BANKNOTES, CHINA Empire。 Ta-Ching Government Bank。 Uniface Reverse Proof 50-Dollars, 1909。 Printed by American Bank Note Company, New York (Pick A78Ap; S/M T10-33)。 In PMG holder graded Gem UNC-66 EPQ, small inked number #27-a at the centre of the reverse。 A rare denomination as a reverse proof issue。 $ 1,800