Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.025,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.025,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.055,
    "confidence": 0.84,
    "recommended_max_bid": 11,
    "estimated_resale_low": 12.5,
    "estimated_resale_high": 37.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: clearly a handbag with two top handles, zip-top construction, and detachable shoulder-strap attachment points",
        "photo 3: brown leather-like exterior and visible machine stitching",
        "photo 3-4: leather handbag form that was triaged for Coach check"
    ],
    "negative_evidence": [
        "photo 1: adjustable strap uses a wide woven geometric textile strap with dark plated hardware, not typical vintage Coach brass construction",
        "photo 3: generic satchel silhouette with prominent dark metal rivets and no Coach wordmark, horse-and-carriage, hangtag, or creed visible",
        "photo 4: product imagery and tablet-size graphic indicate a new modern commercial bag rather than a vintage Coach listing",
        "photo 5: visible zipper and hardware are dark\/silver-tone and generic; no period Coach markings are visible",
        "listing text: seller identifies the item as Unbranded and describes it as brand new",
        "photo 3-4: zip-top satchel with riveted top handles and gunmetal hardware - no Coach silhouette, no turnlock, no hangtag",
        "photo 1-2: wide woven patterned fabric guitar strap with gunmetal swivel hooks - not vintage Coach leather strap with brass dogleash clips",
        "photo 3-5: no COACH wordmark, horse-and-carriage, or creed patch visible on exterior, zipper pulls, or bottom",
        "photo 5: gunmetal\/silver-tone zipper, rivets and bottom feet - not solid brass vintage Coach hardware",
        "photo 3-5: modern burnished smooth leather with center seam and riveted handle tabs - not unlined glove-tanned classic construction",
        "seller text states Brand new, Unbranded, vintage-inspired - no Coach identifiers claimed"
    ],
    "missing_information": [
        "photo 3: interior, lining, and any interior leather creed or fabric label are not shown",
        "photo 3: bottom and full corner-condition views are incomplete",
        "photo 1: strap hardware is shown, but no Coach marking is visible on the strap or clips",
        "photo 2: no close-up of any brand stamp, zipper pull, or interior tag",
        "creed patch \/ interior wall not shown - photo 3-5 show exterior only, no interior view",
        "no close-up of any brand stamp, hangtag, or hardware engraving",
        "lining type not visible - interior never shown",
        "no view of fabric tags or made-in country"
    ],
    "authenticity_concerns": [
        "photo 3: the modern generic satchel construction, dark plated hardware, and lack of Coach identifiers are inconsistent with a vintage Coach classic",
        "photo 1: the wide patterned textile strap and dark hardware are not consistent with the usual solid-brass hardware and leather strap construction of the cited vintage Coach models"
    ],
    "possible_model_reasoning": [
        "The silhouette is a generic modern zip-top satchel and does not closely establish a catalog vintage Coach model.",
        "No creed, serial\/style number, Coach wordmark, horse-and-carriage, or hangtag is visible, so there is no Coach-specific basis for assigning a model or era.",
        "Condition: advertised brand new; the photos are commercial product images, and wear, interior condition, odor, and lining condition cannot be independently verified.",
        "No Coach model fits: zip-top satchel with riveted handles, gunmetal hardware and woven guitar strap does not match City Bag, Court, Station, Willis or other classics which use flap + brass turnlock and leather strap",
        "No creed, serial, wordmark, hangtag or brass hardware to decode era from; construction and hardware indicate modern non-Coach manufacture",
        "Condition: New per seller text and clean exterior in photos 3-5; interior, bottom corners and strap wear not assessable from stock-style images 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": "photo 1: dark plated strap clips, rectangular adjuster, and buckle; photo 3: dark\/silver-tone rivets and zipper hardware; no Coach engraving visible",
        "leather_description": "photo 3: brown smooth-to lightly textured leather-like exterior with visible creasing and tonal variation; seller states vegetable-tanned leather, but this is not independently verifiable from photos",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: wide woven geometric textile adjustable strap with dark metal swivel clips and rectangular adjuster",
        "stitching_description": "photos 3 and 5: visible contrasting light stitching appears generally straight and machine-produced; detailed stress-point stitching is not fully assessable"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.03,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.03,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: clearly a handbag with two top handles, zip-top construction, and detachable shoulder-strap attachment points",
                    "photo 3: brown leather-like exterior and visible machine stitching"
                ],
                "negative_evidence": [
                    "photo 1: adjustable strap uses a wide woven geometric textile strap with dark plated hardware, not typical vintage Coach brass construction",
                    "photo 3: generic satchel silhouette with prominent dark metal rivets and no Coach wordmark, horse-and-carriage, hangtag, or creed visible",
                    "photo 4: product imagery and tablet-size graphic indicate a new modern commercial bag rather than a vintage Coach listing",
