Vintage Coach Hunter

{
    "is_handbag_probability": 0.97,
    "coach_probability": 0.37,
    "vintage_probability": 0.04,
    "authenticity_confidence": 0.31,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.385,
    "confidence": 0.69,
    "recommended_max_bid": 19,
    "estimated_resale_low": 22.5,
    "estimated_resale_high": 67.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: script Coach wordmark debossed on interior slip pocket",
        "photo 1: smooth leather interior construction and gold-tone hardware tone consistent with modern Coach mini bags",
        "photo 1: small lilac mini purse silhouette with leather lining, not nylon\/PVC\/faux indicators"
    ],
    "negative_evidence": [
        "photo 1: Interior leather-like panel is visibly embossed with a script wordmark that appears to read \u201cGuess,\u201d not COACH.",
        "photo 1: The bag has a fabric-textile interior and light, fashion-bag construction rather than the visible unlined glove-tanned leather associated with many vintage Coach classics.",
        "photo 1: No Coach creed patch, Coach wordmark, horse-and-carriage mark, or recognizable vintage Coach identifier is visible.",
        "photo 1: no creed patch, serial number, hangtag or turnlock visible",
        "photo 1: only one interior view provided, no exterior silhouette to match to catalog style"
    ],
    "missing_information": [
        "Exterior front, back, sides, bottom, and closure views.",
        "Close-up of the embossed interior wordmark to confirm the brand reading.",
        "Full strap, hardware, and condition photographs.",
        "exterior front, back, side and bottom views with scale",
        "creed patch or white fabric tag with style\/serial code in pocket seam",
        "hardware close-ups and any COACH engraving on snap, rings or zipper",
        "full strap length, buckle holes and attachment clips",
        "seller-stated dimensions and exterior condition"
    ],
    "authenticity_concerns": [
        "photo 1: The visible script brand mark appears inconsistent with Coach and indicates a likely Guess or other non-Coach bag.",
        "photo 1: only single interior view provided, no creed patch or white fabric content tag visible to verify factory code",
        "photo 1: exterior, bottom, strap and hardware engravings not shown so consistency check incomplete"
    ],
    "possible_model_reasoning": [
        "photo 1: The visible interior script appears to identify the bag as Guess rather than any Coach model; no Coach model match is supported.",
        "Condition: Good based on the single interior photograph; the interior appears generally clean, but exterior corners, strap, bottom, and hardware wear are not shown.",
        "photo 1 shows only open interior of a small lilac bucket\/tote-type mini purse with Coach script on slip pocket, insufficient to assign specific style number",
        "era 2015-present reasoned from script interior deboss, leather-lined modern construction and gold-tone magnetic snap rather than vintage brass turnlock and unlined glove-tanned construction",
        "Condition: Good per seller text; photo 1 shows clean interior with no obvious stains, but exterior corners, strap and hardware wear unknown so grade capped"
    ],
    "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 ring hardware and a small gold-tone fastener are visible; no Coach engraving is visible.",
        "leather_description": "photo 1: Pale lilac and cream smooth leather-like or coated material is visible; exact material cannot be confirmed.",
        "lining_description": "photo 1: Pale lilac fabric or textile lining is visible, with a sewn interior slip pocket.",
        "strap_construction": "photo 1: A light-colored adjustable-looking strap or handle segment is partially visible; full construction is not shown.",
        "stitching_description": "photo 1: Machine stitching appears generally even around the interior pocket and trim."
    },
    "ensemble_agreement": "LOW",
    "ensemble_variance": 0.0501,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.05,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 1: Interior leather-like panel is visibly embossed with a script wordmark that appears to read \u201cGuess,\u201d not COACH.",
                    "photo 1: The bag has a fabric-textile interior and light, fashion-bag construction rather than the visible unlined glove-tanned leather associated with many vintage Coach classics.",
                    "photo 1: No Coach creed patch, Coach wordmark, horse-and-carriage mark, or recognizable vintage Coach identifier is visible."
