.64,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.83,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1-6: object is a handbag \/ satchel with top handles and shoulder strap"
    ],
    "negative_evidence": [
        "photo 1: The bag has a generic modern satchel silhouette, bright plated hardware, decorative charm, and no recognizable Coach branding.",
        "photo 1: The front plaque does not visibly read COACH and appears to be a generic decorative label.",
        "photo 1: The contrasting silver\/gold-tone hardware and decorative fittings are inconsistent with classic vintage Coach construction.",
        "photos 2-6: The bag is shown in promotional\/lifestyle settings rather than clear documentation of its interior, creed, or manufacturing details.",
        "listing text: Seller identifies the item as Unbranded and New With Tags.",
        "photo 1-6: no creed patch, COACH wordmark, or horse-and-carriage visible",
        "photo 1-6: modern structured satchel with top handles plus detachable crossbody strap, does not match any vintage Coach catalog silhouette",
        "photo 1-5: bright gold-tone plated hardware with decorative charm and rectangular front logo plate, not solid brass vintage Coach hardware",
        "photo 1-6: uniform red pebbled faux-leather appearance with painted edges, not glove-tanned cowhide with suede-back unlined interior",
        "photo 1-4: no turnlock closure visible",
        "photo 1-6: no leather Coach hangtag visible",
        "listing title states New With Tags and Unbranded, consistent with modern fast-fashion bag"
    ],
    "missing_information": [
        "Straight-on interior photo showing the back wall, pockets, lining, and any creed or fabric labels.",
        "Close-up of the front plaque and all hardware markings.",
        "Bottom, side, strap-end, and zipper-pull photos.",
        "A clear photo of any attached paper or fabric tags, including country of manufacture and style number.",
        "Seller-stated material, dimensions, and country of manufacture.",
        "interior views including lining and any interior patch or tags not shown",
        "back, side, bottom and close-up hardware views not shown",
        "creed patch close-up not shown",
        "material \/ brand tag close-up not shown"
    ],
    "authenticity_concerns": [
        "The bag lacks any visible Coach identifier and has generic modern styling rather than a documented Coach silhouette.",
        "The decorative metal charm and plaque appear brand-evoking or generic, not a Coach leather hangtag or standard Coach wordmark.",
        "Bright mixed-tone\/plated hardware and pebbled-looking material are inconsistent with a typical vintage glove-tanned Coach classic.",
        "The promotional\/lifestyle image set does not establish whether the item shown is the actual bag or a stock\/rendered product image.",
        "photo 1-6: no Coach creed, wordmark, horse-and-carriage, or style number visible to authenticate",
        "photo 1-6: modern fast-fashion satchel construction - pebbled synthetic material, bright plated hardware, decorative charm and brand plate - inconsistent with any vintage Coach era"
    ],
    "possible_model_reasoning": [
        "The structured top-handle satchel with detachable crossbody strap does not closely match the listed vintage Coach catalog silhouettes, and no Coach identifier is visible.",
        "The red color and pebbled exterior are not sufficient for a Coach attribution; generic modern bags commonly use the same features.",
        "Condition appears New or Like New based on the seller's claim and clean appearance, but condition cannot be fully graded because the interior and bottom are not shown.",
        "No Coach model fits: silhouette, synthetic pebbled material, plated hardware, front brand plate and charm, and lack of creed\/turnlock\/hangtag are inconsistent with all vintage Coach lines",
        "Condition: New as listed New With Tags; photos 5-6 show clean unused appearance, no wear visible"
    ],
    "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 bright silver- and gold-tone plated fittings, D-rings, buckles, clips, and a decorative geometric charm; no legible COACH engraving is visible.",
        "leather_description": "Red pebbled-looking material is visible, but the photos do not establish that it is genuine leather; it appears more consistent with a modern generic or synthetic bag.",
        "lining_description": "not_visible",
        "strap_construction": "Two rounded top handles and a detachable adjustable shoulder strap with plated clips and a buckle are visible in photos 1-6.",
        "stitching_description": "Black edge stitching and generally even seams are visible in photos 1, 5, and 6; construction is modern-looking but not diagnostic of Coach."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0007,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.68,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag has a generic modern satchel silhouette, bright plated hardware, decorative charm, and no recognizable Coach branding.",
                    "photo 1: The front plaque does not visibly read COACH and appears to be a generic decorative label.",
                    "photo 1: The contrasting silver\/gold-tone hardware and decorative fittings are inconsistent with classic vintage Coach construction.",
                    "photos 2-6: The bag is shown in promotional\/lifestyle settings rather than clear documentation of its interior, creed, or manufacturing details.",
                    "listing text: Seller identifies the item as Unbranded and New With Tags."
