a.k.a. Otagiri Mara Amu Tiki Mug
This mug was produced by OMC for the Mai Kai restaurant in Ft. Lauderdale, and used to serve the Mara Amu drink. Brown glaze, features a Ku with "MAI-KAI" in big, black, bamboo-ish letters down the back. Foil OMC Japan sticker on bottom. Later versions of this design were produced by Dynasty Wholesale.