welcome to coin talk, you can sell your 1950d ms65 Jefferson exactly one time, just kidding, according to numismedia ballpark figures one of those should be around 32 simoleons ($)
1950-D, the rarest of the 1950 Jefferson Nickels with 2,630,030 from Denver that year. MS-65 value is between $12 - $20.
Here the price of a Pcgs MS-65 it a little high that an $17-$20,00 :kewl: http://www.pcgs.com/prices/PriceGuideDetail.aspx?MS=1&PR=1&SP=1&c=84&title=Jefferson+Nickel