Vintage Coach Hunter

{
    "is_handbag_probability": 0.98,
    "coach_probability": 0.05,
    "vintage_probability": 0.58,
    "authenticity_confidence": 0.05,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.425,
    "confidence": 0.73,
    "recommended_max_bid": 12,
    "estimated_resale_low": 10,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 3: clearly a shoulder handbag with a structured body, two straps, multiple compartments, and a framed clasp opening.",
        "photo 1: gold-tone frame hardware and a small interior zip compartment are visible."
    ],
    "negative_evidence": [
        "photo 1: interior appears to have shiny black synthetic or vinyl lining rather than the suede-backed or period-appropriate leather interiors common on vintage Coach classics.",
        "photo 1: the large framed kisslock construction does not show a recognizable Coach turnlock or Coach-specific hardware geometry.",
        "photo 2: visible strap attachments and hardware appear generic, with no Coach wordmark, carriage, hangtag, or creed patch visible.",
        "photo 3: exterior has a smooth, highly uniform finish that may be synthetic or coated rather than identifiable glove-tanned leather.",
        "photo 1: zipper tape and interior construction look generic and do not provide a visible Coach identifier.",
        "photo 1, photo 2: center compartment is a kisslock frame with bright gold-tone plating, not a Coach turnlock",
        "photo 1, photo 2: black synthetic lining with pink-trim zip pouch, not unlined glove-tanned suede",
        "photo 1, photo 2: no creed patch visible on interior walls",
        "photo 3: double fixed shoulder straps on rectangular gold-tone plates with paneled seaming, not a catalog Coach silhouette",
        "photo 1, photo 2, photo 3: no COACH wordmark, horse-and-carriage, or leather hangtag visible"
    ],
    "missing_information": [
        "photo 1-3: no straight-on exterior front and back detail sufficient to inspect all branding or hardware markings.",
        "photo 1-2: no close-up of any interior label, creed patch, fabric tag, or maker stamp.",
        "photo 1-2: material composition is not established; request a close-up of edge construction and surface grain.",
        "photo 1-2: zipper pull and frame hardware markings are not shown closely.",
        "photo 3: bottom, corners, strap underside, and stitching close-ups are absent.",
        "creed patch \/ interior back wall straight-on view to confirm no Coach stamp",
        "exterior front, back, bottom and corner close-ups",
        "hardware stamps on frame, zipper pull and strap brackets",
        "material \/ fabric content tag if present"
    ],
    "authenticity_concerns": [
        "The bag has generic framed-purse construction and synthetic-looking lining without any visible Coach identifier.",
        "If described as vintage Coach, the shiny lining and unbranded frame would be inconsistent with the most likely classic Coach construction.",
        "photo 1, photo 2: kisslock frame with bright plated gold-tone finish and black synthetic lining inconsistent with vintage Coach glove-tanned unlined construction",
        "photo 1, photo 2, photo 3: no creed patch, wordmark, hangtag or other Coach identifier visible to support Coach manufacture"
    ],
    "possible_model_reasoning": [
        "No Coach model is assigned because the bag lacks a visible Coach identifier and its framed, multi-compartment design is not a strong match for the classic Coach catalog styles.",
        "The red color and gold-tone hardware are compatible with many vintage handbags but are not brand-specific.",
        "Condition appears approximately Very Good from the visible photos: generally clean exterior with minor visible blemishes, but the bottom, corners, and full interior are not shown.",
        "No Coach model match: kisslock-frame center with synthetic lining and double fixed straps does not match City Bag, Willis, Court, Station or Cashin kisslock styles",
        "Era cannot be dated as Coach; construction suggests non-Coach department-store vintage-style bag",
        "Condition: Very Good to Excellent in photos; vivid color, no major wear visible, seller notes small blemishes; bottom, corners and interior wear not fully shown"
    ],
    "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": "Gold-tone framed kisslock closure and gold-tone strap connectors are visible; no Coach engraving is legible.",
        "leather_description": "Smooth, uniform cherry-red exterior; material cannot be confirmed from the photos and may be synthetic or coated.",
        "lining_description": "Shiny black lining is visible, including a central zip pocket with pink zipper tape; likely synthetic, but fiber content is not confirmed.",
        "strap_construction": "Two narrow matching red shoulder straps attached with small gold-tone rectangular tabs; visible construction appears generic.",
        "stitching_description": "Visible exterior stitching is generally straight and regular, though close-up stress-point inspection is unavailable."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0254,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.08,
                "vintage_probability": 0.66,
                "authenticity_confidence": 0.07,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.82,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 3: clearly a shoulder handbag with a structured body, two straps, multiple compartments, and a framed clasp opening.",
                    "photo 1: gold-tone frame hardware and a small interior zip compartment are visible."
