Although I thought this was a wine glass, my mom said it is technically called a cordial or sipping glass and this one is part of an antique decanter set.  The typical use of a cordial is to serve after dinner liqueurs or other sweet, non-alcoholic beverages at parties, receptions and elegant gatherings.  The size of the glass is kept small and is often more ornamental or delicately shaped than your average tumbler or wine glass.

This photograph was taken using the cordial as the glass element, a bike headlamp for the light element and colored tissue paper placed over the light for the paper element.