Vintage Coach Hunter

{
    "is_handbag_probability": 0.99,
    "coach_probability": 0.015,
    "vintage_probability": 0.01,
    "authenticity_confidence": 0.015,
    "image_quality_score": 0.805,
    "seller_misidentification_probability": 0.02,
    "confidence": 0.92,
    "recommended_max_bid": 8,
    "estimated_resale_low": 5,
    "estimated_resale_high": 22.5,
    "possible_models": [],
    "positive_evidence": [],
    "negative_evidence": [
        "photo 3: the sewn\/embossed patch visibly reads \u201cSHI SHANG bao bao,\u201d not COACH.",
        "photos 1, 2, 6: the bag has a modern all-over floral and geometric decorative print, unlike Coach\u2019s paired-C Signature pattern.",
        "photos 1, 2, 6: the front closure appears to be a zipper with a decorative horseshoe-shaped metal element, not a Coach classic turnlock.",
        "photos 3, 4, 5: the material has a pronounced uniform pebbled synthetic-looking surface and finished edges, not visibly natural glove-tanned cowhide.",
        "photos 1, 2, 6: the hardware, chain decoration, and heart-shaped charms are inconsistent with the construction of common vintage Coach classics.",
        "photo 3-4: exterior tab legibly stamped SHI SHANG bao bao, a non-Coach maker mark",
        "photo 1-3: pink heart-clover \/ diamond print is not Coach Signature C and has no paired-C symmetry",
        "photo 1-2: zip-top hoboette silhouette with thin D-rings, bright gold-tone chain and buckle-adjustable thin strap, not vintage Coach construction",
        "photo 3-6: pebbled coated surface with printed motifs and piped edges, not glove-tanned leather",
        "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no turnlock, no leather hangtag visible"
    ],
    "missing_information": [
        "photo 1: interior, lining, and any sewn-in care or country-of-origin tag are not shown.",
        "photo 3: the visible brand patch is clear, but a full interior label\/tag inspection would confirm whether any additional branding is present.",
        "photo 1: bottom, corners, and zipper-pull details are not fully documented.",
        "photo 5-6: interior lining, pockets and any interior tags not shown",
        "photo 3: bottom, corners and side profile not shown",
        "photo 1-2: close-up of zipper-pull brand stamp not legible"
    ],
    "authenticity_concerns": [
        "photo 3: the visible non-Coach brand identification is inconsistent with Coach manufacture.",
        "photos 1, 2, 6: the decorative motif is not Coach Signature canvas and should not be treated as Coach branding.",
        "photos 1, 2, 6: the modern synthetic-looking construction and decorative hardware are inconsistent with the likely construction of a vintage Coach leather handbag."
    ],
    "possible_model_reasoning": [
        "No Coach model is a reasonable match because the visible brand patch reads \u201cSHI SHANG bao bao\u201d and the bag has no visible Coach identifiers.",
        "Condition: approximately Very Good based on clean exterior and apparently intact hardware; interior, odor, and underside condition are unknown.",
        "Explicit non-Coach branding SHI SHANG bao bao legible in photo 4 rules out Coach manufacture",
        "Modern zip-top mini hoboette with printed novelty motif and chain-plus-webbing straps has no catalog match in Coach classics or modern lines",
        "Condition: Like New \/ Mint appearance in photos; no corner wear visible on shown faces (photo 3), but bottom, interior and strap 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": "photos 1, 2, 6: gold-tone zipper hardware, D-rings, chain decoration, buckle\/strap fittings, and two heart-shaped charms are visible. No Coach-stamped hardware is visible.",
        "leather_description": "photos 3, 4, 5: light pink, uniform pebbled material with printed decorative motifs and finished matching edges; it appears synthetic or coated, but the exact material cannot be confirmed from photos alone.",
        "lining_description": "not_visible",
        "strap_construction": "photos 1, 2, 6: detachable adjustable pink shoulder strap with gold-tone clips and a decorative chain component.",
        "stitching_description": "photos 3, 4, 5: visible perimeter stitching appears generally even, with some loose or irregular-looking thread details near the upper edges."
    },
    "ensemble_agreement": "HIGH",
    "ensemble_variance": 0.0017,
    "ensemble_members": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "result": {
                "is_handbag_probability": 0.99,
                "coach_probability": 0.02,
                "vintage_probability": 0.01,
                "authenticity_confidence": 0.02,
                "image_quality_score": 0.91,
                "seller_misidentification_probability": 0.03,
                "estimated_era": "modern (2000s+), non-Coach",
                "possible_models": [],
                "positive_evidence": [],
                "negative_evidence": [
                    "photo 3: the sewn\/embossed patch visibly reads \u201cSHI SHANG bao bao,\u201d not COACH.",
                    "photos 1, 2, 6: the bag has a modern all-over floral and geometric decorative print, unlike Coach\u2019s paired-C Signature pattern.",
                    "photos 1, 2, 6: the front closure appears to be a zipper with a decorative horseshoe-shaped metal element, not a Coach classic turnlock.",
                    "photos 3, 4, 5: the material has a pronounced uniform pebbled synthetic-looking surface and finished edges, not visibly natural glove-tanned cowhide.",
                    "photos 1, 2, 6: the hardware, chain decoration, and heart-shaped charms are inconsistent with the construction of common vintage Coach classics."
