SERIES 1950B $10 FRN by BLOCKS Circulation production: HA IA JA KA AB CB DB EB FB HB LB AC CC DC FC LC GD GE BF GF BG BH A* B* C* D* E* F* G* H* I* J* K* L* Total: 22 regular + 12 star = 34. Special production: none. Grand total: 34 different, 34 overall.