This is the Annual Cube for year 1987.
Design by famous professor Oiva Toikka and hand made in the legendary Nuutajärvi village in Finland.
This cube is numbered 677/2000.
Signature: Nuutajärvi 1987
677/2000 Oiva Toikka
Size: 83mm x 77mm x 67mm
You can find the cube on page 155 in the book "Birds by 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.