unused 1953-55 Koxinga surcharges, a duplicated selection with 1953-54 3c. on $1 (15), 10c. on 15c. (200), 10c. on 30c. (50) and 20c. on $1.60 (52); 1955 3c. on $1 (254), 20c. on 40c. (57), 10c. on 80c. (229), 10c. on $1.50 (63), 20c. on 40c. (50), 20c. on 50c. (104) and 20c. on 60c. (80); a valuable stock. S.G. 157-160, 201-202, 207-208, 212-214; £4525