These mugs were made by Horton Ceramics in the early 50's. I have 2 of them.
Distinguishing Characteristics
bottom says: Horton Ceramics N7
Collector Gallery
Tiki Mug Design
Horton Ceramics Pineapple Mug
in 1 collection
This is a mug shaped like a pineapple and marked "Horton Ceramics" on bottom.