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
Condition: Excellent
Size: 83mm x 77mm x 67mm
You can find the cube on page 155 in the book "Birds by Toikka".