These are most likely mass-manufactured by Poolside Pineapple (restaurantware)
Tiki Mug Design
Modern Mask Mug Blue
in 20 collections
This dark blue mug is shaped like the head of a tiki which adorned vast quantities of affordable tiki merchandise in the early 21st century. His mouth is open in a half figure eight and his eyes have a ridge above them the shape of which repeats twice above them.