I found this Mug in an Antique Mall In the LBC area
Distinguishing Characteristics
Tiny Scratch on the upper lip
Tiki Mug Design
The Tikis Monterey Park Black Moai OMC Mug
in 59 collections
Relatively traditional-looking black moai mug, with a concave base, manufactured by OMC, and here used by The Tiki's in Monterey Park, CA. Stamped as such on the bottom, with foil diamond OMC sticker.