Actually BronzeAge (that's me) is the original thread starter with the Korean coin. You and Burton are the ones who did all the research. PaddyB had a significant amount of info as well. I'm pretty sure this Eisenhower dollar is 40% silver, and this 1963 set has 3 coins that are 90% silver, but what about the set at the top of the picture? Looks like it might have a silver half dollar, but not sure.