4th Century cross-bow fibula.
rare style - cross bow fibula 
Bronze 
47.3 grams
For display only as artifact is slightly bent from the 1700 years in situ (The pin itself moves and has good tension but due to the curve in the fibula it no longer comes out of the clasp to allow it to be used as a brooch. )
 3/16" long by 2 1/16" wide by 1" tall (81mm x 52mm x 25mm).
Microscopic expert surface assessment showed lazurite mineral formation consistent with extended burial and the antiquity of this piece. 
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