Vintage Coach Hunter

{
    "is_handbag_probability": 0.955,
    "coach_probability": 0.02,
    "vintage_probability": 0.025,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.72,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.88,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 6.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: object is a small handbag with zip-top closure"
    ],
    "negative_evidence": [
        "photo 1: Bag is constructed from a woven raffia\/straw-like material with extensive pearl and charm decoration, unlike the glove-tanned leather, coated canvas, or documented Coach construction described in the reference material.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hardware.",
        "photo 1: The decorative pearl chain and shell\/starfish charms are generic resort-fashion details rather than vintage Coach identifiers.",
        "photo 1: The listing title and seller brand identify it as unbranded; this is weak evidence but consistent with the absence of brand markings.",
        "photo 1: body is woven straw\/rattan-like material, not glove-tanned leather - excluded per triage rule",
        "photo 1: top handle is gold-tone chain with faux pearls, shell and starfish charms - no Coach leather strap or brass hardware",
        "photo 1: half-moon beaded novelty silhouette matches no Coach catalog style",
        "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
        "photo 1: no solid brass turnlock, buckle, or dogleash hardware"
    ],
    "missing_information": [
        "photo 1: Interior, lining, closure, and any sewn-in brand label are not shown.",
        "A straight-on interior photo should be requested to check for a brand label or creed patch.",
        "Bottom, side, attachment, and stitching close-ups are not provided.",
        "Seller-stated dimensions and material composition are not provided.",
        "interior views not shown - lining and any labels\/tags not visible",
        "back \/ side \/ bottom views not shown",
        "close-up of zipper pull and hardware stamps not shown",
        "dimensions and scale reference not provided"
    ],
    "authenticity_concerns": [
        "photo 1: Visible construction is inconsistent with a vintage Coach leather handbag; the woven body and novelty pearl\/charm decoration point to a generic or fashion-accessory bag.",
        "No Coach identifier is visible, so Coach manufacture cannot be supported from the supplied photo."
    ],
    "possible_model_reasoning": [
        "photo 1: The half-moon\/rounded rectangular silhouette supports classification as a small handbag, but it does not closely identify a Coach model.",
        "photo 1: Material and novelty embellishment are more consistent with a modern generic resort or boutique bag than with a Coach catalog style.",
        "Condition appears approximately Good to Very Good from the visible exterior: woven body and decorations are present, but the single image does not show the interior, bottom, closure, or strap attachments adequately.",
        "No Coach model fits: straw\/beaded half-moon construction, costume-pearl chain handle, and shell charms are inconsistent with all Coach leather and canvas lines",
        "Era by construction is modern fast-fashion novelty, non-Coach",
        "Condition: appears unused\/clean in single front view but cannot grade without bottom, interior and strap views"
    ],
    "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: Gold-tone chain and decorative hardware with numerous faux-pearl beads, shell-like charms, and a starfish charm; no Coach-marked hardware visible.",
        "leather_description": "photo 1: No leather visible; body appears woven raffia, straw, or raffia-like synthetic material in beige.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: Decorative pearl-beaded chain strap attached at both upper sides; additional beaded trim\/charm elements surround the bag.",
        "stitching_description": "photo 1: Woven construction is visible, but seam stitching and stress-point construction are not sufficiently shown."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0001,
    "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": 0.74,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Bag is constructed from a woven raffia\/straw-like material with extensive pearl and charm decoration, unlike the glove-tanned leather, coated canvas, or documented Coach construction described in the reference material.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or recognizable Coach hardware.",
                    "photo 1: The decorative pearl chain and shell\/starfish charms are generic resort-fashion details rather than vintage Coach identifiers.",
                    "photo 1: The listing title and seller brand identify it as unbranded; this is weak evidence but consistent with the absence of brand markings."
                ],
                "missing_information": [
                    "photo 1: Interior, lining, closure, and any sewn-in brand label are not shown.",
                    "A straight-on interior photo should be requested to check for a brand label or creed patch.",
                    "Bottom, side, attachment, and stitching close-ups are not provided.",
                    "Seller-stated dimensions and material composition are not provided."
                ],
                "authenticity_concerns": [
                    "photo 1: Visible construction is inconsistent with a vintage Coach leather handbag; the woven body and novelty pearl\/charm decoration point to a generic or fashion-accessory bag.",
                    "No Coach identifier is visible, so Coach manufacture cannot be supported from the supplied photo."
                ],
                "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: Gold-tone chain and decorative hardware with numerous faux-pearl beads, shell-like charms, and a starfish charm; no Coach-marked hardware visible.",
                    "leather_description": "photo 1: No leather visible; body appears woven raffia, straw, or raffia-like synthetic material in beige.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Decorative pearl-beaded chain strap attached at both upper sides; additional beaded trim\/charm elements surround the bag.",
                    "stitching_description": "photo 1: Woven construction is visible, but seam stitching and stress-point construction are not sufficiently shown."
                },
                "possible_model_reasoning": [
                    "photo 1: The half-moon\/rounded rectangular silhouette supports classification as a small handbag, but it does not closely identify a Coach model.",
                    "photo 1: Material and novelty embellishment are more consistent with a modern generic resort or boutique bag than with a Coach catalog style.",
                    "Condition appears approximately Good to Very Good from the visible exterior: woven body and decorations are present, but the single image does not show the interior, bottom, closure, or strap attachments adequately."
                ],
                "confidence": 0.86,
                "recommended_max_bid": 5,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 8,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior views not shown - lining and any labels\/tags not visible",
                    "back \/ side \/ bottom views not shown",
                    "close-up of zipper pull and hardware stamps not shown",
                    "dimensions and scale reference not provided"
                ],
                "negative_evidence": [
                    "photo 1: body is woven straw\/rattan-like material, not glove-tanned leather - excluded per triage rule",
                    "photo 1: top handle is gold-tone chain with faux pearls, shell and starfish charms - no Coach leather strap or brass hardware",
                    "photo 1: half-moon beaded novelty silhouette matches no Coach catalog style",
                    "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage, no leather hangtag visible",
                    "photo 1: no solid brass turnlock, buckle, or dogleash hardware"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "gold-tone chain trim with faux-pearl beads, small shells and starfish charms forming top handle and bottom fringe; zipper pull gold-tone, brand stamp not visible",
                    "leather_description": "no leather visible; beige woven straw-like textile body",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible - weave texture only, no leather stitching visible",
                    "strap_construction": "fixed beaded chain top handle with faux pearls and shell charms, not adjustable leather strap",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: object is a small handbag with zip-top closure"
                ],
                "possible_model_reasoning": [
                    "No Coach model fits: straw\/beaded half-moon construction, costume-pearl chain handle, and shell charms are inconsistent with all Coach leather and canvas lines",
                    "Era by construction is modern fast-fashion novelty, non-Coach",
                    "Condition: appears unused\/clean in single front view but cannot grade without bottom, interior and strap views"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 17914,
            "output_tokens": 736,
            "total_tokens": 18650,
            "estimated_cost_usd": 0.008932
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18454,
            "output_tokens": 1048,
            "total_tokens": 19502,
            "estimated_cost_usd": 0.004529
        }
    ]
}