Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.52,
    "seller_misidentification_probability": 0.1,
    "confidence": 0.815,
    "recommended_max_bid": 11,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: The bag is a large satchel\/handbag, but its heavily distressed metallic silver finish, numerous long dangling leather laces, front zip pocket, and decorative strap-and-buckle details do not match the documented classic Coach City Bag construction.",
        "photo 1: The visible hardware appears silver-tone\/plated rather than the solid brass hardware expected on most vintage City Bags.",
        "photo 1: The prominent rectangular hanging tag is blank or unreadable and does not visibly show COACH; no Coach wordmark or horse-and-carriage is visible.",
        "photo 1: The listing provides only a staged stock-style exterior image and shows no Coach identifier.",
        "photo 1: moto \/ biker silhouette with studded handle plates, front zip pocket with tassel pulls, buckle-detail side panels and hanging mirror tag - Balenciaga City style, not any Coach catalog silhouette",
        "photo 1: gunmetal \/ dark nickel rivet hardware throughout, no solid brass turnlock, no brass dogleash clips",
        "photo 1: distressed crinkled grey leather with sheen, not vintage Coach glove-tanned cowhide with suede-back unlined interior",
        "photo 1-3: no COACH wordmark, no horse-and-carriage, no creed patch, no COACH hangtag visible",
        "photo 1-3: three near-duplicate lifestyle crops only, no interior, bottom, hardware macro or scale views"
    ],
    "missing_information": [
        "photo 1: Interior, creed patch, fabric labels, and any serial\/style tag are not shown.",
        "A straight-on close-up of the interior back wall and pockets is needed to check for a creed.",
        "Close-ups of the hanging tag, zipper pulls, hardware, bottom, corners, and strap construction are needed.",
        "Seller-provided dimensions and material information are absent.",
        "photo 1: interior, creed patch, lining and Made-in line not shown - request emptied interior and close-up of any stamped patch",
        "photo 1: bottom, back, side views and corners not shown",
        "photo 1: hardware engravings, zipper-pull brand stamp and turnlock (none visible) close-ups not shown",
        "photo 1: strap \/ shoulder strap full length, buckle holes and clips not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The silhouette and decorative details appear more consistent with a generic or lookalike fashion satchel than a Coach City Bag.",
        "photo 1: The metallic distressed finish and multiple extended laces are inconsistent with the documented glove-tanned leather City Bag profile.",
        "photo 1: The only supplied image appears to be a promotional\/model photo, so construction and brand identifiers cannot be verified."
    ],
    "possible_model_reasoning": [
        "The seller title calls it a 'City Bag,' but seller terminology is unverified and the visible bag does not closely match Coach City Bag 9790 details.",
        "The visible exterior has no readable Coach identifier, so no Coach model can be assigned.",
        "Condition cannot be reliably graded because only a staged exterior photo is supplied; interior, bottom, corners, and functional hardware are not shown.",
        "Title 'City Bag' refers to Balenciaga City \/ Classic City moto bag, not Coach City Bag (9790) flap-turnlock crossbody - silhouette, rivets, tassel zips and mirror tag match Balenciaga type",
        "No Coach hard identifiers visible in any photo and construction (gunmetal hardware, moto details, distressed leather) inconsistent with 1970s-1990s Coach classics",
        "Condition: not gradable per Coach scale - lifestyle photos only, no corners, interior or strap detail; appears new-like in photos but cannot grade"
    ],
    "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": true,
        "creed_text": "not_visible",
        "serial_or_style_number": "not_visible",
        "hardware_description": "photo 1: Silver-tone hardware, zipper, rivets, buckles, and a rectangular hanging tag are visible; the tag's text is not legible.",
        "leather_description": "photo 1: Light silver metallic, heavily distressed or crinkled-looking material; exact material cannot be confirmed.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Two short top handles and long narrow decorative\/drawstring-like leather laces are visible; a detachable shoulder strap is not clearly shown.",
        "stitching_description": "photo 1: Exterior stitching is visible but fine construction quality and stress points cannot be assessed from this staged view."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.74,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: The bag is a large satchel\/handbag, but its heavily distressed metallic silver finish, numerous long dangling leather laces, front zip pocket, and decorative strap-and-buckle details do not match the documented classic Coach City Bag construction.",
                    "photo 1: The visible hardware appears silver-tone\/plated rather than the solid brass hardware expected on most vintage City Bags.",
                    "photo 1: The prominent rectangular hanging tag is blank or unreadable and does not visibly show COACH; no Coach wordmark or horse-and-carriage is visible.",
                    "photo 1: The listing provides only a staged stock-style exterior image and shows no Coach identifier."