                    "photo 5: visible zipper and hardware are dark\/silver-tone and generic; no period Coach markings are visible",
                    "listing text: seller identifies the item as Unbranded and describes it as brand new"
                ],
                "missing_information": [
                    "photo 3: interior, lining, and any interior leather creed or fabric label are not shown",
                    "photo 3: bottom and full corner-condition views are incomplete",
                    "photo 1: strap hardware is shown, but no Coach marking is visible on the strap or clips",
                    "photo 2: no close-up of any brand stamp, zipper pull, or interior tag"
                ],
                "authenticity_concerns": [
                    "photo 3: the modern generic satchel construction, dark plated hardware, and lack of Coach identifiers are inconsistent with a vintage Coach classic",
                    "photo 1: the wide patterned textile strap and dark hardware are not consistent with the usual solid-brass hardware and leather strap construction of the cited vintage Coach models"
                ],
                "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": "photo 1: dark plated strap clips, rectangular adjuster, and buckle; photo 3: dark\/silver-tone rivets and zipper hardware; no Coach engraving visible",
                    "leather_description": "photo 3: brown smooth-to lightly textured leather-like exterior with visible creasing and tonal variation; seller states vegetable-tanned leather, but this is not independently verifiable from photos",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: wide woven geometric textile adjustable strap with dark metal swivel clips and rectangular adjuster",
                    "stitching_description": "photos 3 and 5: visible contrasting light stitching appears generally straight and machine-produced; detailed stress-point stitching is not fully assessable"
                },
                "possible_model_reasoning": [
                    "The silhouette is a generic modern zip-top satchel and does not closely establish a catalog vintage Coach model.",
                    "No creed, serial\/style number, Coach wordmark, horse-and-carriage, or hangtag is visible, so there is no Coach-specific basis for assigning a model or era.",
                    "Condition: advertised brand new; the photos are commercial product images, and wear, interior condition, odor, and lining condition cannot be independently verified."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 45
            }
        },
        {
            "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": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "creed patch \/ interior wall not shown - photo 3-5 show exterior only, no interior view",
                    "no close-up of any brand stamp, hangtag, or hardware engraving",
                    "lining type not visible - interior never shown",
                    "no view of fabric tags or made-in country"
                ],
                "negative_evidence": [
                    "photo 3-4: zip-top satchel with riveted top handles and gunmetal hardware - no Coach silhouette, no turnlock, no hangtag",
                    "photo 1-2: wide woven patterned fabric guitar strap with gunmetal swivel hooks - not vintage Coach leather strap with brass dogleash clips",
                    "photo 3-5: no COACH wordmark, horse-and-carriage, or creed patch visible on exterior, zipper pulls, or bottom",
                    "photo 5: gunmetal\/silver-tone zipper, rivets and bottom feet - not solid brass vintage Coach hardware",
                    "photo 3-5: modern burnished smooth leather with center seam and riveted handle tabs - not unlined glove-tanned classic construction",
                    "seller text states Brand new, Unbranded, vintage-inspired - no Coach identifiers claimed"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gunmetal \/ dark nickel-tone zipper, round rivets on handle tabs, bottom feet, and swivel snap hooks on strap; no brass, no turnlock",
                    "leather_description": "medium-brown smooth burnished leather with grain texture, shiny finish; top handles with riveted tabs",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight contrast stitching along center seam and handle tabs visible in photo 3 and 5; no detailed stitch assessment",
                    "strap_construction": "two short top handles plus detachable wide woven fabric shoulder strap with diamond pattern in tan\/white and adjustable slider, gunmetal clips",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 3-4: leather handbag form that was triaged for Coach check"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: zip-top satchel with riveted handles, gunmetal hardware and woven guitar strap does not match City Bag, Court, Station, Willis or other classics which use flap + brass turnlock and leather strap",
                    "No creed, serial, wordmark, hangtag or brass hardware to decode era from; construction and hardware indicate modern non-Coach manufacture",
                    "Condition: New per seller text and clean exterior in photos 3-5; interior, bottom corners and strap wear not assessable from stock-style images so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 868,
            "total_tokens": 18646,
            "estimated_cost_usd": 0.009194
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18287,
            "output_tokens": 1211,
            "total_tokens": 19498,
            "estimated_cost_usd": 0.004626
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}