Antique 18 Carat Buckle Ring With Enamel Motto‘Dum Spiro Spero’
A Gentlemen’s 18ct gold ring formed as a buckle with royal blue enamel Latin script reading "DUM SPIRO SPERO" (While I breathe, I hope). 
Total weight app. 7.5g.
Size - 10
Hallmarked for 18 carat gold 1885