This is the original logo tiki mug for Tiki Bob's in San Francisco. Marked "Tiki Bob's San Francisco" in black at side near base. Serenely happy and simple tiki face in white against a rich brown pole backdrop, with black painted mouth and eye details.

It was designed by Alec Yuill-Thornton and released on September 14th 1955, making it the very first produced tiki mug!