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 right, together with a larger bird of the same model.
Size: 140mm x 85mm
Signature: O. Toikka Nuutajärvi
Condition: Excellent