SERIES 1981A $10 by BLOCKS

Circulation production:

 AA   BA   CA   DA   EA   FA   GA   HA   IA   JA   KA   LA
 AB   BB                                                LB
      BC
      B*             E*   F*

                                  Total: 16 regular + 3 star = 19.

Special production: none.

                            Grand total: 19 different, 19 overall.