Adams 1996 in description gives bronze, in caption copper, and in inventory copper or bronze; he wrongly interprets the monogram as that of Archangel Michael
Material
metal
Object dimensions
Diam: 5.7–5.9
Text dimensions
Object colour
Text colour
traces of red paint
Lines
Height of letters
Description
round brooch with inscription on top side enclosed in decorative circle
Decorative elements
circle of double with dots placed regularly between them; 4 dots in 4 corners of the monogram