                ],
                "missing_information": [
                    "Exterior front, back, sides, bottom, and closure views.",
                    "Close-up of the embossed interior wordmark to confirm the brand reading.",
                    "Full strap, hardware, and condition photographs."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible script brand mark appears inconsistent with Coach and indicates a likely Guess or other non-Coach bag."
                ],
                "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 ring hardware and a small gold-tone fastener are visible; no Coach engraving is visible.",
                    "leather_description": "photo 1: Pale lilac and cream smooth leather-like or coated material is visible; exact material cannot be confirmed.",
                    "lining_description": "photo 1: Pale lilac fabric or textile lining is visible, with a sewn interior slip pocket.",
                    "strap_construction": "photo 1: A light-colored adjustable-looking strap or handle segment is partially visible; full construction is not shown.",
                    "stitching_description": "photo 1: Machine stitching appears generally even around the interior pocket and trim."
                },
                "possible_model_reasoning": [
                    "photo 1: The visible interior script appears to identify the bag as Guess rather than any Coach model; no Coach model match is supported.",
                    "Condition: Good based on the single interior photograph; the interior appears generally clean, but exterior corners, strap, bottom, and hardware wear are not shown."
                ],
                "confidence": 0.83,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: only single interior view provided, no creed patch or white fabric content tag visible to verify factory code",
                    "photo 1: exterior, bottom, strap and hardware engravings not shown so consistency check incomplete"
                ],
                "authenticity_confidence": 0.6,
                "coach_probability": 0.72,
                "confidence": 0.55,
                "estimated_era": "2015-present",
                "estimated_resale_high": 110,
                "estimated_resale_low": 40,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.96,
                "missing_information": [
                    "exterior front, back, side and bottom views with scale",
                    "creed patch or white fabric tag with style\/serial code in pocket seam",
                    "hardware close-ups and any COACH engraving on snap, rings or zipper",
                    "full strap length, buckle holes and attachment clips",
                    "seller-stated dimensions and exterior condition"
                ],
                "negative_evidence": [
                    "photo 1: no creed patch, serial number, hangtag or turnlock visible",
                    "photo 1: only one interior view provided, no exterior silhouette to match to catalog style"
                ],
                "observed_features": {
                    "coach_wordmark_present": true,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "photo 1: gold-tone magnetic snap and side O-ring, modern plated appearance; engravings not legible",
                    "leather_description": "photo 1: smooth light lilac\/off-white leather exterior and leather-look interior, even tone, modern finished leather",
                    "lining_description": "photo 1: leather-trimmed interior in matching lilac with stitched slip pocket, no fabric lining visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "photo 1: light-colored even straight stitching on strap and around interior slip pocket",
                    "strap_construction": "photo 1: partial light-colored shoulder strap with edge stitching visible; full length and attachments not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [
                    "photo 1: script Coach wordmark debossed on interior slip pocket",
                    "photo 1: smooth leather interior construction and gold-tone hardware tone consistent with modern Coach mini bags",
                    "photo 1: small lilac mini purse silhouette with leather lining, not nylon\/PVC\/faux indicators"
                ],
                "possible_model_reasoning": [
                    "photo 1 shows only open interior of a small lilac bucket\/tote-type mini purse with Coach script on slip pocket, insufficient to assign specific style number",
                    "era 2015-present reasoned from script interior deboss, leather-lined modern construction and gold-tone magnetic snap rather than vintage brass turnlock and unlined glove-tanned construction",
                    "Condition: Good per seller text; photo 1 shows clean interior with no obvious stains, but exterior corners, strap and hardware wear unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 30,
                "seller_misidentification_probability": 0.72,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 15521,
            "output_tokens": 597,
            "total_tokens": 16118,
            "estimated_cost_usd": 0.007641
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 15811,
            "output_tokens": 1374,
            "total_tokens": 17185,
            "estimated_cost_usd": 0.004261
        }
    ]
}