Vintage Coach Hunter

{
    "is_handbag_probability": 0.915,
    "coach_probability": 0.02,
    "vintage_probability": 0.03,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.275,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.49,
    "recommended_max_bid": 6.5,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: The item appears to be a small shoulder handbag with a zippered opening and long strap.",
        "photo 1: Seller title describes a crescent shoulder-bag silhouette."
    ],
    "negative_evidence": [
        "photo 1: Visible interior appears to be woven, braided, or synthetic textile rather than Coach glove-tanned leather.",
        "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
        "photo 1: The visible construction does not resemble a classic unlined glove-tanned Coach leather bag.",
        "photo 1: Interior has a concentric stitched or woven base and open decorative side construction, which is not a recognizable vintage Coach identifier.",
        "photo 1: body and interior are woven braided straw\/rope\/crochet textile, not glove-tanned leather",
        "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage visible",
        "photo 1: no solid brass hardware, no turnlock, no leather hangtag visible",
        "photo 1: zip-top crescent construction inconsistent with vintage Coach classics"
    ],
    "missing_information": [
        "Straight-on exterior front and back photos.",
        "Interior back wall and pocket close-up showing whether any brand or creed patch exists.",
        "Close-ups of zipper pull, strap attachments, and hardware.",
        "Bottom, side, corner, and full strap photos.",
        "Material and dimensions are not independently verifiable from the provided image.",
        "photo 1-2: only interior\/top view shown, duplicate images - no front, back, side, bottom, or exterior views",
        "photo 1-2: creed patch \/ interior branding not shown",
        "photo 1-2: turnlock, hardware close-up, zipper-pull stamp not shown",
        "photo 1-2: hangtag not shown",
        "photo 1-2: full strap construction and attachment not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The visible textile\/braided construction and lack of any Coach identifiers are consistent with an unbranded or lookalike bag rather than Coach.",
        "Only one duplicated interior view is provided, so a hidden label cannot be ruled out."
    ],
    "possible_model_reasoning": [
        "No Coach model is supported by the visible construction or identifiers.",
        "Condition: Not gradable beyond limited interior view; exterior, bottom, corners, and strap condition are not shown.",
        "photo 1-2: woven crescent zip-top shoulder bag does not match any Coach catalog silhouette in glove-tanned leather",
        "No Coach identifiers visible in either photo; material alone places bag outside vintage Coach population per triage rule",
        "Condition: unable to grade - only interior shown, exterior wear, corners, strap unknown"
    ],
    "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: A zipper is visible around the opening; zipper pull, metal finish, and other hardware are not clearly visible.",
        "leather_description": "photo 1: Exterior appears beige\/tan and textured or braided; leather cannot be confirmed.",
        "lining_description": "photo 1: Beige woven or perforated textile-like interior with concentric stitching at the base; no label is visible.",
        "strap_construction": "photo 1: A long beige strap is partially visible; attachment construction and adjustability are not visible.",
        "stitching_description": "photo 1: Concentric stitching is visible on the interior base; overall stitching quality cannot be assessed."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0064,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.93,
                "coach_probability": 0.02,
                "vintage_probability": 0.03,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.3,
                "seller_misidentification_probability": 0.02,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: The item appears to be a small shoulder handbag with a zippered opening and long strap.",
                    "photo 1: Seller title describes a crescent shoulder-bag silhouette."
                ],
                "negative_evidence": [
                    "photo 1: Visible interior appears to be woven, braided, or synthetic textile rather than Coach glove-tanned leather.",
                    "photo 1: No visible Coach wordmark, horse-and-carriage, creed patch, serial\/style number, or hangtag.",
                    "photo 1: The visible construction does not resemble a classic unlined glove-tanned Coach leather bag.",
                    "photo 1: Interior has a concentric stitched or woven base and open decorative side construction, which is not a recognizable vintage Coach identifier."
                ],
                "missing_information": [
                    "Straight-on exterior front and back photos.",
                    "Interior back wall and pocket close-up showing whether any brand or creed patch exists.",
                    "Close-ups of zipper pull, strap attachments, and hardware.",
                    "Bottom, side, corner, and full strap photos.",
                    "Material and dimensions are not independently verifiable from the provided image."
                ],
                "authenticity_concerns": [
                    "photo 1: The visible textile\/braided construction and lack of any Coach identifiers are consistent with an unbranded or lookalike bag rather than Coach.",
                    "Only one duplicated interior view is provided, so a hidden label cannot be ruled out."
                ],
                "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: A zipper is visible around the opening; zipper pull, metal finish, and other hardware are not clearly visible.",
                    "leather_description": "photo 1: Exterior appears beige\/tan and textured or braided; leather cannot be confirmed.",
                    "lining_description": "photo 1: Beige woven or perforated textile-like interior with concentric stitching at the base; no label is visible.",
                    "strap_construction": "photo 1: A long beige strap is partially visible; attachment construction and adjustability are not visible.",
                    "stitching_description": "photo 1: Concentric stitching is visible on the interior base; overall stitching quality cannot be assessed."
                },
                "possible_model_reasoning": [
                    "No Coach model is supported by the visible construction or identifiers.",
                    "Condition: Not gradable beyond limited interior view; exterior, bottom, corners, and strap condition are not shown."
                ],
                "confidence": 0.28,
                "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": 0.7,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.25,
                "is_handbag_probability": 0.9,
                "missing_information": [
                    "photo 1-2: only interior\/top view shown, duplicate images - no front, back, side, bottom, or exterior views",
                    "photo 1-2: creed patch \/ interior branding not shown",
                    "photo 1-2: turnlock, hardware close-up, zipper-pull stamp not shown",
                    "photo 1-2: hangtag not shown",
                    "photo 1-2: full strap construction and attachment not shown"
                ],
                "negative_evidence": [
                    "photo 1: body and interior are woven braided straw\/rope\/crochet textile, not glove-tanned leather",
                    "photo 1: no creed patch, no COACH wordmark, no horse-and-carriage visible",
                    "photo 1: no solid brass hardware, no turnlock, no leather hangtag visible",
                    "photo 1: zip-top crescent construction inconsistent with vintage Coach classics"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - only beige zipper teeth\/tape visible at top opening, no brass hardware, no turnlock, no stamps visible",
                    "leather_description": "no leather visible - beige\/brown woven braided straw\/rope textile",
                    "lining_description": "unlined - interior appears same woven textile as exterior, no suede or fabric lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "not_visible - long shoulder strap mentioned in title but not shown except small cord segments at top edge",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1-2: woven crescent zip-top shoulder bag does not match any Coach catalog silhouette in glove-tanned leather",
                    "No Coach identifiers visible in either photo; material alone places bag outside vintage Coach population per triage rule",
                    "Condition: unable to grade - only interior shown, exterior wear, corners, strap unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.03
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 18047,
            "output_tokens": 683,
            "total_tokens": 18730,
            "estimated_cost_usd": 0.008858
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 18509,
            "output_tokens": 1167,
            "total_tokens": 19676,
            "estimated_cost_usd": 0.004635
        }
    ]
}