Copper-alloy, 24.29 grams, pin: 66.89 mm. 9th-10th century AD. A sturdy penannular brooch comprising a round-section band with polyhedral terminals and a long pin coiled around the band. Reference: Lehtosalo-Hilander, P-L. Luistari (Finland), A History of Weapons and Ornaments, Helsinki, 2000. Very fine condition. Ex an old European collection.