The London 2012 Olympic coin collection

The Royal Mint launched new Olympic collection of twenty nine fifty pence coins. First eight of them will be in circulation from the November 2010. Each of them is featuring a sport from the London 2012 Olympic Games. The first series of eight coins are devoted to the aquatics, archery, athletics, cycling, gymnastics, hockey, rowing and triathlon. Designer of each coin are different. Denomination of these coins is fifty pence, alloy is cooper and nickel, weight is eight grams, diameter 27.3 mm.