                ],
                "negative_evidence": [
                    "photo 1: interior appears to have shiny black synthetic or vinyl lining rather than the suede-backed or period-appropriate leather interiors common on vintage Coach classics.",
                    "photo 1: the large framed kisslock construction does not show a recognizable Coach turnlock or Coach-specific hardware geometry.",
                    "photo 2: visible strap attachments and hardware appear generic, with no Coach wordmark, carriage, hangtag, or creed patch visible.",
                    "photo 3: exterior has a smooth, highly uniform finish that may be synthetic or coated rather than identifiable glove-tanned leather.",
                    "photo 1: zipper tape and interior construction look generic and do not provide a visible Coach identifier."
                ],
                "missing_information": [
                    "photo 1-3: no straight-on exterior front and back detail sufficient to inspect all branding or hardware markings.",
                    "photo 1-2: no close-up of any interior label, creed patch, fabric tag, or maker stamp.",
                    "photo 1-2: material composition is not established; request a close-up of edge construction and surface grain.",
                    "photo 1-2: zipper pull and frame hardware markings are not shown closely.",
                    "photo 3: bottom, corners, strap underside, and stitching close-ups are absent."
                ],
                "authenticity_concerns": [
                    "The bag has generic framed-purse construction and synthetic-looking lining without any visible Coach identifier.",
                    "If described as vintage Coach, the shiny lining and unbranded frame would be inconsistent with the most likely classic Coach construction."
                ],
                "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": "Gold-tone framed kisslock closure and gold-tone strap connectors are visible; no Coach engraving is legible.",
                    "leather_description": "Smooth, uniform cherry-red exterior; material cannot be confirmed from the photos and may be synthetic or coated.",
                    "lining_description": "Shiny black lining is visible, including a central zip pocket with pink zipper tape; likely synthetic, but fiber content is not confirmed.",
                    "strap_construction": "Two narrow matching red shoulder straps attached with small gold-tone rectangular tabs; visible construction appears generic.",
                    "stitching_description": "Visible exterior stitching is generally straight and regular, though close-up stress-point inspection is unavailable."
                },
                "possible_model_reasoning": [
                    "No Coach model is assigned because the bag lacks a visible Coach identifier and its framed, multi-compartment design is not a strong match for the classic Coach catalog styles.",
                    "The red color and gold-tone hardware are compatible with many vintage handbags but are not brand-specific.",
                    "Condition appears approximately Very Good from the visible photos: generally clean exterior with minor visible blemishes, but the bottom, corners, and full interior are not shown."
                ],
                "confidence": 0.76,
                "recommended_max_bid": 12,
                "estimated_resale_low": 10,
                "estimated_resale_high": 35
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1, photo 2: kisslock frame with bright plated gold-tone finish and black synthetic lining inconsistent with vintage Coach glove-tanned unlined construction",
                    "photo 1, photo 2, photo 3: no creed patch, wordmark, hangtag or other Coach identifier visible to support Coach manufacture"
                ],
                "authenticity_confidence": 0.03,
                "coach_probability": 0.02,
                "confidence": 0.7,
                "estimated_era": "unknown",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.97,
                "missing_information": [
                    "creed patch \/ interior back wall straight-on view to confirm no Coach stamp",
                    "exterior front, back, bottom and corner close-ups",
                    "hardware stamps on frame, zipper pull and strap brackets",
                    "material \/ fabric content tag if present"
                ],
                "negative_evidence": [
                    "photo 1, photo 2: center compartment is a kisslock frame with bright gold-tone plating, not a Coach turnlock",
                    "photo 1, photo 2: black synthetic lining with pink-trim zip pouch, not unlined glove-tanned suede",
                    "photo 1, photo 2: no creed patch visible on interior walls",
                    "photo 3: double fixed shoulder straps on rectangular gold-tone plates with paneled seaming, not a catalog Coach silhouette",
                    "photo 1, photo 2, photo 3: no COACH wordmark, horse-and-carriage, or leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone kisslock frame on center compartment with side clasp; small zipper with gold-tone pull and pink trim; rectangular gold-tone strap brackets",
                    "leather_description": "vivid cherry red smooth material with sheen; seller unsure if leather; appears thin\/synthetic in photos",
                    "lining_description": "black synthetic lining with center zip pouch with light pink trim",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "visible topstitching on exterior front panel seams in photo 3",
                    "strap_construction": "double fixed shoulder straps attached with gold-tone brackets",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model match: kisslock-frame center with synthetic lining and double fixed straps does not match City Bag, Willis, Court, Station or Cashin kisslock styles",
                    "Era cannot be dated as Coach; construction suggests non-Coach department-store vintage-style bag",
                    "Condition: Very Good to Excellent in photos; vivid color, no major wear visible, seller notes small blemishes; bottom, corners and interior wear not fully shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.5
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16645,
            "output_tokens": 803,
            "total_tokens": 17448,
            "estimated_cost_usd": 0.008585
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17063,
            "output_tokens": 1604,
            "total_tokens": 18667,
            "estimated_cost_usd": 0.004696
        }
    ]
}