SERIES 1981A $20 by COMPLEX BLOCKS Circulation production: AA. BA. CA. DA. EA. FA. GA. HA. IA. JA. KA. LA. AB. BB. DB. EB. FB. GB. LB. BC. EC. GC. LC. BD. LD. LE. D*. F*. L*. Total: 26 regular + 3 star = 29. Special production: none. Grand total: 29 different, 29 overall.