Lithuania / Lietuva had two vessels participating. LIETUVA is a class D yacht, your picture shows the BRABANDER. The vessel hidden by BRABANDER might be the LIETUVA. Although the BRABANDER was acquired by the Klaipeda University she still sails under her old Dutch name, see:
The year built and length of the sloop LIETUVA are given at (page 15):
Have not found any pictures of her.