Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.14,
    "vintage_probability": 0.475,
    "authenticity_confidence": 0.125,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.14,
    "confidence": 0.7,
    "recommended_max_bid": 15,
    "estimated_resale_low": 15,
    "estimated_resale_high": 45,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: leather shoulder bag with a flap, long strap, and brass-tone hardware is the general type in which vintage Coach examples can occur",
        "photo 4: interior shows multiple compartments and a zippered pocket, indicating a constructed handbag rather than a non-handbag item",
        "photo 1, photo 2: leather flap shoulder bag with brass-tone hardware, population where misidentified vintage hides",
        "photo 4: unlined suede-side interior with interior zip pocket under flap, consistent with vintage unlined construction in general",
        "photo 1, photo 2, photo 3: tone-matched stitching and wrapped edges, solid-color leather with no logo print"
    ],
    "negative_evidence": [
        "photo 1: turnlock is ornate and elongated with a bright plated appearance, unlike the restrained vintage Coach turnlock geometry",
        "photo 1: leather has a very glossy, heavily finished surface rather than the matte-to-satin glove-tanned appearance typical of classic vintage Coach",
        "photo 4: interior is fabric-lined with light-colored panels; this does not match the usual unlined suede-back construction of many classic Coach flap bags",
        "photos 1-5: no legible COACH wordmark, horse-and-carriage mark, hangtag, creed patch, or other Coach identifier is visible",
        "photo 3: construction appears to be a generic multi-compartment satchel design and does not closely match the listed classic Coach silhouettes",
        "photo 1: closure is small pointed hasp\/tuck tab, not Coach wide oval thin turnlock with rounded tab and plain keeper",
        "photo 1, photo 2: no COACH wordmark, horse-and-carriage, or hangtag visible on exterior, strap or hardware",
        "photo 4: no creed patch visible on interior wall or zip pocket; interior shown but no stamped leather patch",
        "photo 1, photo 2, photo 3: silhouette - structured envelope flap with accordion multi-gusset body - does not match catalog Court (9870), Station (5130), City Bag (9790), Willis (9927) flap + turnlock layouts",
        "photo 1, photo 2: high-gloss smooth finish unlike matte-to-satin glove-tanned cowhide with natural grain"
    ],
    "missing_information": [
        "Straight-on close-up of every interior wall and pocket to confirm whether a creed patch or fabric brand tag is present",
        "Close-up of the turnlock front and back, zipper pull, and all hardware markings",
        "Full strap, attachment points, bottom, and all four corners",
        "Seller-stated dimensions and a clear photo of any interior label",
        "photo of interior back wall \/ slip pocket straight-on for creed patch in raking light",
        "creed close-up filling frame and Made-in line",
        "bottom view showing all four corners and edge wear",
        "hardware close-ups: closure front\/back plate, strap clips, zipper pull brand stamp",
        "hangtag both faces if present",
        "seller-stated dimensions and weight for scale"
    ],
    "authenticity_concerns": [
        "photo 1: bright, decorative turnlock is a lookalike-style cue and is inconsistent with typical vintage Coach classic hardware",
        "photos 1 and 4: glossy finished exterior combined with a light fabric-lined, multi-compartment interior provides no visible Coach-specific construction evidence"
    ],
    "possible_model_reasoning": [
        "No visible creed, serial, Coach wordmark, or hangtag prevents a Coach model match.",
        "The flap, decorative turnlock, glossy leather, and multi-compartment interior do not closely fit the documented City Bag, Court, Willis, Station, or Stewardess constructions.",
        "Condition: Good; visible scratches, gloss variation, edge wear, and interior discoloration are present in photos 1-4; odor, mold, and full bottom condition are unknown.",
        "No Coach identifier visible so no ranked model match; silhouette with pointed hasp and accordion gussets does not fit Court (9870), Station (5130), Willis (9927), City Bag (9790) or Dinky (9375); Condition: Very Good to Good; photo 1-2 show glossy patina with light scratches and edge wear, photo 3 shows edge wear on gussets, photo 4 interior looks clean but bottom corners and strap fold not 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": true,
        "hangtag_present": false,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: bright gold-tone elongated decorative turnlock; photo 4: gold-tone zipper hardware visible, with no legible brand stamp",
        "leather_description": "photos 1-3: dark burgundy-brown leather or leather-like material with a very glossy finish, edge wear, creasing, and visible scratches",
        "lining_description": "photo 4: light beige fabric or synthetic lining with discoloration and wear; interior construction includes multiple compartments and a zip pocket",
        "strap_construction": "photos 1-3: long adjustable-looking shoulder strap with stitched edges and gold-tone attachment hardware; wear and surface cracking or rubbing are visible near folds",
        "stitching_description": "photos 1-4: visible perimeter stitching is generally even but appears utilitarian; some edge wear and loose-looking thread are visible inside"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0028,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.08,
                "vintage_probability": 0.45,
                "authenticity_confidence": 0.07,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: leather shoulder bag with a flap, long strap, and brass-tone hardware is the general type in which vintage Coach examples can occur",
                    "photo 4: interior shows multiple compartments and a zippered pocket, indicating a constructed handbag rather than a non-handbag item"
                ],
                "negative_evidence": [
                    "photo 1: turnlock is ornate and elongated with a bright plated appearance, unlike the restrained vintage Coach turnlock geometry",
                    "photo 1: leather has a very glossy, heavily finished surface rather than the matte-to-satin glove-tanned appearance typical of classic vintage Coach",
                    "photo 4: interior is fabric-lined with light-colored panels; this does not match the usual unlined suede-back construction of many classic Coach flap bags",
                    "photos 1-5: no legible COACH wordmark, horse-and-carriage mark, hangtag, creed patch, or other Coach identifier is visible",
