"Hans" by Thomas Glenn Holidays is designed in honor of the great German abstract expressionist artist Hans Hoffman.  The colorations and patterns are very reminiscent of his works, especially one titled "Pompeii."  The ornament did not go into production, so only the prototypes are available.
The "Hans" Ball Ornament
Part of the Christmas Past collection
Handcrafted in Poland
Made from glass
Approximately 4 inches tall (10cm)
Made by Thomas Glenn Holidays