But a piece of Ch'eng-hua tou-ts'ai porcelain sold for US $ 1 million at an Sotheby's auction in Hong Kong three years ago, which shows that the insurance value of all 18 objects probably runs in the tens of millions of dollars.
然而以其中一隻成化年間鬥彩雞缸杯為例，十年前在香港蘇富比拍賣市場上就已有一百萬美元身價。可以想知十八件國寶的保險金額將高達數千萬美元。