I considered calling this Marine Crystal because of the pale blue tint to the glass. But Marine Crystal was discontinued so long ago (1945 was the last year) and Marine Crystal is actually green tinted so I decided to just go with Crystal. I purchased this from a dealer in Blenko Glass and was told that 12 were made. It was made in 2007 but mine missed getting etched. It is signed and dated by Richard Blenko, however. Do any of you have one of the other 11?