Ruscha were most famous for their Vulcano glaze.
Kreta Decor – This 515 Ruscha is hand marked on the base with the decor name Kreta (English Crete).
Costa Decor – This decor came in red, turquoise and yellow. The red is most commonly found. It was in production in the mid 1960s.
Milano Decor – This is one of the most sought after 1950s glaze decors produced by Ruscha.