This is a skull mug from Old Mountain and Attractions. I purchased it at the Old Theater in Izumo City, Shimane Prefecture. I chose one with character from among the ones with different expressions. They sell out quickly, so don't miss this opportunity. Here's the description: This is the third Hasami-yaki collection. We independently researched and developed vintage skull mugs that were produced in Japan for export to the United States from the 1950s. The special double structure is very difficult to produce even with modern mass production systems, and you can feel the high level of Japanese manufacturing from 70 years ago. The patterns and designs vary with each firing. Material: Ceramic