They look like the OMC lined face peanut mugs (tall) but do not have any hotel or restaurant markings on the backs (I found a pair)
Collector Gallery
Tiki Mug Design
Peanut Lined Face OMC Mug
in 61 collections
A peanut-like tiki with a lined face from OMC, in light beige with darker brown glazed top and bottom rims.