A trefoil brooch in bronze based on a 10th-century find from Birka. The original was made of gilded bronze and is now housed at the Historical Museum in Stockholm, and can be viewed here: https://samlingar.shm.se/object/48CAFEA3-A39C-4DD5-969B-CD48F8DAA69F
Similar models of trefoil brooches have also been found in Norway.
Made of bronze.
