CZECHOSLOVAKIA 1970
Interkosmos , the collaboration of communist countries in various phases of space research.
Designer : Jaroslav Lukavsky
Engravers :
Bedrich Housa (20h, 1K & 1,60)
Milos Ondracek ( 40h,60h & both 1,20K)
Printing Process : Combination , 1 colour (black) engraved & multicolour photogravure
Scott 1716 – 1721. Scott 1720A was issued in 1971.






For Scott 1722 – 1725 see page 3