Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.055,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.8,
    "recommended_max_bid": 15,
    "estimated_resale_low": 17.5,
    "estimated_resale_high": 45,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a leather crossbody\/messenger handbag with a shoulder strap.",
        "photo 2: The bag appears to use substantial leather construction and brass-tone buckles.",
        "photo 1, photo 2: all-leather satchel with brass-tone hardware in vintage aesthetic"
    ],
    "negative_evidence": [
        "photo 2: Front closure consists of multiple conventional buckles and straps, not a recognizable vintage Coach turnlock or Coach silhouette.",
        "photo 4: Interior is fabric-lined, with no visible Coach creed patch, wordmark, horse-and-carriage, or serial\/style number.",
        "photo 5: No Coach identifier is visible; the design appears to be a generic multi-pocket messenger bag.",
        "photo 1: Listing image appears staged or promotional rather than a detailed seller photograph, limiting provenance and construction assessment.",
        "photo 1, photo 2: closure is three buckle straps, no turnlock of any geometry",
        "photo 2, photo 3, photo 4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 4: olive-green canvas fabric lining under flap, not unlined suede-back glove-tanned leather of vintage Coach classics",
        "photo 1, photo 2: double exterior buckle-pocket messenger silhouette with center buckle tab does not match any Coach catalog style",
        "photo 3, photo 4: thin flat crossbody strap with simple buckle adjustment, not Coach dogleash\/lobster or dowel-handle construction"
    ],
    "missing_information": [
        "A straight-on close-up of the entire interior, especially the back wall and pockets, to check for a creed patch or fabric tag.",
        "Close-ups of all hardware, zipper pulls, strap attachments, and any labels or stamps.",
        "Photos of the bottom, corners, back, and strap fold points.",
        "Seller-stated dimensions and country-of-origin information.",
        "creed patch close-up not shown (no patch expected on this design)",
        "bottom and back views not shown",
        "hardware engravings \/ zipper brand not shown"
    ],
    "authenticity_concerns": [
        "The visible design and lined construction do not closely match the classic unlined glove-tanned Coach handbag population.",
        "No Coach identifier is visible in the supplied photos; this is best treated as a generic leather bag rather than an unidentified Coach bag."
    ],
    "possible_model_reasoning": [
        "The multi-pocket flap messenger silhouette does not correspond closely to the listed classic Coach models and lacks their usual turnlock, creed, or other identifiers.",
        "photo 4: The fabric-lined interior and generic buckle-heavy construction are more consistent with a modern unbranded messenger bag than a vintage Coach classic.",
        "Condition: approximately Very Good based on visible intact leather and hardware, but the promotional photos do not adequately show wear, odor, bottom corners, or functional condition.",
        "No Coach model fits: triple-buckle messenger with two exterior buckle pockets and canvas lining is not in Coach classic or modern catalog",
        "No hard identifiers (creed, serial, wordmark, turnlock, hangtag) visible in 4 photos",
        "Construction (fabric lining, buckle closure, thin strap) points to modern unbranded \/ India-style leather satchel, not Coach",
        "Condition: Like New \/ Excellent; even color, no corner wear shown, hardware intact, interior filled with props (photos 3-4); bottom\/interior not fully shown so 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 2: Multiple brass-tone rectangular buckles, snaps, and strap fittings are visible; no Coach-engraved hardware is legible.",
        "leather_description": "photo 1: Brown\/tan leather or leather-like material with visible surface variation and a distressed appearance; exact leather type is not verifiable.",
        "lining_description": "photo 4: Light olive fabric lining is visible; no brand label or creed is visible.",
        "strap_construction": "photos 1 and 3: Long adjustable leather shoulder strap with stitched construction and buckle adjustment.",
        "stitching_description": "photos 2-5: Exterior stitching appears generally regular and visible around the flap, pockets, and edges; authenticity or manufacturing quality cannot be established from these promotional images."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.001,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.06,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.72,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a leather crossbody\/messenger handbag with a shoulder strap.",
                    "photo 2: The bag appears to use substantial leather construction and brass-tone buckles."
