1960s Editions: These feature a completely unglazed, matte ceramic bottom with the mold stamp "Trader Vic © 1963" pressed along the outer edge.Later Editions (1970s–1980s): The restaurant chain continued using this mold style for decades, but later productions updated to a clear-glazed bottom over the stamp.

This is a 1960’s edition as it has an unglazed bottom. Very nice condition. There’s one imperfection along the bottom rim (can be seen in photos.) some discoloration inside, but I only cleaned with mild dish soap. Might be able to clean more with an abrasive cleanser.