Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.03,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.81,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.87,
    "recommended_max_bid": 15,
    "estimated_resale_low": 20,
    "estimated_resale_high": 50,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: brown leather handbag with substantial stitched construction and brass-tone buckle hardware.",
        "photo 4: interior and zipper compartments are visible for inspection.",
        "photo 1, photo 3: leather flap crossbody handbag with brass-tone hardware"
    ],
    "negative_evidence": [
        "photo 1: front closure is a decorative buckle and strap, not a recognizable vintage Coach turnlock.",
        "photo 3: silhouette and layered flap design do not closely match the listed classic Coach models.",
        "photo 4: bright green fabric lining is visible; no Coach creed patch or wordmark is apparent.",
        "photos 1-6: no COACH branding, horse-and-carriage mark, hangtag, or other Coach identifier is visible.",
        "photo 5: reverse is plain and lacks visible branding or a creed.",
        "Listing text: seller identifies the item as unbranded and handmade\/vintage-style, which is consistent with a generic leather bag rather than evidence of Coach manufacture.",
        "photo 3, photo 6: buckle-and-strap flap closure, no turnlock of any geometry",
        "photo 4: bright green fabric lining, not unlined suede-back glove-tanned leather",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
        "photo 3, photo 5, photo 6: horseshoe \/ saddle-bag silhouette with leaf-tip buckle tab and contrast stitching matches modern handmade Indian-style bags, not a Coach catalog style",
        "photo 4: zip-top compartments under flap with modern coil zippers, not Talon\/YKK vintage Coach layout"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket for a possible creed or fabric label.",
        "Close-ups of the zipper pulls, buckle, strap attachments, and any hardware stamps.",
        "Exact dimensions and photos of the bottom, corners, and strap ends.",
        "Seller confirmation of country of manufacture and whether any brand marking exists inside.",
        "photo 4: interior shows no creed patch but no straight-on raking-light creed search view",
        "photo 4: no legible maker stamp, fabric tag or Made-in line visible",
        "no hardware close-up showing buckle or zipper brand stamps",
        "no bottom, side and strap-end detail views"
    ],
    "authenticity_concerns": [
        "The visible construction does not show the identifiers or classic hardware geometry expected for a vintage Coach bag.",
        "The lined, decorative-buckle construction appears inconsistent with a typical unlined vintage Coach classic; a generic lookalike is more likely than a Coach piece."
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the bag lacks a visible Coach identifier and its buckle-front, layered flap silhouette is generic.",
        "Condition: Very Good based on visible surface creasing and scratches but no obvious tears or broken hardware; interior, odor, mold, and full strap condition remain incompletely assessable.",
        "No Coach model fits: buckle saddle closure, green fabric lining, and horseshoe shape are inconsistent with City Bag, Willis, Court, Station, Duffle and other classics",
        "No serial decode possible; no creed or number visible in any photo",
        "Condition: appears Like New \/ new handmade; even color, no corner wear shown in photo 5, but bottom and interior wear not fully assessable"
    ],
    "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": "Brass-tone rectangular buckle, strap keeper, and small strap-side fittings are visible; no Coach engraving is visible.",
        "leather_description": "Brown leather with a smooth-to-m moderately distressed finish, visible creasing and tonal variation; appears substantial but exact leather type is not determinable from photos.",
        "lining_description": "Bright green fabric lining with multiple zippered compartments is visible in photo 4; brand label is not legible or apparent.",
        "strap_construction": "Long adjustable leather shoulder strap attached at the sides; buckle\/loop attachment hardware is visible.",
        "stitching_description": "Multiple rows of generally even brown stitching are visible around the flap, pockets, and perimeter; some areas cannot be assessed closely."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.04,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.92,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: brown leather handbag with substantial stitched construction and brass-tone buckle hardware.",
                    "photo 4: interior and zipper compartments are visible for inspection."
