SERIES 1950D $5 FRN by COMPLEX BLOCKS Circulation production: IA. AB. CB. DB. HB. JB. KB. CC. EC. FC. LC. FD. GD. BE. GE. BF. A*. B*. C*. D*. E*. F*. G*. H*. I*. J*. K*. L*. Total: 16 regular + 12 star = 28. Special production: none. Grand total: 28 different, 28 overall.