Thrift store purchase from late 80s. I have two of these, and they are exactly the same.
Collector Gallery
Tiki Mug Design
Tiki Leilani Mug
in 87 collections
Ku design in the classic "Tiki Leilani" shape. Possibly manufactured by Orchids of Hawaii. Pale brown color. Marked "Tiki Leilani" on front base.