A simple but smart design is featured in this prototype from Thomas Glenn Holidays.  Single black lines are set against a glittery white background.  Small crystals are imbedded in the black lines.  Views from the top and bottom are shown here.  The ornament did not go into production.  
The "Brighton Rock" Ball Christmas Ornament
Part of the Christmas Past Collection
Handcrafted in Poland
Made from glass
Approximately 4 inches tall (10cm) or 100 mil