Here is a substantial Sterling silver ring by the Danish silversmith Erik Poul Fenster, who worked in Hellerup (a suburb of Copenhagen) from 1951 to 97. This very long ring is set with an opaque dark green polished stone.
Condtion: Excellent, no visible damage
Marks: EPF 925
Size;. the top of the ring is 3.5 cm (1.45") long. It fits finger size: UK N, US 6.85, Eu 54