A set of temple rings from a Russian find.  This 4 piece set has openings on the left of all pieces for easy attachment to a head band. Slavic in origin. Larger 3 3/16" x 2 1/2" 8.4 x 6.5 cm, Smaller 2 1/2" x 2 1/4" 6.5 x 5.8 cm