Here’s a new one. 1962 Seattle Worlds Fair. The 3rd photo says it all-Made at the U.S. Mint in Philadelphia by an authorization of Congress. This is the Official Medal of the Seattle World’s Fair. United States SPACE AGE commemorative MEDAL.
I have seen other things like it, namely, official medals of World's fairs. I've seen certified examples of that particular one selling for around $30 - $40. I don't know if the original packaging adds to the value, but I suppose that would depend on the buyer.
I haven't run across any from the Seattle World's Fair before, but I found the sites with info (below). The coin looks really plain and lack-luster to me. I believe the coins that were struck by the mint were the silver ones but can't say for sure. Evidently they were struck in gold, silver, and bronze. https://secure28.securewebsession.com/rivercitycoins.com/silversets/SeattleFairSet.html The bronze medals are going for about $9 to $15. 40,000 were made. http://www.62worldsfair.com/02 SWF High Relief Medals.htm