Metadata
Author: WikiMatrix
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English[en]
The coins continued to gain popularity throughout the 20th century, and the price reached an all-time high in 1999, when an example graded Proof-68 was sold at auction for $4,140,000.
Chinese[zh]
这种硬币的价格和知名度都在20世纪不断增长,1999年,一枚成色评级达到Proof-68的样本经拍卖以414万美元高价成交,创下这种硬币价格的新纪录。