Here is a fabulous Sterling silver modernist ring by the prolific Danish silversmith, Herman Siersbøl. (see profile). Smooth on one side, it features an oxidised indent and other serrations on the other.
Condition: Excellent, no visible damage
Marks: Siersbøl 925S
Size: to fit finger size: UK N, US 6.75, Eu 54, Top of ring is 2 cm (0.7") across