                ],
                "negative_evidence": [
                    "photo 2: Front closure consists of multiple conventional buckles and straps, not a recognizable vintage Coach turnlock or Coach silhouette.",
                    "photo 4: Interior is fabric-lined, with no visible Coach creed patch, wordmark, horse-and-carriage, or serial\/style number.",
                    "photo 5: No Coach identifier is visible; the design appears to be a generic multi-pocket messenger bag.",
                    "photo 1: Listing image appears staged or promotional rather than a detailed seller photograph, limiting provenance and construction assessment."
                ],
                "missing_information": [
                    "A straight-on close-up of the entire interior, especially the back wall and pockets, to check for a creed patch or fabric tag.",
                    "Close-ups of all hardware, zipper pulls, strap attachments, and any labels or stamps.",
                    "Photos of the bottom, corners, back, and strap fold points.",
                    "Seller-stated dimensions and country-of-origin information."
                ],
                "authenticity_concerns": [
                    "The visible design and lined construction do not closely match the classic unlined glove-tanned Coach handbag population.",
                    "No Coach identifier is visible in the supplied photos; this is best treated as a generic leather bag rather than an unidentified Coach bag."
                ],
                "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 2: Multiple brass-tone rectangular buckles, snaps, and strap fittings are visible; no Coach-engraved hardware is legible.",
                    "leather_description": "photo 1: Brown\/tan leather or leather-like material with visible surface variation and a distressed appearance; exact leather type is not verifiable.",
                    "lining_description": "photo 4: Light olive fabric lining is visible; no brand label or creed is visible.",
                    "strap_construction": "photos 1 and 3: Long adjustable leather shoulder strap with stitched construction and buckle adjustment.",
                    "stitching_description": "photos 2-5: Exterior stitching appears generally regular and visible around the flap, pockets, and edges; authenticity or manufacturing quality cannot be established from these promotional images."
                },
                "possible_model_reasoning": [
                    "The multi-pocket flap messenger silhouette does not correspond closely to the listed classic Coach models and lacks their usual turnlock, creed, or other identifiers.",
                    "photo 4: The fabric-lined interior and generic buckle-heavy construction are more consistent with a modern unbranded messenger bag than a vintage Coach classic.",
                    "Condition: approximately Very Good based on visible intact leather and hardware, but the promotional photos do not adequately show wear, odor, bottom corners, or functional condition."
                ],
                "confidence": 0.72,
                "recommended_max_bid": 15,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "creed patch close-up not shown (no patch expected on this design)",
                    "bottom and back views not shown",
                    "hardware engravings \/ zipper brand not shown"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: closure is three buckle straps, no turnlock of any geometry",
                    "photo 2, photo 3, photo 4: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 4: olive-green canvas fabric lining under flap, not unlined suede-back glove-tanned leather of vintage Coach classics",
                    "photo 1, photo 2: double exterior buckle-pocket messenger silhouette with center buckle tab does not match any Coach catalog style",
                    "photo 3, photo 4: thin flat crossbody strap with simple buckle adjustment, not Coach dogleash\/lobster or dowel-handle construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "antiqued brass-tone buckles (three front) and small rivets; no turnlock, no dogleash clips, no stamped branding visible",
                    "leather_description": "distressed tan \/ cognac brown leather with varied patina and lighter edge burnishing, not smooth glove-tanned cowhide finish",
                    "lining_description": "olive-green canvas fabric lining visible on underside of flap in photo 4",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast tan stitching around flap edge, pockets and straps, even but utilitarian",
                    "strap_construction": "thin flat leather crossbody strap, buckle-adjustable, sewn\/ riveted to body sides",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 2: all-leather satchel with brass-tone hardware in vintage aesthetic"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: triple-buckle messenger with two exterior buckle pockets and canvas lining is not in Coach classic or modern catalog",
                    "No hard identifiers (creed, serial, wordmark, turnlock, hangtag) visible in 4 photos",
                    "Construction (fabric lining, buckle closure, thin strap) points to modern unbranded \/ India-style leather satchel, not Coach",
                    "Condition: Like New \/ Excellent; even color, no corner wear shown, hardware intact, interior filled with props (photos 3-4); bottom\/interior not fully shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 25692,
            "output_tokens": 806,
            "total_tokens": 26498,
            "estimated_cost_usd": 0.012211
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27042,
            "output_tokens": 1351,
            "total_tokens": 28393,
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}