Vintage Coach Hunter

{
    "is_handbag_probability": 0.935,
    "coach_probability": 0.01,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.815,
    "seller_misidentification_probability": 0.05,
    "confidence": 0.93,
    "recommended_max_bid": 9,
    "estimated_resale_low": 13.5,
    "estimated_resale_high": 32,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Listing shows a lot of plain natural canvas tote bags rather than leather handbags.",
        "photo 2: Exterior is unbranded plain canvas with simple fabric handles and no Coach wordmark, carriage, signature pattern, or leather trim.",
        "photo 3: Interior appears to be raw\/plain canvas with no visible leather creed patch, fabric Coach label, or serial tag.",
        "photo 4: Construction is a simple flat-bottom canvas tote with no vintage Coach turnlock, brass hardware, or structured handbag features.",
        "photo 5: Visible handle construction is plain sewn canvas, not the leather strap and hardware construction associated with vintage Coach.",
        "photo 6: Close view of the handles shows no brand stamping or hardware.",
        "photo 1: lot of plain natural beige woven canvas shopping totes in plastic wrap, no leather, no hardware",
        "photo 2-4: single tote is unconstructed canvas with sewn fabric handles, no flap, no turnlock, no brass hardware",
        "photo 3: unlined single-layer canvas interior with no creed patch, no lining, no label, no pocket except exterior slip on wrapped lot",
        "photo 1-5: no COACH wordmark, no horse-and-carriage, no hangtag, no zipper stamps visible"
    ],
    "missing_information": [
        "photo 1: Individual photos of all 12 totes are not provided; only a subset is visible.",
        "photo 3: Interior seams and all pockets should be photographed individually to confirm no labels or tags are present.",
        "photo 1: Clear bottom and side views of each tote are absent.",
        "photo 1: Seller-stated dimensions are available, but material composition, manufacturer, and production date are not documented."
    ],
    "authenticity_concerns": [
        "photo 1: The visible items are plain canvas utility\/shopping totes and are inconsistent with Coach's leather handbag construction.",
        "photo 3: No Coach identifier is visible in the interiors shown; the absence of an identifier is not conclusive for every bag, but strongly limits any Coach attribution."
    ],
    "possible_model_reasoning": [
        "photo 2: The flat rectangular tote silhouette, canvas material, and fabric handles do not match the listed vintage Coach leather models.",
        "photo 3: No creed or other Coach identifier is visible, and the material falls into the non-leather canvas category that strongly argues against vintage Coach.",
        "photo 1: Condition appears unused or lightly handled, though plastic packaging obscures some of the lot. This is a generic canvas tote lot, not a Coach model.",
        "Lot of 12 identical 20x15 natural beige canvas shopping totes does not match any Coach catalog silhouette, material, or construction",
        "No creed patch, wordmark, hangtag, solid brass hardware, or glove-tanned leather in any of 5 photos",
        "Plain canvas tote material places item in modern non-Coach bulk tote segment per triage rule",
        "Condition: New-appearing bulk stock; no wear visible but bulk promotional totes, not graded vintage condition"
    ],
    "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: No metal handbag hardware is visible; plain fabric construction.",
        "leather_description": "photo 1: No leather is visible; the bags appear to be natural beige canvas or cotton fabric.",
        "lining_description": "photo 3: Interior appears to be unlined plain canvas; no branded lining is visible.",
        "strap_construction": "photo 2: Flat sewn canvas carry handles, with simple reinforced attachment points.",
        "stitching_description": "photo 3: Basic visible sewn seams and folded fabric edges; detail resolution is insufficient for a full stitching assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0008,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.92,
                "coach_probability": 0.01,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.88,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Listing shows a lot of plain natural canvas tote bags rather than leather handbags.",
                    "photo 2: Exterior is unbranded plain canvas with simple fabric handles and no Coach wordmark, carriage, signature pattern, or leather trim.",
                    "photo 3: Interior appears to be raw\/plain canvas with no visible leather creed patch, fabric Coach label, or serial tag.",
                    "photo 4: Construction is a simple flat-bottom canvas tote with no vintage Coach turnlock, brass hardware, or structured handbag features.",
                    "photo 5: Visible handle construction is plain sewn canvas, not the leather strap and hardware construction associated with vintage Coach.",
                    "photo 6: Close view of the handles shows no brand stamping or hardware."
                ],
                "missing_information": [
                    "photo 1: Individual photos of all 12 totes are not provided; only a subset is visible.",
                    "photo 3: Interior seams and all pockets should be photographed individually to confirm no labels or tags are present.",
                    "photo 1: Clear bottom and side views of each tote are absent.",
                    "photo 1: Seller-stated dimensions are available, but material composition, manufacturer, and production date are not documented."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible items are plain canvas utility\/shopping totes and are inconsistent with Coach's leather handbag construction.",
                    "photo 3: No Coach identifier is visible in the interiors shown; the absence of an identifier is not conclusive for every bag, but strongly limits any Coach attribution."
                ],
                "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: No metal handbag hardware is visible; plain fabric construction.",
                    "leather_description": "photo 1: No leather is visible; the bags appear to be natural beige canvas or cotton fabric.",
                    "lining_description": "photo 3: Interior appears to be unlined plain canvas; no branded lining is visible.",
                    "strap_construction": "photo 2: Flat sewn canvas carry handles, with simple reinforced attachment points.",
                    "stitching_description": "photo 3: Basic visible sewn seams and folded fabric edges; detail resolution is insufficient for a full stitching assessment."
                },
                "possible_model_reasoning": [
                    "photo 2: The flat rectangular tote silhouette, canvas material, and fabric handles do not match the listed vintage Coach leather models.",
                    "photo 3: No creed or other Coach identifier is visible, and the material falls into the non-leather canvas category that strongly argues against vintage Coach.",
                    "photo 1: Condition appears unused or lightly handled, though plastic packaging obscures some of the lot. This is a generic canvas tote lot, not a Coach model."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 10,
                "estimated_resale_low": 15,
                "estimated_resale_high": 40
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.01,
                "confidence": 0.92,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 24,
                "estimated_resale_low": 12,
                "image_quality_score": 0.75,
                "is_handbag_probability": 0.95,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: lot of plain natural beige woven canvas shopping totes in plastic wrap, no leather, no hardware",
                    "photo 2-4: single tote is unconstructed canvas with sewn fabric handles, no flap, no turnlock, no brass hardware",
                    "photo 3: unlined single-layer canvas interior with no creed patch, no lining, no label, no pocket except exterior slip on wrapped lot",
                    "photo 1-5: no COACH wordmark, no horse-and-carriage, no hangtag, no zipper stamps visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no metal hardware visible; fabric handles only",
                    "leather_description": "no leather observed; plain natural beige woven canvas body and handles",
                    "lining_description": "unlined; interior same plain canvas as exterior in photo 3",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "straight machine stitching at handle attachments; no leather edge finishing",
                    "strap_construction": "fixed short fabric tote handles sewn to top edge (photos 4-5)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Lot of 12 identical 20x15 natural beige canvas shopping totes does not match any Coach catalog silhouette, material, or construction",
                    "No creed patch, wordmark, hangtag, solid brass hardware, or glove-tanned leather in any of 5 photos",
                    "Plain canvas tote material places item in modern non-Coach bulk tote segment per triage rule",
                    "Condition: New-appearing bulk stock; no wear visible but bulk promotional totes, not graded vintage condition"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
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}