This is hobbyist mug that arrives unpainted from Mayco Bisque. Bottom Says "MayCo (c)2013 Example of a recent offering from the company: https://www.ceramicsuperstore.com/mayco-colors-ceramic-bisque-mb1383-tiki-cups-single
Distinguishing Characteristics
lot# 172 Tiki Cup in Ceramic By Mayco Bisque 2013