Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.025,
    "vintage_probability": 0.215,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.82,
    "recommended_max_bid": 12.5,
    "estimated_resale_low": 10,
    "estimated_resale_high": 32.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a shoulder handbag with leather-look trim and two shoulder straps",
        "photo 4: an interior fabric label is visible, but its text is too small and unclear to identify as Coach"
    ],
    "negative_evidence": [
        "photo 1: no visible Coach wordmark, horse-and-carriage, hangtag, creed patch, or recognizable Coach hardware",
        "photo 4: brightly printed textile lining is inconsistent with classic vintage Coach glove-tanned, usually unlined construction",
        "photo 1: the black-and-tan tote silhouette and dark rectangular zipper hardware are generic rather than a clearly identifiable Coach model",
        "listing title: seller identifies the bag as Island Imports and Indonesia, not Coach; this is weak contextual evidence only",
        "photo 1, photo 2, photo 3: no turnlock, no brass hardware, no hangtag, no COACH wordmark visible",
        "photo 4: interior has orange\/brown batik-print fabric lining, not unlined suede-back glove-tanned leather of vintage Coach classics",
        "photo 4: small light fabric brand tag inside pocket reads like Island brand, consistent with seller title Island Imports Indonesia, not a Coach creed patch",
        "photo 1, photo 2, photo 3: two-tone black body with tan trim\/base\/straps and exterior zip pocket with tan frame - silhouette does not match any Coach catalog style",
        "title states Indonesia maker; no NYC\/US\/Costa Rica\/Italy Coach origin cue"
    ],
    "missing_information": [
        "Straight-on close-up of the interior label, filling the frame",
        "Close-up of all hardware and zipper pulls for any brand engraving",
        "Full interior view, including every pocket and seam",
        "Close-up of the leather or material surface and bottom corners",
        "Seller-stated material confirmation: genuine leather versus synthetic or coated material",
        "photo 5-6: bottom and corner close-ups not shown to refine condition grade",
        "photo 4: fabric brand tag text only partly legible; straight-on photo would confirm maker"
    ],
    "authenticity_concerns": [
        "No visible Coach identifiers support Coach manufacture; the bag appears more consistent with an Indonesian\/import shoulder bag than a vintage Coach classic",
        "Printed textile lining and generic construction do not match the expected construction of a vintage Coach glove-tanned classic"
    ],
    "possible_model_reasoning": [
        "No Coach model is reasonably supported because the probability of Coach manufacture is very low and no Coach identifier is visible.",
        "The tote\/shoulder-bag shape is generic and does not establish a match to City Bag, Willis, Court, or another Coach style.",
        "Condition: Good to Very Good based on visible surface scuffing and wear to the black panel and tan trim; the full bottom, strap stress points, and odor are not assessable.",
        "No Coach model fits: no creed, no turnlock, lined batik interior, Island Imports tag and two-tone bucket\/tote shape are inconsistent with City Bag, Court, Station, Willis and other classics",
        "Seller title Island Imports Indonesia explains maker; consistent with interior fabric tag in photo 4",
        "Condition: Good to Very Good; visible surface scuffing and wear on black leather (photo 2, photo 3), straps intact but worn, interior lining appears intact (photo 4)"
    ],
    "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": "Dark metal zipper hardware is visible in photos 1, 3, and 4; no Coach engraving is legible. No turnlock or hangtag is visible.",
        "leather_description": "Brown\/tan trim appears leather or leather-like, with a black central panel; material cannot be confirmed from photos.",
        "lining_description": "Photo 4: orange\/brown patterned textile lining with multiple zipper compartments; no legible Coach creed is visible.",
        "strap_construction": "Photo 1: two long fixed shoulder straps attached to the upper trim; stitching is visible but strap underside and attachment details are not fully shown.",
        "stitching_description": "Photos 1-4: generally visible, fairly regular topstitching along the tan trim and straps; detailed stress-point stitching is not fully assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0047,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.03,
                "vintage_probability": 0.08,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a shoulder handbag with leather-look trim and two shoulder straps",
                    "photo 4: an interior fabric label is visible, but its text is too small and unclear to identify as Coach"
                ],
                "negative_evidence": [
                    "photo 1: no visible Coach wordmark, horse-and-carriage, hangtag, creed patch, or recognizable Coach hardware",
                    "photo 4: brightly printed textile lining is inconsistent with classic vintage Coach glove-tanned, usually unlined construction",
                    "photo 1: the black-and-tan tote silhouette and dark rectangular zipper hardware are generic rather than a clearly identifiable Coach model",
                    "listing title: seller identifies the bag as Island Imports and Indonesia, not Coach; this is weak contextual evidence only"
