SERIES 1950A $50 FRN by COMPLEX BLOCKS Circulation production: AA. BA. CA. DA. EA. FA. GA. HA. JA. KA. LA. A*. B*. C*. D*. E*. F*. G*. H*. J*. K*. L*. Total: 11 regular + 11 star = 22. Special production: none. Grand total: 22 different, 22 overall.