Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.865,
    "seller_misidentification_probability": 0.035,
    "confidence": 0.93,
    "recommended_max_bid": 9,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: bag is a canvas utility-style crossbody with a large sunflower graphic, unlike the leather or Coach signature-canvas construction expected of vintage Coach.",
        "photo 3: interior appears to use dark synthetic fabric lining and multiple utility compartments; no Coach creed patch or brand label is visible.",
        "photo 4: hardware appears to be ordinary plated buckles, snaps, and zipper pulls rather than vintage Coach solid-brass turnlock hardware.",
        "photo 6: listing dimensions and product imagery indicate a contemporary mass-market utility bag.",
        "photo 1: olive-green woven canvas body with printed sunflower and Live love laugh graphic - not glove-tanned leather, not Signature C canvas",
        "photo 3: flap closes with round magnetic snaps, not Coach turnlock",
        "photo 3: dark synthetic fabric interior lining, not unlined suede",
        "photo 4: fabric webbing crossbody strap with rectangular slide buckle, not leather strap with brass hardware",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 3: no readable interior brand label, creed, or fabric tag is shown.",
        "photo 4: zipper pulls and hardware are not shown in sufficient close-up to identify any maker markings.",
        "photo 1: bottom, seams, and strap attachments are not shown in detailed close-up.",
        "Seller-provided close-ups of every interior pocket and all labels would be needed for any stronger brand assessment.",
        "No Coach identifiers to verify - no creed patch, wordmark, or leather hangtag visible in any photo",
        "No hardware brand stamps visible"
    ],
    "authenticity_concerns": [
        "photo 1: sunflower graphic and utility styling are inconsistent with the classic vintage Coach handbag catalog.",
        "photo 3: synthetic-looking lining and multiple utility pockets are inconsistent with a typical vintage glove-tanned Coach classic.",
        "photo 4: no Coach identifiers are visible; the bag is best treated as an unbranded modern canvas bag rather than a misidentified Coach."
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a contemporary utility\/messenger crossbody with flap, side pockets, and a sunflower print, not a recognizable Coach City Bag, Willis, Court, Station, or Dinky.",
        "photo 3: interior organization and synthetic lining support a modern mass-market construction rather than a vintage unlined glove-tanned Coach classic.",
        "Condition: appears New or Like New in staged product photos, but stock\/lifestyle imagery prevents reliable assessment of actual used condition.",
        "Silhouette is modern canvas messenger\/satchel with flap + magnetic snaps and side zip pockets, not matching any vintage Coach catalog style",
        "Materials (canvas, webbing strap, fabric lining, magnetic snaps) are inconsistent with 1970s-1990s glove-tanned Coach construction per skill 3.1-3.2",
        "No hard identifiers (creed, serial, wordmark, hangtag, Talon\/YKK brass) observed in 6 photos",
        "Condition: appears New\/unused modern fast-fashion bag; no vintage patina or wear"
    ],
    "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 and photo 4: ordinary buckles, snaps, and zipper hardware in a subdued metallic tone; no Coach engraving is visible.",
        "leather_description": "photo 1: no leather body or leather trim is visible; body appears to be woven canvas or textile.",
        "lining_description": "photo 3 and photo 5: dark synthetic-looking fabric lining\/interior compartments are visible.",
        "strap_construction": "photo 1 and photo 4: wide textile adjustable shoulder strap with a rectangular adjustment buckle and textile attachment points.",
        "stitching_description": "photo 1 and photo 4: visible machine-stitched textile seams appear generally even; detailed stress-point stitching is not available."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.93,
                "seller_misidentification_probability": 0.06,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: bag is a canvas utility-style crossbody with a large sunflower graphic, unlike the leather or Coach signature-canvas construction expected of vintage Coach.",
                    "photo 3: interior appears to use dark synthetic fabric lining and multiple utility compartments; no Coach creed patch or brand label is visible.",
                    "photo 4: hardware appears to be ordinary plated buckles, snaps, and zipper pulls rather than vintage Coach solid-brass turnlock hardware.",
                    "photo 6: listing dimensions and product imagery indicate a contemporary mass-market utility bag."