                ],
                "missing_information": [
                    "Straight-on interior photo showing the back wall, pockets, lining, and any creed or fabric labels.",
                    "Close-up of the front plaque and all hardware markings.",
                    "Bottom, side, strap-end, and zipper-pull photos.",
                    "A clear photo of any attached paper or fabric tags, including country of manufacture and style number.",
                    "Seller-stated material, dimensions, and country of manufacture."
                ],
                "authenticity_concerns": [
                    "The bag lacks any visible Coach identifier and has generic modern styling rather than a documented Coach silhouette.",
                    "The decorative metal charm and plaque appear brand-evoking or generic, not a Coach leather hangtag or standard Coach wordmark.",
                    "Bright mixed-tone\/plated hardware and pebbled-looking material are inconsistent with a typical vintage glove-tanned Coach classic.",
                    "The promotional\/lifestyle image set does not establish whether the item shown is the actual bag or a stock\/rendered product image."
                ],
                "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 bright silver- and gold-tone plated fittings, D-rings, buckles, clips, and a decorative geometric charm; no legible COACH engraving is visible.",
                    "leather_description": "Red pebbled-looking material is visible, but the photos do not establish that it is genuine leather; it appears more consistent with a modern generic or synthetic bag.",
                    "lining_description": "not_visible",
                    "strap_construction": "Two rounded top handles and a detachable adjustable shoulder strap with plated clips and a buckle are visible in photos 1-6.",
                    "stitching_description": "Black edge stitching and generally even seams are visible in photos 1, 5, and 6; construction is modern-looking but not diagnostic of Coach."
                },
                "possible_model_reasoning": [
                    "The structured top-handle satchel with detachable crossbody strap does not closely match the listed vintage Coach catalog silhouettes, and no Coach identifier is visible.",
                    "The red color and pebbled exterior are not sufficient for a Coach attribution; generic modern bags commonly use the same features.",
                    "Condition appears New or Like New based on the seller's claim and clean appearance, but condition cannot be fully graded because the interior and bottom are not shown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: no Coach creed, wordmark, horse-and-carriage, or style number visible to authenticate",
                    "photo 1-6: modern fast-fashion satchel construction - pebbled synthetic material, bright plated hardware, decorative charm and brand plate - inconsistent with any vintage Coach era"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including lining and any interior patch or tags not shown",
                    "back, side, bottom and close-up hardware views not shown",
                    "creed patch close-up not shown",
                    "material \/ brand tag close-up not shown"
                ],
                "negative_evidence": [
                    "photo 1-6: no creed patch, COACH wordmark, or horse-and-carriage visible",
                    "photo 1-6: modern structured satchel with top handles plus detachable crossbody strap, does not match any vintage Coach catalog silhouette",
                    "photo 1-5: bright gold-tone plated hardware with decorative charm and rectangular front logo plate, not solid brass vintage Coach hardware",
                    "photo 1-6: uniform red pebbled faux-leather appearance with painted edges, not glove-tanned cowhide with suede-back unlined interior",
                    "photo 1-4: no turnlock closure visible",
                    "photo 1-6: no leather Coach hangtag visible",
                    "listing title states New With Tags and Unbranded, consistent with modern fast-fashion bag"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone plated hardware, top-handle D-rings, side strap D-rings with buckle-adjustable crossbody strap, small rectangular front brand plate and hanging diamond charm with white beads",
                    "leather_description": "red uniform pebbled material appearing synthetic \/ faux leather, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight perimeter stitching tone-matched, visible edge paint",
                    "strap_construction": "two short rolled top handles plus detachable adjustable crossbody shoulder strap on metal clips",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1-6: object is a handbag \/ satchel with top handles and shoulder strap"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: silhouette, synthetic pebbled material, plated hardware, front brand plate and charm, and lack of creed\/turnlock\/hangtag are inconsistent with all vintage Coach lines",
                    "Condition: New as listed New With Tags; photos 5-6 show clean unused appearance, no wear visible"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 29863,
            "output_tokens": 867,
            "total_tokens": 30730,
            "estimated_cost_usd": 0.014026
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 31547,
            "output_tokens": 1163,
            "total_tokens": 32710,
            "estimated_cost_usd": 0.00724
        }
    ]
}