Vintage Coach Hunter

{
    "is_handbag_probability": 0.985,
    "coach_probability": 0.02,
    "vintage_probability": 0.015,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.73,
    "seller_misidentification_probability": 0.07,
    "confidence": 0.85,
    "recommended_max_bid": 10,
    "estimated_resale_low": 7.5,
    "estimated_resale_high": 27.5,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: clearly a structured top-handle handbag with two handles and gold-tone hardware."
    ],
    "negative_evidence": [
        "photo 1: all-over brown\/tan monogram consists of large floral and quatrefoil motifs, not Coach Signature C patterning.",
        "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
        "photo 1: coated-looking monogram material and contrasting tan printed trim do not resemble vintage glove-tanned Coach construction.",
        "photo 1: seller title describes it as a fashion monogram tote and seller identifies it as unbranded.",
        "photo 1: all-over brown\/beige floral monogram canvas does not match Coach Signature C pairing, symmetry or Cs",
        "photo 1: coated-canvas appearing tote with bright gold-tone hardware, inconsistent with vintage glove-tanned Coach classics",
        "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
        "photo 1: top-handle structured tote silhouette with riveted side tabs does not match catalog vintage Coach styles"
    ],
    "missing_information": [
        "photo 1 shows only the exterior front; request interior, lining, creed or brand label, bottom, side, handle attachment, zipper\/hardware close-ups, and any serial\/style tag.",
        "interior views including creed patch \/ fabric tags not shown",
        "back, side, bottom and hardware close-ups not shown",
        "lining and material composition not shown",
        "dimensions and scale cue not shown"
    ],
    "authenticity_concerns": [
        "photo 1: the prominent non-Coach monogram and absence of Coach identifiers indicate a likely generic or designer-inspired lookalike rather than Coach.",
        "photo 1: all-over brown\/beige flower monogram is LV-style, not Coach Signature C pairing and alignment; brand-evoking motif is not brand evidence"
    ],
    "possible_model_reasoning": [
        "photo 1: silhouette is a generic structured monogram tote, not a recognizable vintage Coach catalog style.",
        "photo 1: no visible identifier supports dating; the coated monogram and hardware suggest modern manufacture.",
        "Condition: cannot reliably grade because only one exterior view is provided; bottom, interior, corners, and handle wear are not shown.",
        "Not a Coach silhouette, material, or print; no Coach identifier visible so no Coach model can be ranked",
        "Era from coated monogram canvas and bright plated hardware is modern non-Coach, not vintage",
        "Condition: cannot grade; only single front view shown, interior, corners, bottom and strap not shown"
    ],
    "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 rectangular buckle-like handle attachments and small round rivets; no Coach engraving visible.",
        "leather_description": "photo 1: dark brown textured\/coated-looking monogram exterior with tan printed trim; natural leather is not established.",
        "lining_description": "not_visible",
        "strap_construction": "photo 1: two short top handles with tan patterned facing and dark edge finishing; handles attach through buckle-like fittings.",
        "stitching_description": "photo 1: visible perimeter stitching appears regular, though construction details are limited to the front exterior."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0029,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.86,
                "seller_misidentification_probability": 0.12,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: clearly a structured top-handle handbag with two handles and gold-tone hardware."
                ],
                "negative_evidence": [
                    "photo 1: all-over brown\/tan monogram consists of large floral and quatrefoil motifs, not Coach Signature C patterning.",
                    "photo 1: no visible Coach wordmark, horse-and-carriage, creed patch, hangtag, or other Coach identifier.",
                    "photo 1: coated-looking monogram material and contrasting tan printed trim do not resemble vintage glove-tanned Coach construction.",
                    "photo 1: seller title describes it as a fashion monogram tote and seller identifies it as unbranded."
                ],
                "missing_information": [
                    "photo 1 shows only the exterior front; request interior, lining, creed or brand label, bottom, side, handle attachment, zipper\/hardware close-ups, and any serial\/style tag."
                ],
                "authenticity_concerns": [
                    "photo 1: the prominent non-Coach monogram and absence of Coach identifiers indicate a likely generic or designer-inspired lookalike rather than Coach."
                ],
                "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 rectangular buckle-like handle attachments and small round rivets; no Coach engraving visible.",
                    "leather_description": "photo 1: dark brown textured\/coated-looking monogram exterior with tan printed trim; natural leather is not established.",
                    "lining_description": "not_visible",
                    "strap_construction": "photo 1: two short top handles with tan patterned facing and dark edge finishing; handles attach through buckle-like fittings.",
                    "stitching_description": "photo 1: visible perimeter stitching appears regular, though construction details are limited to the front exterior."
                },
                "possible_model_reasoning": [
                    "photo 1: silhouette is a generic structured monogram tote, not a recognizable vintage Coach catalog style.",
                    "photo 1: no visible identifier supports dating; the coated monogram and hardware suggest modern manufacture.",
                    "Condition: cannot reliably grade because only one exterior view is provided; bottom, interior, corners, and handle wear are not shown."
                ],
                "confidence": 0.82,
                "recommended_max_bid": 10,
                "estimated_resale_low": 5,
                "estimated_resale_high": 30
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [
                    "photo 1: all-over brown\/beige flower monogram is LV-style, not Coach Signature C pairing and alignment; brand-evoking motif is not brand evidence"
                ],
                "authenticity_confidence": 0.02,
                "coach_probability": 0.02,
                "confidence": 0.88,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 25,
                "estimated_resale_low": 10,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "interior views including creed patch \/ fabric tags not shown",
                    "back, side, bottom and hardware close-ups not shown",
                    "lining and material composition not shown",
                    "dimensions and scale cue not shown"
                ],
                "negative_evidence": [
                    "photo 1: all-over brown\/beige floral monogram canvas does not match Coach Signature C pairing, symmetry or Cs",
                    "photo 1: coated-canvas appearing tote with bright gold-tone hardware, inconsistent with vintage glove-tanned Coach classics",
                    "photo 1: no COACH wordmark, horse-and-carriage, creed patch, or hangtag visible",
                    "photo 1: top-handle structured tote silhouette with riveted side tabs does not match catalog vintage Coach styles"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone hardware visible on handle D-rings and side rivets; no engraving legible; modern plated appearance",
                    "leather_description": "brown\/beige monogram coated-canvas appearing body with tan top handles and trim; not glove-tanned leather",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "tan edge stitching visible along sides and top edge; no detail sufficient to assess vintage Coach construction",
                    "strap_construction": "dual rolled top handles attached via D-rings to oval patches; detachable shoulder strap fittings visible at top sides but strap not shown",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Not a Coach silhouette, material, or print; no Coach identifier visible so no Coach model can be ranked",
                    "Era from coated monogram canvas and bright plated hardware is modern non-Coach, not vintage",
                    "Condition: cannot grade; only single front view shown, interior, corners, bottom and strap not shown"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.02,
                "vintage_probability": 0.02
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 16969,
            "output_tokens": 557,
            "total_tokens": 17526,
            "estimated_cost_usd": 0.008124
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 17404,
            "output_tokens": 1249,
            "total_tokens": 18653,
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    ]
}