Vintage Coach Hunter

{
    "is_handbag_probability": 0.655,
    "coach_probability": 0.02,
    "vintage_probability": 0.02,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.835,
    "recommended_max_bid": 8,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 1: Product-style image shows a generic single-strap sling\/chest bag rather than a recognizable vintage Coach handbag silhouette.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or leather hangtag.",
        "photo 1: The broad woven textile strap and numerous small zippered compartments are not characteristic evidence of a classic vintage Coach leather model.",
        "photo 1: The leather-like surface appears heavily finished and uniform, with no visible Coach-specific construction identifiers.",
        "photo 1: Seller lists the brand as Unbranded and provides no Coach-related details.",
        "photo 1: sling \/ chest-pack \/ crossbody backpack silhouette with single wide webbing strap - not a vintage Coach silhouette",
        "photo 1: brown grained material with coated high-sheen look consistent with faux\/PU leather, not glove-tanned cowhide",
        "photo 1: gunmetal\/silver-tone zippers and rivets with nylon webbing strap, not solid brass vintage hardware",
        "photo 1: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible"
    ],
    "missing_information": [
        "photo 1: No interior, creed area, fabric tag, bottom, strap hardware, zipper-pull close-up, or manufacturing-label photos are provided.",
        "A straight-on close-up of any interior patch or label would be needed to evaluate a possible brand identifier.",
        "Material composition and dimensions are not provided.",
        "photo 1 only: no interior, creed, back, bottom, or hardware close-up views shown",
        "creed patch not shown - request straight-on interior photo",
        "lining and zipper brand stamps not visible",
        "scale\/dimensions and material content not stated"
    ],
    "authenticity_concerns": [
        "photo 1: The bag has the appearance of a modern generic or possibly synthetic\/leather-like sling bag, with no visible evidence connecting it to Coach.",
        "photo 1: The product-style presentation and unbranded listing context provide no basis for authentication."
    ],
    "possible_model_reasoning": [
        "No Coach model is supported by the visible silhouette or identifiers; this is best treated as a generic modern sling bag.",
        "Condition cannot be reliably graded from the single product image; actual wear, interior condition, and material quality are unknown.",
        "photo 1 silhouette, nylon webbing strap, gunmetal zippers and coated faux-like material do not match any Coach catalog style in \u00a74",
        "no creed, wordmark, hangtag or brass hardware to support Coach manufacture",
        "Condition: appears new\/stock-photo Like New but generic modern sling; not gradable as vintage Coach"
    ],
    "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: Multiple small metal zipper pulls and adjustment hardware are visible; finish and construction are not clear enough to identify as Coach hardware.",
        "leather_description": "photo 1: Brown leather-like or finished leather exterior with a pebbled\/wrinkled appearance; material cannot be confirmed from the image.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Wide dark woven textile shoulder strap with adjustable buckle\/slider and side attachment.",
        "stitching_description": "photo 1: Visible machine stitching appears generally even around the pockets and edges; no Coach-specific stitching evidence is visible."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0152,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.96,
                "coach_probability": 0.02,
                "vintage_probability": 0.02,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Product-style image shows a generic single-strap sling\/chest bag rather than a recognizable vintage Coach handbag silhouette.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or leather hangtag.",
                    "photo 1: The broad woven textile strap and numerous small zippered compartments are not characteristic evidence of a classic vintage Coach leather model.",
                    "photo 1: The leather-like surface appears heavily finished and uniform, with no visible Coach-specific construction identifiers.",
                    "photo 1: Seller lists the brand as Unbranded and provides no Coach-related details."
                ],
                "missing_information": [
                    "photo 1: No interior, creed area, fabric tag, bottom, strap hardware, zipper-pull close-up, or manufacturing-label photos are provided.",
                    "A straight-on close-up of any interior patch or label would be needed to evaluate a possible brand identifier.",
                    "Material composition and dimensions are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: The bag has the appearance of a modern generic or possibly synthetic\/leather-like sling bag, with no visible evidence connecting it to Coach.",
                    "photo 1: The product-style presentation and unbranded listing context provide no basis for authentication."
                ],
                "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: Multiple small metal zipper pulls and adjustment hardware are visible; finish and construction are not clear enough to identify as Coach hardware.",
                    "leather_description": "photo 1: Brown leather-like or finished leather exterior with a pebbled\/wrinkled appearance; material cannot be confirmed from the image.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Wide dark woven textile shoulder strap with adjustable buckle\/slider and side attachment.",
                    "stitching_description": "photo 1: Visible machine stitching appears generally even around the pockets and edges; no Coach-specific stitching evidence is visible."
                },
                "possible_model_reasoning": [
                    "No Coach model is supported by the visible silhouette or identifiers; this is best treated as a generic modern sling bag.",
                    "Condition cannot be reliably graded from the single product image; actual wear, interior condition, and material quality are unknown."
                ],
                "confidence": 0.82,
                "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": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 15,
                "estimated_resale_low": 5,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.35,
                "missing_information": [
                    "photo 1 only: no interior, creed, back, bottom, or hardware close-up views shown",
                    "creed patch not shown - request straight-on interior photo",
                    "lining and zipper brand stamps not visible",
                    "scale\/dimensions and material content not stated"
                ],
                "negative_evidence": [
                    "photo 1: sling \/ chest-pack \/ crossbody backpack silhouette with single wide webbing strap - not a vintage Coach silhouette",
                    "photo 1: brown grained material with coated high-sheen look consistent with faux\/PU leather, not glove-tanned cowhide",
                    "photo 1: gunmetal\/silver-tone zippers and rivets with nylon webbing strap, not solid brass vintage hardware",
                    "photo 1: no turnlock, no leather hangtag, no COACH wordmark or horse-and-carriage visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: gunmetal\/silver-tone zipper pulls and small dome rivets; no turnlock; no brass",
                    "leather_description": "photo 1: medium-brown grained material with wrinkled coated sheen suggesting faux\/PU leather; not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: straight machine stitching around front zip pocket; tone-matched thread; no detail visible",
                    "strap_construction": "photo 1: wide dark-brown woven nylon webbing single sling strap with metal slide; leather-like shoulder pad section",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette, nylon webbing strap, gunmetal zippers and coated faux-like material do not match any Coach catalog style in \u00a74",
                    "no creed, wordmark, hangtag or brass hardware to support Coach manufacture",
                    "Condition: appears new\/stock-photo Like New but generic modern sling; not gradable as vintage Coach"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
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            "output_tokens": 666,
            "total_tokens": 16508,
            "estimated_cost_usd": 0.007935
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}