1936年坐洋一分试作样币。铝铜製。极其罕见。仅三枚可知。铸打锐利,轻微车轮包浆。光泽柔和,非常诱人。PCGS SP-67 Secure Holder.FRENCH INDO-CHINA. Cent Pattern Essai, 1940. PCGS SP-67 Secure Holder.KM-E37; Lec-103; Gad-9. Struck in aluminum-bronze. EXTREMELY RARE, reportedly only 3 known examples. Razor sharp strike with just a light veneer of tone. Covered with soft satin luster and highly attractive.