                ],
                "missing_information": [
                    "Straight-on close-up of the interior label, filling the frame",
                    "Close-up of all hardware and zipper pulls for any brand engraving",
                    "Full interior view, including every pocket and seam",
                    "Close-up of the leather or material surface and bottom corners",
                    "Seller-stated material confirmation: genuine leather versus synthetic or coated material"
                ],
                "authenticity_concerns": [
                    "No visible Coach identifiers support Coach manufacture; the bag appears more consistent with an Indonesian\/import shoulder bag than a vintage Coach classic",
                    "Printed textile lining and generic construction do not match the expected construction of a vintage Coach glove-tanned classic"
                ],
                "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": "Dark metal zipper hardware is visible in photos 1, 3, and 4; no Coach engraving is legible. No turnlock or hangtag is visible.",
                    "leather_description": "Brown\/tan trim appears leather or leather-like, with a black central panel; material cannot be confirmed from photos.",
                    "lining_description": "Photo 4: orange\/brown patterned textile lining with multiple zipper compartments; no legible Coach creed is visible.",
                    "strap_construction": "Photo 1: two long fixed shoulder straps attached to the upper trim; stitching is visible but strap underside and attachment details are not fully shown.",
                    "stitching_description": "Photos 1-4: generally visible, fairly regular topstitching along the tan trim and straps; detailed stress-point stitching is not fully assessable."
                },
                "possible_model_reasoning": [
                    "No Coach model is reasonably supported because the probability of Coach manufacture is very low and no Coach identifier is visible.",
                    "The tote\/shoulder-bag shape is generic and does not establish a match to City Bag, Willis, Court, or another Coach style.",
                    "Condition: Good to Very Good based on visible surface scuffing and wear to the black panel and tan trim; the full bottom, strap stress points, and odor are not assessable."
                ],
                "confidence": 0.79,
                "recommended_max_bid": 15,
                "estimated_resale_low": 10,
                "estimated_resale_high": 40
            }
        },
        {
            "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": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 5-6: bottom and corner close-ups not shown to refine condition grade",
                    "photo 4: fabric brand tag text only partly legible; straight-on photo would confirm maker"
                ],
                "negative_evidence": [
                    "photo 1, photo 2, photo 3: no turnlock, no brass hardware, no hangtag, no COACH wordmark visible",
                    "photo 4: interior has orange\/brown batik-print fabric lining, not unlined suede-back glove-tanned leather of vintage Coach classics",
                    "photo 4: small light fabric brand tag inside pocket reads like Island brand, consistent with seller title Island Imports Indonesia, not a Coach creed patch",
                    "photo 1, photo 2, photo 3: two-tone black body with tan trim\/base\/straps and exterior zip pocket with tan frame - silhouette does not match any Coach catalog style",
                    "title states Indonesia maker; no NYC\/US\/Costa Rica\/Italy Coach origin cue"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark-tone metal zipper pulls and exterior zipper; no solid brass turnlock, buckles, or dogleash clips visible",
                    "leather_description": "smooth two-tone leather - black body with tan\/british-tan trim, base and straps; surface shows wear\/scuffing, not glove-tanned patina",
                    "lining_description": "photo 4: fully lined in orange\/brown\/black batik\/paisley print fabric with zip compartments",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "contrast light stitching along tan trim and around exterior zip pocket, even but not Coach-matched-thread construction",
                    "strap_construction": "fixed double shoulder straps in tan with black underside, sewn directly to body, non-adjustable, no buckles or clips shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: no creed, no turnlock, lined batik interior, Island Imports tag and two-tone bucket\/tote shape are inconsistent with City Bag, Court, Station, Willis and other classics",
                    "Seller title Island Imports Indonesia explains maker; consistent with interior fabric tag in photo 4",
                    "Condition: Good to Very Good; visible surface scuffing and wear on black leather (photo 2, photo 3), straps intact but worn, interior lining appears intact (photo 4)"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.35
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 22061,
            "output_tokens": 787,
            "total_tokens": 22848,
            "estimated_cost_usd": 0.010713
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 22682,
            "output_tokens": 1249,
            "total_tokens": 23931,
            "estimated_cost_usd": 0.005536
        }
    ]
}