Managed to score 2 of these, the second one I got for $8.50...They're identical migs.
Collector Gallery
Tiki Mug Design
Kon-Tiki Ports Boston-Chicago Peanut Mug
in 41 collections
This peanut-like tiki is tan and unglazed, with brown glazed top and bottom rims and interior. Tiki has a toothy grimace and hands are clasped, back is marked "Kon-Tiki Ports" vertically, with "Chicago-Boston" underneath. Marked "Designed by S Crane" on bottom.