An alternative to art-title insurance is for collectors to do due diligence about the provenance of a work of art themselves.
收藏者可以采用的一个替代艺术品产权保证险的方法就是对艺术品本身的来源开展尽职调查。
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When sellers put art up for sale at Christie's, they sign a warranty that they have clear title, although the auction house cannot guarantee that this is correct.