Vintage Coach Hunter

{
    "is_handbag_probability": 0.58,
    "coach_probability": 0.01,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.01,
    "image_quality_score": 0.83,
    "seller_misidentification_probability": 0.045,
    "confidence": 0.945,
    "recommended_max_bid": 5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 16,
    "possible_models": [],
    "positive_evidence": [
        "Photo 1: The item is clearly a tote-style bag with two handles.",
        "Photo 2: Retail packaging identifies the item as a Halloween II treat bag and shows Universal branding, not Coach branding."
    ],
    "negative_evidence": [
        "Photo 1: The bag is made from thin printed textile material with a licensed Michael Myers graphic; it is not vintage glove-tanned leather.",
        "Photo 1: No Coach wordmark, horse-and-carriage, creed patch, hangtag, or Coach-style hardware is visible.",
        "Photo 2: The packaging visibly identifies Universal as the rights holder\/manufacturer context and provides 16 x 16.5 inch dimensions.",
        "Photo 1: The design is a foldable printed novelty tote, inconsistent with vintage Coach handbag construction.",
        "photo 1: printed synthetic foldable Halloween II treat bag, not leather handbag",
        "photo 1: header card reads HALLOWEEN II TREAT BAG, licensed merchandise",
        "photo 2: back of card shows Universal City Studios LLC, No. 370616, 16 x 16.5 in foldable tote",
        "photo 1-2: no glove-tanned leather, no solid brass hardware, no turnlock, no creed patch, no COACH wordmark"
    ],
    "missing_information": [
        "Photo of the bag interior and bottom is not provided.",
        "Close-up photos of any interior labels, sewn tags, or manufacturer information would be needed for a fuller non-Coach brand assessment.",
        "Condition of the unfolded bag, seams, and handles is not fully shown."
    ],
    "authenticity_concerns": [
        "Photo 1: The synthetic printed textile construction and licensed Halloween novelty design are inconsistent with vintage Coach leather handbags.",
        "Photo 2: Universal packaging and Halloween II product labeling provide no Coach provenance or identifier."
    ],
    "possible_model_reasoning": [
        "Not a Coach silhouette, material, or construction; licensed Halloween II foldable polyester treat bag, so no Coach model applies",
        "Condition: New with header card as shown in photo 1-2"
    ],
    "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: Simple textile handles; no metal handbag hardware is visible.",
        "leather_description": "Photo 1: Thin black printed textile or synthetic fabric is visible; leather is not apparent.",
        "lining_description": "not_visible - unlined synthetic tote",
        "strap_construction": "Photo 1: Two sewn textile carry handles, apparently foldable with the bag.",
        "stitching_description": "Photo 1: Handle attachment and exterior seams are partially visible but not detailed enough for close construction assessment."
    },
    "ensemble_agreement": "MEDIUM",
    "ensemble_variance": 0.0211,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.96,
                "coach_probability": 0.01,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.01,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.08,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "Photo 1: The item is clearly a tote-style bag with two handles.",
                    "Photo 2: Retail packaging identifies the item as a Halloween II treat bag and shows Universal branding, not Coach branding."
                ],
                "negative_evidence": [
                    "Photo 1: The bag is made from thin printed textile material with a licensed Michael Myers graphic; it is not vintage glove-tanned leather.",
                    "Photo 1: No Coach wordmark, horse-and-carriage, creed patch, hangtag, or Coach-style hardware is visible.",
                    "Photo 2: The packaging visibly identifies Universal as the rights holder\/manufacturer context and provides 16 x 16.5 inch dimensions.",
                    "Photo 1: The design is a foldable printed novelty tote, inconsistent with vintage Coach handbag construction."
                ],
                "missing_information": [
                    "Photo of the bag interior and bottom is not provided.",
                    "Close-up photos of any interior labels, sewn tags, or manufacturer information would be needed for a fuller non-Coach brand assessment.",
                    "Condition of the unfolded bag, seams, and handles is not fully shown."
                ],
                "authenticity_concerns": [
                    "Photo 1: The synthetic printed textile construction and licensed Halloween novelty design are inconsistent with vintage Coach leather handbags.",
                    "Photo 2: Universal packaging and Halloween II product labeling provide no Coach provenance or 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: Simple textile handles; no metal handbag hardware is visible.",
                    "leather_description": "Photo 1: Thin black printed textile or synthetic fabric is visible; leather is not apparent.",
                    "lining_description": "not_visible",
                    "strap_construction": "Photo 1: Two sewn textile carry handles, apparently foldable with the bag.",
                    "stitching_description": "Photo 1: Handle attachment and exterior seams are partially visible but not detailed enough for close construction assessment."
                },
                "possible_model_reasoning": [],
                "confidence": 0.91,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 20
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.98,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 12,
                "estimated_resale_low": 5,
                "image_quality_score": 0.8,
                "is_handbag_probability": 0.2,
                "missing_information": [],
                "negative_evidence": [
                    "photo 1: printed synthetic foldable Halloween II treat bag, not leather handbag",
                    "photo 1: header card reads HALLOWEEN II TREAT BAG, licensed merchandise",
                    "photo 2: back of card shows Universal City Studios LLC, No. 370616, 16 x 16.5 in foldable tote",
                    "photo 1-2: no glove-tanned leather, no solid brass hardware, no turnlock, no creed patch, no COACH wordmark"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no metal hardware visible",
                    "leather_description": "not leather - thin printed synthetic fabric tote",
                    "lining_description": "not_visible - unlined synthetic tote",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "fabric tote handles in same printed material, folded into attached pouch",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette, material, or construction; licensed Halloween II foldable polyester treat bag, so no Coach model applies",
                    "Condition: New with header card as shown in photo 1-2"
                ],
                "possible_models": [],
                "recommended_max_bid": 5,
                "seller_misidentification_probability": 0.01,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 21095,
            "output_tokens": 693,
            "total_tokens": 21788,
            "estimated_cost_usd": 0.010101
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 22107,
            "output_tokens": 954,
            "total_tokens": 23061,
            "estimated_cost_usd": 0.005185
        }
    ]
}