Vintage Coach Hunter

{
    "is_handbag_probability": 0.975,
    "coach_probability": 0.035,
    "vintage_probability": 0.065,
    "authenticity_confidence": 0.04,
    "image_quality_score": 0.595,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.635,
    "recommended_max_bid": 20,
    "estimated_resale_low": 22.5,
    "estimated_resale_high": 82.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 2: the brown crossbody appears to have leather construction, a detachable\/adjustable strap, and a small leather hangtag-like piece.",
        "photo 1: the lot includes several handbags and crossbody bags, so a Coach item cannot be excluded solely from the seller's 'Unbranded' label."
    ],
    "negative_evidence": [
        "photo 1: this is a mixed lot of 21 bags, wallets, backpacks, textile pouches, and clutches rather than one identifiable Coach handbag.",
        "photos 1-7: no legible COACH wordmark, horse-and-carriage, Coach creed, serial\/style number, or recognizable Coach-specific signature canvas is visible.",
        "photos 1-7: most visible items are nylon, synthetic fabric, coated-looking material, woven textile, or generic fashion construction rather than identifiable vintage glove-tanned Coach leather.",
        "photos 1-7: the brown crossbody and black structured handbag have generic silhouettes; no Coach-specific turnlock or other distinctive Coach identifier is visible.",
        "photo 7: the visible 'GUATEMALA' textile pouch is not Coach evidence.",
        "photo 1: majority of lot is nylon, coated PVC, clear vinyl, woven textile and printed synthetics - coach_probability <=0.05 materials",
        "photo 1-6: neon pink backpack, floral sling, star-print backpack, striped cosmetic case, knit and jute Guatemala souvenir bags are non-Coach fast-fashion \/ souvenir types",
        "photo 1-6: no solid-brass turnlock with Coach geometry visible on any bag",
        "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag legible",
        "photo 2: brown flap crossbody has star-shaped 'GENUINE LEATHER' tag, contrast stitching and flap construction unlike any catalog Coach classic"
    ],
    "missing_information": [
        "A separate, close, straight-on photo of the interior of every leather-looking handbag, especially the brown crossbody and black structured bag.",
        "Close-up photos of any interior leather creed patch, fabric tag, zipper pull, hardware, and hangtag on the brown crossbody.",
        "Photos of the undersides, corners, straps, and bottoms of the leather-looking bags.",
        "Seller-stated dimensions and confirmation of whether any item has a Coach stamp or creed not visible in the listing photos.",
        "No creed patch shown for any bag in lot - straight-on raking-light close-ups needed",
        "No interior views, linings, or fabric tags shown",
        "No turnlock, hardware engraving, or zipper-brand close-ups",
        "No hangtag faces legible; star tag in photo 2 unreadable as Coach",
        "No bottom, corners, strap-fold or scale views for brown leather bag"
    ],
    "authenticity_concerns": [
        "No Coach identifier is visible on any item in the lot, so the Coach hypothesis is unsupported.",
        "The visible bags have generic and mixed modern\/textile construction; the listing does not provide the interior views needed to rule out ordinary unbranded or other-brand items.",
        "photo 1-6: multi-bag lot format prevents per-bag consistency check; no single bag can be authenticated from group shots alone"
    ],
    "possible_model_reasoning": [
        "No Coach model can be matched reliably from the mixed-lot photos. The brown crossbody is a generic rectangular flap\/zip crossbody and does not visibly match enough Coach-specific details to name a style.",
        "The black structured handbag has a generic top-handle silhouette and central clasp; no creed, wordmark, or catalog-specific feature is visible.",
        "Condition: approximately Good for the brown crossbody based on visible creasing, surface wear, and edge wear in photo 2; condition of interiors, odor, mold, and all other items is unknown.",
        "Lot of ~21 mixed purses\/backpacks\/wallets photographed only in group shots; no bag matches a Coach catalog silhouette with identifiers",
        "Brown flap crossbody (photo 2,4,5) is only leather candidate but shape, center seam, oval applique and star tag do not match City Bag, Court, Station, Willis or other classics",
        "Condition: Good to Fair as a lot; heavy wear\/use implied by mixed thrift-grade goods, but per-bag grade not gradable without close-ups"
    ],
    "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 2: a small leather tag-like piece is visible near the brown crossbody; no COACH wording is legible. photo 3: the black structured handbag has gold-tone handle attachments and a central clasp, but no legible brand marking. Other hardware is mostly generic zippers and buckles.",
        "leather_description": "photo 2: the brown crossbody appears leather or leather-like with visible surface wear and creasing; the large beige bag appears pebbled synthetic or leather-like. Material cannot be confirmed from these photos.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: several bags have textile or leather-like shoulder straps; the brown crossbody appears to have an adjustable\/detachable strap. Detailed strap ends and attachment construction are not visible.",
        "stitching_description": "photo 2: stitching on the brown crossbody appears generally regular, but the resolution and crowded presentation do not support a detailed construction assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0033,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.96,
                "coach_probability": 0.04,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.74,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 2: the brown crossbody appears to have leather construction, a detachable\/adjustable strap, and a small leather hangtag-like piece.",
                    "photo 1: the lot includes several handbags and crossbody bags, so a Coach item cannot be excluded solely from the seller's 'Unbranded' label."
