This is a vintage Lucky The Unicorn by Boyd Glass in what I believe is Alpine Blue color. Marked with a B in a diamond with one line underneath indicating the 2nd five years of manufacturing during the 1980s. 

Condition: Excellent. No damages to the glass. Inspected under light and magnification; no chips, no flea bites, no cracks or damages. 

Measures: 3.25" tall x 3.5" long x 1.25" wide

Weight 5 ounces