Triple vintage sterling silver ring dating from the 1980's. The rings are fixed to the rear. To the inside of the band at the rear you see the Birmingham anchor but there is no dating information.
Size UK O, US 7 or internal diameter 1.735 cm or 0.7 inches.
Max width 0.9 cm or 0.3 inches.
Weight 5.2 grams or 3.3 penny weight.