                ],
                "missing_information": [
                    "photo 1: interior, lining, and any sewn-in care or country-of-origin tag are not shown.",
                    "photo 3: the visible brand patch is clear, but a full interior label\/tag inspection would confirm whether any additional branding is present.",
                    "photo 1: bottom, corners, and zipper-pull details are not fully documented."
                ],
                "authenticity_concerns": [
                    "photo 3: the visible non-Coach brand identification is inconsistent with Coach manufacture.",
                    "photos 1, 2, 6: the decorative motif is not Coach Signature canvas and should not be treated as Coach branding.",
                    "photos 1, 2, 6: the modern synthetic-looking construction and decorative hardware are inconsistent with the likely construction of a vintage Coach leather handbag."
                ],
                "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": "photos 1, 2, 6: gold-tone zipper hardware, D-rings, chain decoration, buckle\/strap fittings, and two heart-shaped charms are visible. No Coach-stamped hardware is visible.",
                    "leather_description": "photos 3, 4, 5: light pink, uniform pebbled material with printed decorative motifs and finished matching edges; it appears synthetic or coated, but the exact material cannot be confirmed from photos alone.",
                    "lining_description": "not_visible",
                    "strap_construction": "photos 1, 2, 6: detachable adjustable pink shoulder strap with gold-tone clips and a decorative chain component.",
                    "stitching_description": "photos 3, 4, 5: visible perimeter stitching appears generally even, with some loose or irregular-looking thread details near the upper edges."
                },
                "possible_model_reasoning": [
                    "No Coach model is a reasonable match because the visible brand patch reads \u201cSHI SHANG bao bao\u201d and the bag has no visible Coach identifiers.",
                    "Condition: approximately Very Good based on clean exterior and apparently intact hardware; interior, odor, and underside condition are unknown."
                ],
                "confidence": 0.94,
                "recommended_max_bid": 8,
                "estimated_resale_low": 5,
                "estimated_resale_high": 25
            }
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "result": {
                "authenticity_concerns": [],
                "authenticity_confidence": 0.01,
                "coach_probability": 0.01,
                "confidence": 0.9,
                "estimated_era": "modern (2000s+), non-Coach",
                "estimated_resale_high": 20,
                "estimated_resale_low": 5,
                "image_quality_score": 0.7,
                "is_handbag_probability": 0.99,
                "missing_information": [
                    "photo 5-6: interior lining, pockets and any interior tags not shown",
                    "photo 3: bottom, corners and side profile not shown",
                    "photo 1-2: close-up of zipper-pull brand stamp not legible"
                ],
                "negative_evidence": [
                    "photo 3-4: exterior tab legibly stamped SHI SHANG bao bao, a non-Coach maker mark",
                    "photo 1-3: pink heart-clover \/ diamond print is not Coach Signature C and has no paired-C symmetry",
                    "photo 1-2: zip-top hoboette silhouette with thin D-rings, bright gold-tone chain and buckle-adjustable thin strap, not vintage Coach construction",
                    "photo 3-6: pebbled coated surface with printed motifs and piped edges, not glove-tanned leather",
                    "photo 1-6: no creed patch, no COACH wordmark, no horse-and-carriage, no turnlock, no leather hangtag visible"
                ],
                "observed_features": {
                    "coach_wordmark_present": false,
                    "creed_present": false,
                    "creed_text": "not_visible",
                    "hangtag_present": false,
                    "hardware_description": "bright gold-tone zipper, D-rings, buckle on detachable strap and chain shoulder chain with strawberry charms (photo 1-2); lightweight plated appearance, not solid vintage brass",
                    "leather_description": "light pink pebbled-grain coated material with darker pink printed heart-flower and diamond motifs (photo 3-6); appears synthetic \/ coated, not glove-tanned cowhide",
                    "lining_description": "not_visible",
                    "serial_or_style_number": "not_visible",
                    "serial_or_style_number_present": false,
                    "stitching_description": "thin light thread around top edge and piping, visible in photo 4-5; no heavy matched vintage stitching observed",
                    "strap_construction": "thin pink detachable adjustable crossbody strap with buckle plus gold-tone chain with charms (photo 1-2)",
                    "turnlock_present": false
                },
                "positive_evidence": [],
                "possible_model_reasoning": [
                    "Explicit non-Coach branding SHI SHANG bao bao legible in photo 4 rules out Coach manufacture",
                    "Modern zip-top mini hoboette with printed novelty motif and chain-plus-webbing straps has no catalog match in Coach classics or modern lines",
                    "Condition: Like New \/ Mint appearance in photos; no corner wear visible on shown faces (photo 3), but bottom, interior and strap wear unknown so grade capped"
                ],
                "possible_models": [],
                "recommended_max_bid": 8,
                "seller_misidentification_probability": 0.01,
                "vintage_probability": 0.01
            }
        }
    ],
    "_usage": [
        {
            "model_name": "openai:gpt-5.6-luna",
            "input_tokens": 30940,
            "output_tokens": 832,
            "total_tokens": 31772,
            "estimated_cost_usd": 0.014373
        },
        {
            "model_name": "meta:muse-spark-1.3-contributor",
            "input_tokens": 32892,
            "output_tokens": 1284,
            "total_tokens": 34176,
            "estimated_cost_usd": 0.007606
        }
    ]
}