                ],
                "negative_evidence": [
                    "photo 1: this is a mixed lot of 21 bags, wallets, backpacks, textile pouches, and clutches rather than one identifiable Coach handbag.",
                    "photos 1-7: no legible COACH wordmark, horse-and-carriage, Coach creed, serial\/style number, or recognizable Coach-specific signature canvas is visible.",
                    "photos 1-7: most visible items are nylon, synthetic fabric, coated-looking material, woven textile, or generic fashion construction rather than identifiable vintage glove-tanned Coach leather.",
                    "photos 1-7: the brown crossbody and black structured handbag have generic silhouettes; no Coach-specific turnlock or other distinctive Coach identifier is visible.",
                    "photo 7: the visible 'GUATEMALA' textile pouch is not Coach evidence."
                ],
                "missing_information": [
                    "A separate, close, straight-on photo of the interior of every leather-looking handbag, especially the brown crossbody and black structured bag.",
                    "Close-up photos of any interior leather creed patch, fabric tag, zipper pull, hardware, and hangtag on the brown crossbody.",
                    "Photos of the undersides, corners, straps, and bottoms of the leather-looking bags.",
                    "Seller-stated dimensions and confirmation of whether any item has a Coach stamp or creed not visible in the listing photos."
                ],
                "authenticity_concerns": [
                    "No Coach identifier is visible on any item in the lot, so the Coach hypothesis is unsupported.",
                    "The visible bags have generic and mixed modern\/textile construction; the listing does not provide the interior views needed to rule out ordinary unbranded or other-brand items."
                ],
                "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": true,
                    "hardware_description": "photo 2: a small leather tag-like piece is visible near the brown crossbody; no COACH wording is legible. photo 3: the black structured handbag has gold-tone handle attachments and a central clasp, but no legible brand marking. Other hardware is mostly generic zippers and buckles.",
                    "leather_description": "photo 2: the brown crossbody appears leather or leather-like with visible surface wear and creasing; the large beige bag appears pebbled synthetic or leather-like. Material cannot be confirmed from these photos.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: several bags have textile or leather-like shoulder straps; the brown crossbody appears to have an adjustable\/detachable strap. Detailed strap ends and attachment construction are not visible.",
                    "stitching_description": "photo 2: stitching on the brown crossbody appears generally regular, but the resolution and crowded presentation do not support a detailed construction assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model can be matched reliably from the mixed-lot photos. The brown crossbody is a generic rectangular flap\/zip crossbody and does not visibly match enough Coach-specific details to name a style.",
                    "The black structured handbag has a generic top-handle silhouette and central clasp; no creed, wordmark, or catalog-specific feature is visible.",
                    "Condition: approximately Good for the brown crossbody based on visible creasing, surface wear, and edge wear in photo 2; condition of interiors, odor, mold, and all other items is unknown."
                ],
                "confidence": 0.67,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-6: multi-bag lot format prevents per-bag consistency check; no single bag can be authenticated from group shots alone"
                ],
                "authenticity_confidence": 0.05,
                "coach_probability": 0.03,
                "confidence": 0.6,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 105,
                "estimated_resale_low": 35,
                "image_quality_score": 0.45,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No creed patch shown for any bag in lot - straight-on raking-light close-ups needed",
                    "No interior views, linings, or fabric tags shown",
                    "No turnlock, hardware engraving, or zipper-brand close-ups",
                    "No hangtag faces legible; star tag in photo 2 unreadable as Coach",
                    "No bottom, corners, strap-fold or scale views for brown leather bag"
                ],
                "negative_evidence": [
                    "photo 1: majority of lot is nylon, coated PVC, clear vinyl, woven textile and printed synthetics - coach_probability <=0.05 materials",
                    "photo 1-6: neon pink backpack, floral sling, star-print backpack, striped cosmetic case, knit and jute Guatemala souvenir bags are non-Coach fast-fashion \/ souvenir types",
                    "photo 1-6: no solid-brass turnlock with Coach geometry visible on any bag",
                    "photo 1-6: no COACH wordmark, horse-and-carriage, creed patch, or leather hangtag legible",
                    "photo 2: brown flap crossbody has star-shaped 'GENUINE LEATHER' tag, contrast stitching and flap construction unlike any catalog Coach classic"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "mixed silver-tone zippers, black plastic buckles, gold-tone frame on black top-handle bag; no solid brass Coach turnlock visible",
                    "leather_description": "mostly synthetic \/ faux leather, nylon, vinyl and textile; one medium-brown flap crossbody appears genuine leather but grained and thin, not glove-tanned",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - contrast stitching on brown bag visible at distance only, no tight even Coach stitching verifiable",
                    "strap_construction": "mixed fabric backpack straps, thin leather crossbody strap, top handles on frame bag; no brass dogleash clips or dowel-handle construction visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Lot of ~21 mixed purses\/backpacks\/wallets photographed only in group shots; no bag matches a Coach catalog silhouette with identifiers",
                    "Brown flap crossbody (photo 2,4,5) is only leather candidate but shape, center seam, oval applique and star tag do not match City Bag, Court, Station, Willis or other classics",
                    "Condition: Good to Fair as a lot; heavy wear\/use implied by mixed thrift-grade goods, but per-bag grade not gradable without close-ups"
                ],
                "possible_models": [],
                "recommended_max_bid": 25,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 23382,
            "output_tokens": 953,
            "total_tokens": 24335,
            "estimated_cost_usd": 0.01164
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 24436,
            "output_tokens": 1405,
            "total_tokens": 25841,
            "estimated_cost_usd": 0.006011
        }
    ]
}