28
Yes. The U.S. has struck many Olympic coins.
28
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
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
Many Olympic gold and silver sets were made, the denominations, date and number of coins is needed. Please a new question with more information.
Yes
$300+
150
These 1992 Olympic gold coins currently sell for about $275
4 they where all awarded in the 2000 olympic games, Australia
50 coins.