This is an elegant special vintage bird from the 1980s design by professor Oiva Toikka. It is a rare model, the model name is unknown to us.
It is blueish luster with a black head. On the last photo you see this bird to the left together with a smaller bird of the same model.
Size: 175mm x 105mm
Signature: O. Toikka Nuutajärvi
Condition: very good, some irregularities in the luster color.