                    "photo 3: construction appears to be a generic multi-compartment satchel design and does not closely match the listed classic Coach silhouettes"
                ],
                "missing_information": [
                    "Straight-on close-up of every interior wall and pocket to confirm whether a creed patch or fabric brand tag is present",
                    "Close-up of the turnlock front and back, zipper pull, and all hardware markings",
                    "Full strap, attachment points, bottom, and all four corners",
                    "Seller-stated dimensions and a clear photo of any interior label"
                ],
                "authenticity_concerns": [
                    "photo 1: bright, decorative turnlock is a lookalike-style cue and is inconsistent with typical vintage Coach classic hardware",
                    "photos 1 and 4: glossy finished exterior combined with a light fabric-lined, multi-compartment interior provides no visible Coach-specific construction evidence"
                ],
                "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: bright gold-tone elongated decorative turnlock; photo 4: gold-tone zipper hardware visible, with no legible brand stamp",
                    "leather_description": "photos 1-3: dark burgundy-brown leather or leather-like material with a very glossy finish, edge wear, creasing, and visible scratches",
                    "lining_description": "photo 4: light beige fabric or synthetic lining with discoloration and wear; interior construction includes multiple compartments and a zip pocket",
                    "strap_construction": "photos 1-3: long adjustable-looking shoulder strap with stitched edges and gold-tone attachment hardware; wear and surface cracking or rubbing are visible near folds",
                    "stitching_description": "photos 1-4: visible perimeter stitching is generally even but appears utilitarian; some edge wear and loose-looking thread are visible inside"
                },
                "possible_model_reasoning": [
                    "No visible creed, serial, Coach wordmark, or hangtag prevents a Coach model match.",
                    "The flap, decorative turnlock, glossy leather, and multi-compartment interior do not closely fit the documented City Bag, Court, Willis, Station, or Stewardess constructions.",
                    "Condition: Good; visible scratches, gloss variation, edge wear, and interior discoloration are present in photos 1-4; odor, mold, and full bottom condition are unknown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 45
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.18,
                "coach_probability": 0.2,
                "confidence": 0.62,
                "estimated_era": "unknown",
                "estimated_resale_high": 45,
                "estimated_resale_low": 20,
                "image_quality_score": 0.68,
                "is_handbag_probability": 0.98,
                "missing_information": [
                    "photo of interior back wall \/ slip pocket straight-on for creed patch in raking light",
                    "creed close-up filling frame and Made-in line",
                    "bottom view showing all four corners and edge wear",
                    "hardware close-ups: closure front\/back plate, strap clips, zipper pull brand stamp",
                    "hangtag both faces if present",
                    "seller-stated dimensions and weight for scale"
                ],
                "negative_evidence": [
                    "photo 1: closure is small pointed hasp\/tuck tab, not Coach wide oval thin turnlock with rounded tab and plain keeper",
                    "photo 1, photo 2: no COACH wordmark, horse-and-carriage, or hangtag visible on exterior, strap or hardware",
                    "photo 4: no creed patch visible on interior wall or zip pocket; interior shown but no stamped leather patch",
                    "photo 1, photo 2, photo 3: silhouette - structured envelope flap with accordion multi-gusset body - does not match catalog Court (9870), Station (5130), City Bag (9790), Willis (9927) flap + turnlock layouts",
                    "photo 1, photo 2: high-gloss smooth finish unlike matte-to-satin glove-tanned cowhide with natural grain"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: small brass-tone pointed hasp\/clasp at flap center; photo 1, photo 2: brass-tone side rings and buckle-adjustable strap slide; tone consistent but geometry is pointed, not Coach oval turnlock",
                    "leather_description": "photo 1, photo 2: dark brown smooth leather with high gloss and burnished patina, structured; photo 3: dark edge coats with light wear; not clearly matte glove-tanned grain due to glare",
                    "lining_description": "photo 4: light tan suede-like unlined interior with zip pocket and slip pocket; no fabric print, no creed visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1, photo 2: tone-matched straight edge stitching around flap perimeter; no mismatched thread visible in resolution",
                    "strap_construction": "photo 1, photo 2: thin flat leather shoulder strap, buckle-adjustable, attached via small brass rings\/loops at sides",
                    "turnlock_present": true
                },
                "positive_evidence": [
                    "photo 1, photo 2: leather flap shoulder bag with brass-tone hardware, population where misidentified vintage hides",
                    "photo 4: unlined suede-side interior with interior zip pocket under flap, consistent with vintage unlined construction in general",
                    "photo 1, photo 2, photo 3: tone-matched stitching and wrapped edges, solid-color leather with no logo print"
                ],
                "possible_model_reasoning": [
                    "No Coach identifier visible so no ranked model match; silhouette with pointed hasp and accordion gussets does not fit Court (9870), Station (5130), Willis (9927), City Bag (9790) or Dinky (9375); Condition: Very Good to Good; photo 1-2 show glossy patina with light scratches and edge wear, photo 3 shows edge wear on gussets, photo 4 interior looks clean but bottom corners and strap fold not shown so capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 15,
                "seller_misidentification_probability": 0.2,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 27096,
            "output_tokens": 886,
            "total_tokens": 27982,
            "estimated_cost_usd": 0.012965
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 28839,
            "output_tokens": 1730,
            "total_tokens": 30569,
            "estimated_cost_usd": 0.007152
        }
    ]
}