                ],
                "missing_information": [
                    "photo 3: no readable interior brand label, creed, or fabric tag is shown.",
                    "photo 4: zipper pulls and hardware are not shown in sufficient close-up to identify any maker markings.",
                    "photo 1: bottom, seams, and strap attachments are not shown in detailed close-up.",
                    "Seller-provided close-ups of every interior pocket and all labels would be needed for any stronger brand assessment."
                ],
                "authenticity_concerns": [
                    "photo 1: sunflower graphic and utility styling are inconsistent with the classic vintage Coach handbag catalog.",
                    "photo 3: synthetic-looking lining and multiple utility pockets are inconsistent with a typical vintage glove-tanned Coach classic.",
                    "photo 4: no Coach identifiers are visible; the bag is best treated as an unbranded modern canvas bag rather than a misidentified Coach."
                ],
                "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 and photo 4: ordinary buckles, snaps, and zipper hardware in a subdued metallic tone; no Coach engraving is visible.",
                    "leather_description": "photo 1: no leather body or leather trim is visible; body appears to be woven canvas or textile.",
                    "lining_description": "photo 3 and photo 5: dark synthetic-looking fabric lining\/interior compartments are visible.",
                    "strap_construction": "photo 1 and photo 4: wide textile adjustable shoulder strap with a rectangular adjustment buckle and textile attachment points.",
                    "stitching_description": "photo 1 and photo 4: visible machine-stitched textile seams appear generally even; detailed stress-point stitching is not available."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a contemporary utility\/messenger crossbody with flap, side pockets, and a sunflower print, not a recognizable Coach City Bag, Willis, Court, Station, or Dinky.",
                    "photo 3: interior organization and synthetic lining support a modern mass-market construction rather than a vintage unlined glove-tanned Coach classic.",
                    "Condition: appears New or Like New in staged product photos, but stock\/lifestyle imagery prevents reliable assessment of actual used condition."
                ],
                "confidence": 0.91,
                "recommended_max_bid": 8,
                "estimated_resale_low": 10,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.95,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "No Coach identifiers to verify - no creed patch, wordmark, or leather hangtag visible in any photo",
                    "No hardware brand stamps visible"
                ],
                "negative_evidence": [
                    "photo 1: olive-green woven canvas body with printed sunflower and Live love laugh graphic - not glove-tanned leather, not Signature C canvas",
                    "photo 3: flap closes with round magnetic snaps, not Coach turnlock",
                    "photo 3: dark synthetic fabric interior lining, not unlined suede",
                    "photo 4: fabric webbing crossbody strap with rectangular slide buckle, not leather strap with brass hardware",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "brass-tone round magnetic snaps on flap, brass-tone zipper pulls on side pockets, rectangular strap slide; plated modern hardware, not solid brass turnlock",
                    "leather_description": "no leather visible; olive-green woven canvas textile body throughout",
                    "lining_description": "dark grey\/black fabric lining visible in interior view photo 3; not unlined suede",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching around flap edge, thread matched to canvas",
                    "strap_construction": "wide olive canvas webbing crossbody strap, adjustable with metal slide, sewn to body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Silhouette is modern canvas messenger\/satchel with flap + magnetic snaps and side zip pockets, not matching any vintage Coach catalog style",
                    "Materials (canvas, webbing strap, fabric lining, magnetic snaps) are inconsistent with 1970s-1990s glove-tanned Coach construction per skill 3.1-3.2",
                    "No hard identifiers (creed, serial, wordmark, hangtag, Talon\/YKK brass) observed in 6 photos",
                    "Condition: appears New\/unused modern fast-fashion bag; no vintage patina or wear"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.01,
                "vintage_probability": 0.01
            }
        }
    ],
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}