1889-A坐洋半元银币。罕见。发行仅100枚。反面有轻微刮痕,曾经清洗,现已包浆。整体非常赏心悦目。ANACS Proof-58 Details--Cleaned, Scratched.FRENCH INDO-CHINA. 50 Cents, 1889-A. ANACS Proof-58 Details--Cleaned, Scratched.KM-4; Gad-31; Lec-255. RARE. From a mintage of only 100 pieces. Several tiny scratches on the reverse, cleaned long ago, now retoned. Overall, a reasonably attractive example.