Copper alloy Medieval zoomorphic Annular brooch circa buying 1200-1400 AD, metal detecting find, history gift, VF

Here we have a Medieval Annular brooch circa 1200-1400 AD.
Copper alloy composition.
It displays a smooth dark green patina, zoomorphic terminal, raised circular collet at the top, the frame is decorated with raised dots, pin missing, Uncleaned.
Overall condition is a very fine grade.
Found in Norfolk-Ex Essex collection.
Length: 2.6cm
Width: 1.6cm
Weight: 1.41g
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