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Current value is $70.00
The only commemorative dollar struck that year is a 1983 Los Angeles Olympiad "Discus Thrower" coin. A proof "S" mintmark coin in the grade of PF-69 has a current market value of $35.00.
About $180 on 8/22/2012.
A British 2012 22 carat gold Quarter-Sovereign coin (Elizabeth II),(boxed Proof) is currently retailing for £130 GBP from the Royal Mint.
The coin doesn't exist. All 1969 nickels - in fact, ALL nickels except for "war nickels" minted from 1942 to 1945 have been struck in the same alloy of 25% nickel and 75% copper. In addition, proof coinage was suspended during WWII so no proof nickels containing any silver were ever minted. That said, as of 08/2015 retail prices for a 1969 S proof US nickel range from $0.30 for a coin in the lowest collectible condition for a proof (PR60) to $31 for a coin in PR69. Note that specimens with a cameo finish can bring much more, however.