Deck the halls....and your Christmas tree with vintage ornaments of the past.   This blue and white mercury glass mandolin is sure to please.  Metal cap with impressed wording is hard to read but believe is  Czechoslovakia.  Dating from the 1940's or 1950's. 

Size:  4-1/2" long ,from top to bottom. Width is 2-1/4" , at the widest point. 

Condition is good.  Metal cap does have some surface rust.