COLLECTION U.S. MINT PROOF COIN SETS. Including one each 1994, 1995, 1996, 1997; four 1998; sets with separately boxed quantities included two 1999, two 2000, two 2001, one 2002, three 2003 (lacking one set quarters) , two 2004, two 2005, two 2006, one 2007 (with two sets quarters), one 2008, one 2009 DC and territories quarters set; two 2010; one 2011 Estimate $300-500