SERIES 1981A $10 by COMPLEX 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.