拍品描述： 民国十八年孙中山像背三帆壹圆银样币。美国版。杭州造币厂。(珍稀度★★)。美国设计，使用费城造币厂模具打铸。极为罕见的美国版样币，品相上佳。铸打锐利，光泽浓厚。币面光芒闪烁，带出厂模具线痕。蜜糖色包浆依附底板。工艺精湛，保存极佳，藏家梦寐以求的一枚。(t) CHINA. Silver Dollar Pattern, Year 18 (1929). Hangchow Mint. PCGS SPECIMEN-64.L&M-95; K-616; KM-Pn100; WS-0139; Chang-CH197; Wenchao-910 (rarity: ★★). American Design from Philadelphia Mint dies. A tremendous near-Gem example of the EXTREMELY RARE American pattern, this most impressive piece delivers a sharp strike and rich luster throughout. The surfaces glint and gleam with the as made die lines, and honey toning adheres closely to the open fields. A masterfully executed and preserved example of this fabled pattern type, and one that ensured a multitude of collector interest.