There are hammer marks on the internal surface. Such rings were made to be resizeable by adjusting the terminals and even knotting them on occasion.
Examples in gold have been recorded from Gainsborough DENO-F22E58. A silver example from Runhall NMS-E26C94. And a copper example from Stradsett in Norfolk NMS-B77D77. This is an excellent example in good excavated condition, likely once part of a treasure hoard as the surface is slightly pitted as with hoard silver/metalwork. 19 3/4 (US) T 1/4 (UK).28mm x 29mm x 6mm. Formerly in a European private collection, Sweden. This item is unconditionally guaranteed to be an antique original and to date from the period described. A certificate of authenticity will be supplied on request. The item "9th 11th century A.
Large Anglo-Scandinavian penannular silver finger ring" is in sale since Friday, August 2, 2019. This item is in the category "Antiques\Antiquities\Viking". The seller is "wear-the-past" and is located in Bath. This item can be shipped worldwide.