                ],
                "missing_information": [
                    "photo 1: Interior, creed patch, fabric labels, and any serial\/style tag are not shown.",
                    "A straight-on close-up of the interior back wall and pockets is needed to check for a creed.",
                    "Close-ups of the hanging tag, zipper pulls, hardware, bottom, corners, and strap construction are needed.",
                    "Seller-provided dimensions and material information are absent."
                ],
                "authenticity_concerns": [
                    "photo 1: The silhouette and decorative details appear more consistent with a generic or lookalike fashion satchel than a Coach City Bag.",
                    "photo 1: The metallic distressed finish and multiple extended laces are inconsistent with the documented glove-tanned leather City Bag profile.",
                    "photo 1: The only supplied image appears to be a promotional\/model photo, so construction and brand identifiers cannot be verified."
                ],
                "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 1: Silver-tone hardware, zipper, rivets, buckles, and a rectangular hanging tag are visible; the tag's text is not legible.",
                    "leather_description": "photo 1: Light silver metallic, heavily distressed or crinkled-looking material; exact material cannot be confirmed.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Two short top handles and long narrow decorative\/drawstring-like leather laces are visible; a detachable shoulder strap is not clearly shown.",
                    "stitching_description": "photo 1: Exterior stitching is visible but fine construction quality and stress points cannot be assessed from this staged view."
                },
                "possible_model_reasoning": [
                    "The seller title calls it a 'City Bag,' but seller terminology is unverified and the visible bag does not closely match Coach City Bag 9790 details.",
                    "The visible exterior has no readable Coach identifier, so no Coach model can be assigned.",
                    "Condition cannot be reliably graded because only a staged exterior photo is supplied; interior, bottom, corners, and functional hardware are not shown."
                ],
                "confidence": 0.78,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "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": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.3,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 1: interior, creed patch, lining and Made-in line not shown - request emptied interior and close-up of any stamped patch",
                    "photo 1: bottom, back, side views and corners not shown",
                    "photo 1: hardware engravings, zipper-pull brand stamp and turnlock (none visible) close-ups not shown",
                    "photo 1: strap \/ shoulder strap full length, buckle holes and clips not shown"
                ],
                "negative_evidence": [
                    "photo 1: moto \/ biker silhouette with studded handle plates, front zip pocket with tassel pulls, buckle-detail side panels and hanging mirror tag - Balenciaga City style, not any Coach catalog silhouette",
                    "photo 1: gunmetal \/ dark nickel rivet hardware throughout, no solid brass turnlock, no brass dogleash clips",
                    "photo 1: distressed crinkled grey leather with sheen, not vintage Coach glove-tanned cowhide with suede-back unlined interior",
                    "photo 1-3: no COACH wordmark, no horse-and-carriage, no creed patch, no COACH hangtag visible",
                    "photo 1-3: three near-duplicate lifestyle crops only, no interior, bottom, hardware macro or scale views"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": true,
                    "hardware_description": "photo 1: dark gunmetal-tone round rivets\/studs on handle attachments and body, front zipper with long leather tassel pulls, small buckle detail at lower front; no turnlock; no COACH engraving visible",
                    "leather_description": "photo 1: light grey crinkled \/ distressed-look leather with wrinkled texture and slight sheen",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - edge stitching visible but too low resolution to assess tightness or thread match",
                    "strap_construction": "photo 1: two short braided top handles with riveted mounts; no detachable crossbody strap shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Title 'City Bag' refers to Balenciaga City \/ Classic City moto bag, not Coach City Bag (9790) flap-turnlock crossbody - silhouette, rivets, tassel zips and mirror tag match Balenciaga type",
                    "No Coach hard identifiers visible in any photo and construction (gunmetal hardware, moto details, distressed leather) inconsistent with 1970s-1990s Coach classics",
                    "Condition: not gradable per Coach scale - lifestyle photos only, no corners, interior or strap detail; appears new-like in photos but cannot grade"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17425,
            "output_tokens": 682,
            "total_tokens": 18107,
            "estimated_cost_usd": 0.008607
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17720,
            "output_tokens": 1371,
            "total_tokens": 19091,
            "estimated_cost_usd": 0.004641
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}