"I found these four bronze plaques (about 5" in diameter) at a local tag sale auction. What caught my eye of course was their being modeled after ancient Greek coins. The note that accompanied them suggested they were originally installed in 1962 in a 180 foot yacht made for Artemis Garoufallidi (sister of Aristotle Onassis and sister-in-law to Jackie O). A bit of web research suggested the interior was designed by Jon Bannenberg and yet when I contacted his son, he made it clear that his father had not worked on this boat. I was however able to reach the archivist/historian for the yacht maker, Lurssen who was able to confirm that these plaques (along with at least a few others) did indeed hang in the Pegasus II yacht."