拍品描述： 民国十八年孙中山像背三帆一圆银币样币。美国版。费城造币厂设计，在杭州造币厂试製。全白，底板光泽闪烁，中央浮雕设计柔和。整体品相远胜于评分，双面均无明显接触痕迹。1929年中国财政部决定以孙中山肖像设计新国币。有世界著名的义大利、日本、英国、美国及奥地利五厂送样比稿。完成后，各厂将模具和样币送往中国。

CHINA. Silver Dollar Pattern, Year 18 (1929). PCGS SP-62 Gold Shield。L&M-95; K-616; KM-Pn100; WS-0139; Wenchao-pg. 565 #910; Shanghai Museum-Mr. Shi Jiagans Collection-pg. 129 #602. The American design from the Philadelphia mint, but struck in China at the Hangchow mint. A fully white example of this pattern Dollar issue which displays gleaming luster in the fields and designs that soften slightly in the central highpoints. Overall, the appearance is rather premium for the grade with no significant contact mark on either side.emIn 1929, the Chinese Ministry of Finance ordered a new design for the then proposed Dr. Sun Yat-sen Dollar. Patterns were submitted from the worlds five leading mints: Italy, Japan, England, United States and Austria. Upon completion, the various mints shipped the dies as well as samples of the new patterns to China. /em。