FRENCH INDO-CHINA. Piastre, 1889-A. NGC PROOF-66.KM-5; Gad-34. RARE. From a mintage of only 100 pieces. A similar example graded NGC Proof-65 hammered for $32,500 in our January 2011, NYINC auction. Very attractive multicolor toning, needle sharp strike, an absolutely stunning example.NGC PROOF-66.From the Demarete Collection.