Vintage Coach Hunter

{
    "is_handbag_probability": 0.955,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.76,
    "seller_misidentification_probability": 0.025,
    "confidence": 0.88,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 20,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Bag is constructed from coarse woven textile\/canvas rather than the glove-tanned leather typical of the vintage Coach styles in question.",
        "photo 1: Front shows a dark rectangular sewn-on brand patch, but no legible COACH wordmark, horse-and-carriage, or Coach hangtag.",
        "photo 1: Hardware appears dark plated metal and the bag uses multiple utility-style zippered compartments, a generic messenger\/phone-bag construction.",
        "photo 1: No Coach-style turnlock closure or visible leather creed patch is present in the provided view.",
        "photo 1: woven canvas textile body, not glove-tanned leather",
        "photo 1: wide woven fabric webbing crossbody strap with slider, not leather buckle\/dogleash Coach strap",
        "photo 1: magnetic\/snap flap closure, no turnlock present",
        "photo 1: dark gunmetal-tone hardware, not solid brass vintage Coach hardware",
        "photo 1: small dark rectangular front brand patch reading non-Coach name, no COACH wordmark or horse-and-carriage visible",
        "photo 1: multiple exterior zip compartments with small leather-like pull tabs, silhouette matches modern canvas messenger\/phone bag, no catalog Coach style match"
    ],
    "missing_information": [
        "photo 1: Only a front three-quarter view is provided; request interior, back, bottom, side, strap, zipper-pull, and label close-ups if further verification is desired.",
        "photo 1: The rectangular front patch is too dark and embossed text is not legible; request a straight-on close-up of it.",
        "photo 1: Country-of-origin and care labels are not shown.",
        "photo 1 only front view: no back, bottom, side, interior, or creed-patch views to fully document construction",
        "interior lining and any interior labels\/tags not shown",
        "close-up of front brand patch text and zipper-pull stamps not legible"
    ],
    "authenticity_concerns": [
        "photo 1: The visible textile construction, utility styling, dark hardware, and generic front patch are inconsistent with the classic vintage Coach leather handbag population.",
        "photo 1: No Coach identifier is visible, so the item appears to be a generic non-Coach bag rather than a Coach bag with an unreadable identifier."
    ],
    "possible_model_reasoning": [
        "photo 1: The compact rectangular body, multiple zippered compartments, flap pocket, and adjustable webbing strap fit a generic utility messenger or phone bag, not a recognizable Coach catalog model.",
        "photo 1: The seller's 'vintage' wording is unverified and the visible textile\/utility design provides no reliable basis for a pre-2000 date.",
        "photo 1: Condition appears approximately Very Good from the visible exterior, with no major tears or structural damage apparent; interior, odor, bottom, and strap wear are unknown.",
        "photo 1 silhouette is a small modern canvas crossbody\/messenger with front snap flap pocket and side zip compartments; does not match any vintage Coach glove-tanned catalog style in size, material, closure, or strap",
        "materials (canvas + webbing + gunmetal) are exclusionary for vintage Coach per triage: coach_probability capped at 0.05 without Coach identifier, none visible",
        "Condition: appears New\/Like New from front view only, but single view caps grading; not relevant to Coach value"
    ],
    "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 metal zipper pulls, snap, clips, and strap adjuster; no Coach engraving is legible.",
        "leather_description": "photo 1: Coarse brown woven textile\/canvas body with dark synthetic-looking trim; no leather construction is visibly established.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Wide adjustable woven shoulder strap with dark metal clips and rectangular adjuster.",
        "stitching_description": "photo 1: Visible machine stitching appears generally regular; detailed stress-point stitching is not assessable from this single view."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0018,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.96,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.87,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is constructed from coarse woven textile\/canvas rather than the glove-tanned leather typical of the vintage Coach styles in question.",
                    "photo 1: Front shows a dark rectangular sewn-on brand patch, but no legible COACH wordmark, horse-and-carriage, or Coach hangtag.",
                    "photo 1: Hardware appears dark plated metal and the bag uses multiple utility-style zippered compartments, a generic messenger\/phone-bag construction.",
                    "photo 1: No Coach-style turnlock closure or visible leather creed patch is present in the provided view."
