FRENCH INDO-CHINA. Piastre, 1890-A. PCGS Genuine--Environmental Damage, VF Details Secure Holder.KM-5; Gad-34; Lec-272. EXTREMELY RARE, seldom offered and the key date to the series. Mintage of only 6,108 pieces. By far the lowest mintage and rarest date of all French Indo-China Piastres.PCGS Genuine--Environmental Damage, VF Details Secure Holder.