Not pre-owned, from old shop stock. 

Design 1960/1970s, signed 925S, Turku-Anvil, Finland. On the outside of the shank the stamp of Brdr. B as import mark to Denmark.
Size: US 7 / EUR 55, the shank is open and overlapping, so that it can be made bigger as well as smaller. 7 mm wide the shank, the front with the little orbs stands out 0.7 cm, the front measure is 1.7 cm x 1.4 cm.