Vintage Coach Hunter

{
    "is_handbag_probability": 0.965,
    "coach_probability": 0.02,
    "vintage_probability": 0.115,
    "authenticity_confidence": 0.02,
    "image_quality_score": 0.71,
    "seller_misidentification_probability": 0.105,
    "confidence": 0.865,
    "recommended_max_bid": 9,
    "estimated_resale_low": 5,
    "estimated_resale_high": 25,
    "possible_models": [],
    "positive_evidence": [
        "photo 1: Clearly a handbag with shoulder handles, structured rectangular silhouette, and top zipper.",
        "photo 3: Decorative textile floral applique is visible on the front."
    ],
    "negative_evidence": [
        "photo 1: Exterior is patterned fabric with Asian-style characters and red square motifs, not a Coach leather or recognizable Coach signature-canvas design.",
        "photo 2: Interior appears to be black synthetic or nylon lining with a generic zipper pocket; no Coach creed or brand label is visible.",
        "photo 1: No Coach wordmark, horse-and-carriage, leather hangtag, or recognizable Coach hardware is visible.",
        "photo 3: Front decoration and fabric construction are inconsistent with the classic vintage Coach construction described in the reference.",
        "photo 1: woven fabric exterior with Asian-script print, not glove-tanned leather",
        "photo 1: black top handles appear synthetic, no solid brass hardware",
        "photo 2: black synthetic fabric lining with interior zip pocket, no leather creed patch visible",
        "photo 1, photo 3: no COACH wordmark, horse-and-carriage, turnlock, or leather hangtag visible",
        "photo 3: fabric frog \/ knotted applique closure detail, not Coach construction"
    ],
    "missing_information": [
        "photo 1-3: No interior brand label or creed close-up is provided.",
        "photo 1: Bottom, side seams, zipper pull, and handle attachment details are not shown closely.",
        "photo 2: The full interior and any sewn-in fabric tags are not shown.",
        "photo of back \/ bottom \/ side views not provided",
        "close-up of zipper pull brand stamp not shown",
        "fabric content \/ brand label inside pocket not shown"
    ],
    "authenticity_concerns": [
        "The fabric exterior, generic black lining, and decorative applique provide no Coach identifier and are more consistent with a generic Asian-style textile handbag.",
        "No visible evidence supports Coach manufacture; the bag should not be valued as vintage Coach."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the bag lacks a Coach identifier and does not resemble the listed leather, signature-canvas, or classic Coach silhouettes.",
        "Condition: approximately Good to Very Good from the limited photos; the exterior is intact and the interior is visible, but bottom corners, handle wear, odor, and complete construction are not assessable.",
        "photo 1 silhouette is zip-top fabric tote with twin handles - does not match any vintage Coach glove-tanned catalog style",
        "no creed, serial, wordmark, brass hardware, or unlined glove-tanned leather to support Coach manufacture",
        "Condition: Good to Very Good based on visible exterior and lining; bottom corners, strap wear, and odor not assessable from photos"
    ],
    "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 2: Black zipper closure and interior zipper pocket are visible; no Coach engraving or distinctive vintage brass hardware is visible.",
        "leather_description": "photo 1: No leather body is visible; the exterior appears to be patterned woven or printed fabric with black fabric trim and handles.",
        "lining_description": "photo 2: Black fabric or synthetic lining with a zipper pocket is visible.",
        "strap_construction": "photo 1: Two black fixed shoulder handles are visible; attachment details are only partly shown.",
        "stitching_description": "photo 1-3: General edge and applique stitching is visible, but stitch quality and construction details are not sufficiently close for a detailed assessment."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0032,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.98,
                "coach_probability": 0.02,
                "vintage_probability": 0.18,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.82,
                "seller_misidentification_probability": 0.18,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [
                    "photo 1: Clearly a handbag with shoulder handles, structured rectangular silhouette, and top zipper.",
                    "photo 3: Decorative textile floral applique is visible on the front."
