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Yes. The U.S. has struck many Olympic coins.
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Yes. The Royal Mint has been progressively releasing 50 Pence coins featuring the 29 Olympic and Paralympic sports since October 2010.
yes 5 pound coins are legal tender
Many Olympic gold and silver sets were made, the denominations, date and number of coins is needed. Please a new question with more information.
Probably not at the moment as there are so many of them, but save em up in good condition and pass them down for 3 generations and they'll be worth a lot more
Yes
$300+
150
4 they where all awarded in the 2000 olympic games, Australia
These 1992 Olympic gold coins currently sell for about $275
50 coins.