This is a vintage Crescent Mapleine 2 Ounce Flavored Syrup Bottle.  It measures 4.5 inches tall x 2.5 inches wide.  It is a glass bottle with a metal white lid.

 

It shows it's age - and it has definitely been used up - there is no syrup in the bottle.  If you are a collector of things like this, what a unique piece to add to your collection!