[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

天然包浆的判据:植鞣革(Veg-tan)随时间氧化变深,颜色过渡自然、高频摩擦处(提手、边角)颜色更深且有油润光泽。人工做旧的包浆颜色分布突兀、深浅边界生硬,凑近闻有化学染料味

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Long-term
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