Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.865,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a shoulder hobo handbag with a zippered top and long strap.",
        "photo 2: bag construction and attached strap are visible in reasonable focus."
    ],
    "negative_evidence": [
        "photo 1: body appears to be synthetic mesh or coated textile rather than Coach glove-tanned leather.",
        "photo 1: extensive stud and rivet decoration, including silver-tone hardware, is not characteristic of the classic vintage Coach styles relevant here.",
        "photo 2: hardware is silver-tone rings and zipper components rather than the solid brass hardware typical of many vintage Coach classics.",
        "photo 4: exterior back shows synthetic-looking textile construction and a rear zip pocket, with no visible Coach branding.",
        "photo 5: no COACH wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier is visible.",
        "listing title and seller brand identify it only as an unbranded studded hobo; this is weak context, not brand evidence.",
        "photo 1, photo 2: all-over pyramid \/ dome stud decoration inconsistent with vintage Coach classics",
        "photo 4, photo 5: black coated \/ synthetic-appearing material with pebbled sheen, not glove-tanned cowhide",
        "photo 1, photo 2, photo 3: silver-tone O-ring strap hardware, not solid brass vintage hardware",
        "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1-5: no turnlock; zip-top hobo silhouette with exterior zip pocket does not match catalog Coach classics"
    ],
    "missing_information": [
        "Interior view with the bag emptied, especially the back wall, pocket, labels, and any creed patch.",
        "Close-up photographs of all interior and exterior labels, zipper pull, and hardware markings.",
        "Bottom, side seams, strap attachment points, and stitching close-ups.",
        "Seller-stated material, dimensions, country of manufacture, and any odor or damage information.",
        "photo of emptied interior and lining",
        "close-up of any interior leather patch or fabric brand tag",
        "close-up of zipper pull brand stamp"
    ],
    "authenticity_concerns": [
        "The visible synthetic\/textile construction and decorative stud layout are inconsistent with a vintage glove-tanned Coach classic.",
        "No Coach identifier is visible in the supplied photos; the bag appears to be a generic or fashion-brand studded hobo rather than a Coach product."
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic modern studded hobo and does not closely match the listed vintage Coach glove-tanned models.",
        "The visible synthetic material and silver-tone ring hardware suggest a modern non-Coach fashion bag; no Coach style-number or creed-based model match is possible.",
        "Condition appears Good based on visible creasing and handling wear, though the interior and functional condition are not shown.",
        "No Coach identifiers visible in any photo, construction in coated synthetic-like material with fashion studs and silver-tone hardware is inconsistent with 1970s-1990s Coach glove-tanned brass-hardware bags",
        "Condition: Very Good to Excellent as fashion bag; surface intact, studs present, bottom clean in photo 4, interior unknown so grade 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": "Silver-tone circular strap rings, zipper hardware, and numerous silver and gold-tone studs\/rivets are visible; no Coach engraving is legible.",
        "leather_description": "Appears to be black synthetic mesh, coated textile, or faux leather with a fine patterned surface; genuine leather is not visually supported.",
        "lining_description": "not_visible",
        "strap_construction": "Single attached black strap with stitched synthetic-looking material and silver-tone ring attachments; adjustment construction is not clearly visible.",
        "stitching_description": "Visible perimeter and strap stitching appears machine-stitched and generally even; detailed stress-point construction is not fully assessable."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0005,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.04,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a shoulder hobo handbag with a zippered top and long strap.",
                    "photo 2: bag construction and attached strap are visible in reasonable focus."
                ],
                "negative_evidence": [
                    "photo 1: body appears to be synthetic mesh or coated textile rather than Coach glove-tanned leather.",
                    "photo 1: extensive stud and rivet decoration, including silver-tone hardware, is not characteristic of the classic vintage Coach styles relevant here.",
                    "photo 2: hardware is silver-tone rings and zipper components rather than the solid brass hardware typical of many vintage Coach classics.",
                    "photo 4: exterior back shows synthetic-looking textile construction and a rear zip pocket, with no visible Coach branding.",
                    "photo 5: no COACH wordmark, horse-and-carriage, hangtag, creed patch, or other Coach identifier is visible.",
                    "listing title and seller brand identify it only as an unbranded studded hobo; this is weak context, not brand evidence."
                ],
                "missing_information": [
                    "Interior view with the bag emptied, especially the back wall, pocket, labels, and any creed patch.",
                    "Close-up photographs of all interior and exterior labels, zipper pull, and hardware markings.",
                    "Bottom, side seams, strap attachment points, and stitching close-ups.",
                    "Seller-stated material, dimensions, country of manufacture, and any odor or damage information."
                ],
                "authenticity_concerns": [
                    "The visible synthetic\/textile construction and decorative stud layout are inconsistent with a vintage glove-tanned Coach classic.",
                    "No Coach identifier is visible in the supplied photos; the bag appears to be a generic or fashion-brand studded hobo rather than a Coach product."
                ],
                "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": "Silver-tone circular strap rings, zipper hardware, and numerous silver and gold-tone studs\/rivets are visible; no Coach engraving is legible.",
                    "leather_description": "Appears to be black synthetic mesh, coated textile, or faux leather with a fine patterned surface; genuine leather is not visually supported.",
                    "lining_description": "not_visible",
                    "strap_construction": "Single attached black strap with stitched synthetic-looking material and silver-tone ring attachments; adjustment construction is not clearly visible.",
                    "stitching_description": "Visible perimeter and strap stitching appears machine-stitched and generally even; detailed stress-point construction is not fully assessable."
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic modern studded hobo and does not closely match the listed vintage Coach glove-tanned models.",
                    "The visible synthetic material and silver-tone ring hardware suggest a modern non-Coach fashion bag; no Coach style-number or creed-based model match is possible.",
                    "Condition appears Good based on visible creasing and handling wear, though the interior and functional condition are not shown."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "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": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo of emptied interior and lining",
                    "close-up of any interior leather patch or fabric brand tag",
                    "close-up of zipper pull brand stamp"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: all-over pyramid \/ dome stud decoration inconsistent with vintage Coach classics",
                    "photo 4, photo 5: black coated \/ synthetic-appearing material with pebbled sheen, not glove-tanned cowhide",
                    "photo 1, photo 2, photo 3: silver-tone O-ring strap hardware, not solid brass vintage hardware",
                    "photo 1-5: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1-5: no turnlock; zip-top hobo silhouette with exterior zip pocket does not match catalog Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "silver-tone O-rings at strap attachments, mixed silver and brass-tone decorative studs\/rivets, top zip with small chain pull",
                    "leather_description": "black coated-appearing material with shiny pebbled \/ mesh-like surface texture, not glove-tanned leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight edge stitching visible on strap (photo 3) and bottom trim (photo 4), no contrast thread noted",
                    "strap_construction": "single wide shoulder strap attached via metal O-rings with riveted tabs",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach identifiers visible in any photo, construction in coated synthetic-like material with fashion studs and silver-tone hardware is inconsistent with 1970s-1990s Coach glove-tanned brass-hardware bags",
                    "Condition: Very Good to Excellent as fashion bag; surface intact, studs present, bottom clean in photo 4, interior unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 26500,
            "output_tokens": 761,
            "total_tokens": 27261,
            "estimated_cost_usd": 0.012426
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 27642,
            "output_tokens": 1185,
            "total_tokens": 28827,
            "estimated_cost_usd": 0.006476
        }
    ]
}