Annual Cube year 1981 - Oiva Toikka Cubes Nuutajärvi Finland
This is the Annual Cube for year 1981, design by famous professor Oiva Toikka.
You might also be interested in the book "In Oiva's Wonderland" from 2019 with color pictures of all the Annual cubes of years 1977-2019. The book is for sale elsewhere on this site. You find it by searching with the word "book" if this link is not working.