This cube ornament was a prototype for a multi-colored design of squares that never went into production.  All six sides of the cube have varying patterns of colorful squares.  Four different views are shown here.  
The Multi Colored Cube - Prototype Ornament
Part of the Christmas Past collection
Handcrafted in Poland
Made from glass
Approximately 4 inches tall (10cm)
Includes original manufacturers box and packaging
Made by Thomas Glenn Holidays