                ],
                "negative_evidence": [
                    "photo 1: front closure is a decorative buckle and strap, not a recognizable vintage Coach turnlock.",
                    "photo 3: silhouette and layered flap design do not closely match the listed classic Coach models.",
                    "photo 4: bright green fabric lining is visible; no Coach creed patch or wordmark is apparent.",
                    "photos 1-6: no COACH branding, horse-and-carriage mark, hangtag, or other Coach identifier is visible.",
                    "photo 5: reverse is plain and lacks visible branding or a creed.",
                    "Listing text: seller identifies the item as unbranded and handmade\/vintage-style, which is consistent with a generic leather bag rather than evidence of Coach manufacture."
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket for a possible creed or fabric label.",
                    "Close-ups of the zipper pulls, buckle, strap attachments, and any hardware stamps.",
                    "Exact dimensions and photos of the bottom, corners, and strap ends.",
                    "Seller confirmation of country of manufacture and whether any brand marking exists inside."
                ],
                "authenticity_concerns": [
                    "The visible construction does not show the identifiers or classic hardware geometry expected for a vintage Coach bag.",
                    "The lined, decorative-buckle construction appears inconsistent with a typical unlined vintage Coach classic; a generic lookalike is more likely than a Coach piece."
                ],
                "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": "Brass-tone rectangular buckle, strap keeper, and small strap-side fittings are visible; no Coach engraving is visible.",
                    "leather_description": "Brown leather with a smooth-to-m moderately distressed finish, visible creasing and tonal variation; appears substantial but exact leather type is not determinable from photos.",
                    "lining_description": "Bright green fabric lining with multiple zippered compartments is visible in photo 4; brand label is not legible or apparent.",
                    "strap_construction": "Long adjustable leather shoulder strap attached at the sides; buckle\/loop attachment hardware is visible.",
                    "stitching_description": "Multiple rows of generally even brown stitching are visible around the flap, pockets, and perimeter; some areas cannot be assessed closely."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the bag lacks a visible Coach identifier and its buckle-front, layered flap silhouette is generic.",
                    "Condition: Very Good based on visible surface creasing and scratches but no obvious tears or broken hardware; interior, odor, mold, and full strap condition remain incompletely assessable."
                ],
                "confidence": 0.89,
                "recommended_max_bid": 15,
                "estimated_resale_low": 20,
                "estimated_resale_high": 60
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 40,
                "estimated_resale_low": 20,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 4: interior shows no creed patch but no straight-on raking-light creed search view",
                    "photo 4: no legible maker stamp, fabric tag or Made-in line visible",
                    "no hardware close-up showing buckle or zipper brand stamps",
                    "no bottom, side and strap-end detail views"
                ],
                "negative_evidence": [
                    "photo 3, photo 6: buckle-and-strap flap closure, no turnlock of any geometry",
                    "photo 4: bright green fabric lining, not unlined suede-back glove-tanned leather",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no hangtag visible",
                    "photo 3, photo 5, photo 6: horseshoe \/ saddle-bag silhouette with leaf-tip buckle tab and contrast stitching matches modern handmade Indian-style bags, not a Coach catalog style",
                    "photo 4: zip-top compartments under flap with modern coil zippers, not Talon\/YKK vintage Coach layout"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone buckle on front strap tab; small zipper pulls visible in photo 4, brand not legible",
                    "leather_description": "medium brown smooth leather with mottled vintage-style finish, soft sheen",
                    "lining_description": "bright green fabric lining visible in photo 4 interior view",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tan contrast stitching around flap and front pocket edges, even but conspicuous",
                    "strap_construction": "wide flat fixed-length crossbody shoulder strap, same leather as body, no buckle adjustment or dogleash clips shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1, photo 3: leather flap crossbody handbag with brass-tone hardware"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: buckle saddle closure, green fabric lining, and horseshoe shape are inconsistent with City Bag, Willis, Court, Station, Duffle and other classics",
                    "No serial decode possible; no creed or number visible in any photo",
                    "Condition: appears Like New \/ new handmade; even color, no corner wear shown in photo 5, but bottom and interior wear not fully assessable"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 863,
            "total_tokens": 21215,
            "estimated_cost_usd": 0.010212
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 21231,
            "output_tokens": 1199,
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}