Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.725,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.665,
    "seller_misidentification_probability": 0.03,
    "confidence": 0.865,
    "recommended_max_bid": 13.5,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 30,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a shoulder bag with a complete strap and pouch silhouette.",
        "photo 1: Brown, cream, and tan geometric bead decoration is visible.",
        "photo 2: The reverse is fully covered in brown beads."
    ],
    "negative_evidence": [
        "photo 1: The exterior is made from rows of small beads\/sequins rather than Coach's characteristic leather or recognized signature canvas.",
        "photo 1: No Coach wordmark, horse-and-carriage, hangtag, creed patch, or turnlock is visible.",
        "photo 2: No Coach identifier or leather construction is visible on the reverse.",
        "photo 1-2: body is all-over brown\/cream checkered beads, not leather - beads\/plastic per skill cap coach_probability <=0.05",
        "photo 1-2: no solid-brass turnlock, buckles, D-rings or dogleash clips visible",
        "photo 1-2: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
        "photo 1-2: narrow fabric strap with beaded edging, not Coach buckle-adjustable leather strap"
    ],
    "missing_information": [
        "photo 1: Interior, closure, lining, and any maker label are not shown.",
        "photo 1: Strap attachment and hardware details are only partially visible.",
        "photo 2: Bottom and side construction details are not shown.",
        "interior views not shown - lining and any labels\/tags unknown",
        "creed patch not shown - no close-up to verify maker",
        "hardware close-ups not shown - zipper\/closure type unknown",
        "bottom\/side views and dimensions\/scale not shown"
    ],
    "authenticity_concerns": [
        "photo 1: The beaded construction and geometric pattern are inconsistent with the typical vintage leather Coach handbag population.",
        "photo 2: No Coach identifiers are visible; this appears to be an unbranded or another-maker beaded bag rather than a Coach bag.",
        "photo 1-2: all-over beaded construction with plastic-appearing beads is inconsistent with Coach glove-tanned leather and solid-brass construction of any era"
    ],
    "possible_model_reasoning": [
        "photo 1: The pouch-like shoulder-bag silhouette is not specific to a Coach catalog model and the beadwork does not match the classic Coach construction catalog.",
        "photo 2: Reverse construction remains fully beaded, reinforcing a non-Coach beaded-bag identification.",
        "Condition: Appears generally intact from the two exterior photos, but interior, bottom, closures, and odor are unknown; condition cannot be graded above Very Good from incomplete views.",
        "No Coach model fits: beaded checkered shoulder bag silhouette, beaded body, fabric strap and absence of turnlock\/creed\/glove-tanned leather match no catalog style in 4.1-4.3",
        "Era reasoning: seller states 1970s; beaded style is consistent with 1960s-1970s non-Coach fashion, but without labels\/interior this cannot be dated; emitted as unknown",
        "Condition: seller states great vintage condition; photo 1-2 show intact beading front\/back but no interior, bottom, or close-ups so grade capped and lining\/odor 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: No visible metal hardware; a broad brown strap with beaded edging is attached to the bag.",
        "leather_description": "photo 1: No leather exterior is visible; the body appears densely covered with small brown, cream, and tan beads or sequins.",
        "lining_description": "not_visible - interior not shown",
        "strap_construction": "photo 1: Single broad shoulder strap with brown material and beaded edging; attachment construction is partly obscured.",
        "stitching_description": "not_visible"
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0042,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.85,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.78,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a shoulder bag with a complete strap and pouch silhouette.",
                    "photo 1: Brown, cream, and tan geometric bead decoration is visible.",
                    "photo 2: The reverse is fully covered in brown beads."
                ],
                "negative_evidence": [
                    "photo 1: The exterior is made from rows of small beads\/sequins rather than Coach's characteristic leather or recognized signature canvas.",
                    "photo 1: No Coach wordmark, horse-and-carriage, hangtag, creed patch, or turnlock is visible.",
                    "photo 2: No Coach identifier or leather construction is visible on the reverse."
                ],
                "missing_information": [
                    "photo 1: Interior, closure, lining, and any maker label are not shown.",
                    "photo 1: Strap attachment and hardware details are only partially visible.",
                    "photo 2: Bottom and side construction details are not shown."
                ],
                "authenticity_concerns": [
                    "photo 1: The beaded construction and geometric pattern are inconsistent with the typical vintage leather Coach handbag population.",
                    "photo 2: No Coach identifiers are visible; this appears to be an unbranded or another-maker beaded bag rather than a 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: No visible metal hardware; a broad brown strap with beaded edging is attached to the bag.",
                    "leather_description": "photo 1: No leather exterior is visible; the body appears densely covered with small brown, cream, and tan beads or sequins.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: Single broad shoulder strap with brown material and beaded edging; attachment construction is partly obscured.",
                    "stitching_description": "not_visible"
                },
                "possible_model_reasoning": [
                    "photo 1: The pouch-like shoulder-bag silhouette is not specific to a Coach catalog model and the beadwork does not match the classic Coach construction catalog.",
                    "photo 2: Reverse construction remains fully beaded, reinforcing a non-Coach beaded-bag identification.",
                    "Condition: Appears generally intact from the two exterior photos, but interior, bottom, closures, and odor are unknown; condition cannot be graded above Very Good from incomplete views."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 15,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1-2: all-over beaded construction with plastic-appearing beads is inconsistent with Coach glove-tanned leather and solid-brass construction of any era"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.85,
                "estimated_era": "unknown",
                "estimated_resale_high": 30,
                "estimated_resale_low": 10,
                "image_quality_score": 0.55,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "interior views not shown - lining and any labels\/tags unknown",
                    "creed patch not shown - no close-up to verify maker",
                    "hardware close-ups not shown - zipper\/closure type unknown",
                    "bottom\/side views and dimensions\/scale not shown"
                ],
                "negative_evidence": [
                    "photo 1-2: body is all-over brown\/cream checkered beads, not leather - beads\/plastic per skill cap coach_probability <=0.05",
                    "photo 1-2: no solid-brass turnlock, buckles, D-rings or dogleash clips visible",
                    "photo 1-2: no creed patch, COACH wordmark, horse-and-carriage, or leather hangtag visible",
                    "photo 1-2: narrow fabric strap with beaded edging, not Coach buckle-adjustable leather strap"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "not_visible - no metal hardware discernible in photo 1-2",
                    "leather_description": "photo 1-2: no leather body visible; all-over faceted beads in brown\/tan\/cream checkered pattern on front, solid brown on back; fabric strap",
                    "lining_description": "not_visible - interior not shown",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "not_visible",
                    "strap_construction": "photo 1-2: narrow dark brown fabric shoulder strap with beaded outer edge, sewn directly to bag body",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "No Coach model fits: beaded checkered shoulder bag silhouette, beaded body, fabric strap and absence of turnlock\/creed\/glove-tanned leather match no catalog style in 4.1-4.3",
                    "Era reasoning: seller states 1970s; beaded style is consistent with 1960s-1970s non-Coach fashion, but without labels\/interior this cannot be dated; emitted as unknown",
                    "Condition: seller states great vintage condition; photo 1-2 show intact beading front\/back but no interior, bottom, or close-ups so grade capped and lining\/odor unknown"
                ],
                "possible_models": [],
                "recommended_max_bid": 12,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.6
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16093,
            "output_tokens": 590,
            "total_tokens": 16683,
            "estimated_cost_usd": 0.007853
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 16464,
            "output_tokens": 1710,
            "total_tokens": 18174,
            "estimated_cost_usd": 0.004661
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}