An interesting 16th century parcel gilt pendant

An interesting 16th century parcel gilt pendant, circular engraved on one side with the figure of St Peter and on the other with the Virgin Mary, with a baroque border of coiled wire and applied scroll adornment, unmarked, probably first half of the 16th century (judging by the style and depiction of the engraving), 3.2in (8cm) diameter, 1.75oz. (6)