                ],
                "negative_evidence": [
                    "photo 1: Exterior is patterned fabric with Asian-style characters and red square motifs, not a Coach leather or recognizable Coach signature-canvas design.",
                    "photo 2: Interior appears to be black synthetic or nylon lining with a generic zipper pocket; no Coach creed or brand label is visible.",
                    "photo 1: No Coach wordmark, horse-and-carriage, leather hangtag, or recognizable Coach hardware is visible.",
                    "photo 3: Front decoration and fabric construction are inconsistent with the classic vintage Coach construction described in the reference."
                ],
                "missing_information": [
                    "photo 1-3: No interior brand label or creed close-up is provided.",
                    "photo 1: Bottom, side seams, zipper pull, and handle attachment details are not shown closely.",
                    "photo 2: The full interior and any sewn-in fabric tags are not shown."
                ],
                "authenticity_concerns": [
                    "The fabric exterior, generic black lining, and decorative applique provide no Coach identifier and are more consistent with a generic Asian-style textile handbag.",
                    "No visible evidence supports Coach manufacture; the bag should not be valued as vintage 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 2: Black zipper closure and interior zipper pocket are visible; no Coach engraving or distinctive vintage brass hardware is visible.",
                    "leather_description": "photo 1: No leather body is visible; the exterior appears to be patterned woven or printed fabric with black fabric trim and handles.",
                    "lining_description": "photo 2: Black fabric or synthetic lining with a zipper pocket is visible.",
                    "strap_construction": "photo 1: Two black fixed shoulder handles are visible; attachment details are only partly shown.",
                    "stitching_description": "photo 1-3: General edge and applique stitching is visible, but stitch quality and construction details are not sufficiently close for a detailed assessment."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the bag lacks a Coach identifier and does not resemble the listed leather, signature-canvas, or classic Coach silhouettes.",
                    "Condition: approximately Good to Very Good from the limited photos; the exterior is intact and the interior is visible, but bottom corners, handle wear, odor, and complete construction are not assessable."
                ],
                "confidence": 0.88,
                "recommended_max_bid": 8,
                "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": 0.85,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.6,
                "is_handbag_probability": 0.95,
                "missing_information": [
                    "photo of back \/ bottom \/ side views not provided",
                    "close-up of zipper pull brand stamp not shown",
                    "fabric content \/ brand label inside pocket not shown"
                ],
                "negative_evidence": [
                    "photo 1: woven fabric exterior with Asian-script print, not glove-tanned leather",
                    "photo 1: black top handles appear synthetic, no solid brass hardware",
                    "photo 2: black synthetic fabric lining with interior zip pocket, no leather creed patch visible",
                    "photo 1, photo 3: no COACH wordmark, horse-and-carriage, turnlock, or leather hangtag visible",
                    "photo 3: fabric frog \/ knotted applique closure detail, not Coach construction"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "black zipper with black fabric pull tab visible in photo 2; no brass turnlock, buckles, or branded pulls visible",
                    "leather_description": "no leather visible; green woven fabric with black script motif and red squares in photo 1 and photo 3",
                    "lining_description": "photo 2: black fabric lining, interior zip pocket, no suede or leather lining",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "top edge stitching visible in photo 3; no detailed stitch assessment possible",
                    "strap_construction": "photo 1: twin fixed black top handles, material appears synthetic, attachment method not visible",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "photo 1 silhouette is zip-top fabric tote with twin handles - does not match any vintage Coach glove-tanned catalog style",
                    "no creed, serial, wordmark, brass hardware, or unlined glove-tanned leather to support Coach manufacture",
                    "Condition: Good to Very Good based on visible exterior and lining; bottom corners, strap wear, and odor not assessable from photos"
                ],
                "possible_models": [],
                "recommended_max_bid": 10,
                "seller_misidentification_probability": 0.03,
                "vintage_probability": 0.05
            }
        }
    ],
    "_usage": [
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            "output_tokens": 717,
            "total_tokens": 17141,
            "estimated_cost_usd": 0.00829
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
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}