SERIES 1974 $20 by BLOCKS

Circulation production:

 AA        CA             FA        HA   IA   JA   KA
 AB        CB   DB        FB        HB        JB   KB
                DC   EC        GC                       LC
      BD        DD   ED        GD                       LD
      BE                       GE
      BF                       GF
      BG
 A*   B*   C*   D*   E*   F*   G*   H*   I*   J*   K*   L*

                                 Total: 28 regular + 12 star = 40.

Special production: none.

                            Grand total: 40 different, 40 overall.