This is a vintage Annual Cube from year 1977. Design by famous professor Oiva Toikka and hand made in legendary Nuutajärvi glass village in Finland. This model is found on page 154 in the book "Birds by Toikka".
This Cube is numbered 281/2000. The height of this cube is a bit lower than annual cubes normally, measuring 68mm with pads.
Signature: Nuutajärvi 1977 281/2000 Oiva Toikka Size: 82mm x 69mm x 68mm height