US Coins Minted in Prime Number Years

Set Description
Sold most of the missing dates before the idea came to me. Oh well. Got open slots for a 1913 Liberty nickel and a 1933 Saint. How cool is that?

Set Goals
Relevant Dates (so far):
1801, 1811, 1823, 1831, 1847, 1861, 1867, 1871, 1873, 1877, 1879, 1889, 1901, 1907, 1913, 1931, 1933, 1949, 1951, 1973, 1979, 1987, 1993, 1997, 1999, 2003

2011 is the next prime number year.