                ],
                "missing_information": [
                    "photo 1: Only a front three-quarter view is provided; request interior, back, bottom, side, strap, zipper-pull, and label close-ups if further verification is desired.",
                    "photo 1: The rectangular front patch is too dark and embossed text is not legible; request a straight-on close-up of it.",
                    "photo 1: Country-of-origin and care labels are not shown."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible textile construction, utility styling, dark hardware, and generic front patch are inconsistent with the classic vintage Coach leather handbag population.",
                    "photo 1: No Coach identifier is visible, so the item appears to be a generic non-Coach bag rather than a Coach bag with an unreadable identifier."
                ],
                "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 metal zipper pulls, snap, clips, and strap adjuster; no Coach engraving is legible.",
                    "leather_description": "photo 1: Coarse brown woven textile\/canvas body with dark synthetic-looking trim; no leather construction is visibly established.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Wide adjustable woven shoulder strap with dark metal clips and rectangular adjuster.",
                    "stitching_description": "photo 1: Visible machine stitching appears generally regular; detailed stress-point stitching is not assessable from this single view."
                },
                "possible_model_reasoning": [
                    "photo 1: The compact rectangular body, multiple zippered compartments, flap pocket, and adjustable webbing strap fit a generic utility messenger or phone bag, not a recognizable Coach catalog model.",
                    "photo 1: The seller's 'vintage' wording is unverified and the visible textile\/utility design provides no reliable basis for a pre-2000 date.",
                    "photo 1: Condition appears approximately Very Good from the visible exterior, with no major tears or structural damage apparent; interior, odor, bottom, and strap wear are unknown."
                ],
                "confidence": 0.86,
                "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": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.65,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo 1 only front view: no back, bottom, side, interior, or creed-patch views to fully document construction",
                    "interior lining and any interior labels\/tags not shown",
                    "close-up of front brand patch text and zipper-pull stamps not legible"
                ],
                "negative_evidence": [
                    "photo 1: woven canvas textile body, not glove-tanned leather",
                    "photo 1: wide woven fabric webbing crossbody strap with slider, not leather buckle\/dogleash Coach strap",
                    "photo 1: magnetic\/snap flap closure, no turnlock present",
                    "photo 1: dark gunmetal-tone hardware, not solid brass vintage Coach hardware",
                    "photo 1: small dark rectangular front brand patch reading non-Coach name, no COACH wordmark or horse-and-carriage visible",
                    "photo 1: multiple exterior zip compartments with small leather-like pull tabs, silhouette matches modern canvas messenger\/phone bag, no catalog Coach style match"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "dark gunmetal-tone snap on front flap pocket, matching zipper sliders with small brown pull tabs; no brass turnlock, no brass dogleash clips",
                    "leather_description": "no glove-tanned leather visible; olive-brown woven canvas textile body with small dark synthetic leather-like front label",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching on flap and front seams, thread matched to canvas; no detailed stitch assessment possible",
                    "strap_construction": "wide dark brown woven fabric webbing crossbody strap with metal slider for adjustment, attached with metal swivel clips",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is a small modern canvas crossbody\/messenger with front snap flap pocket and side zip compartments; does not match any vintage Coach glove-tanned catalog style in size, material, closure, or strap",
                    "materials (canvas + webbing + gunmetal) are exclusionary for vintage Coach per triage: coach_probability capped at 0.05 without Coach identifier, none visible",
                    "Condition: appears New\/Like New from front view only, but single view caps grading; not relevant to Coach value"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "model_name": "openai:gpt-5.6-luna",
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            "output_tokens": 742,
            "total_tokens": 17566,
            "estimated_cost_usd": 0.00851
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}