A Group of 25 United States Silver Eagle $1 Proofs each graded PCGS PR69 DCAM, the tabs signed by chief engraver John M. Mercanti and comprising: 1987-S, 1988-S, 1989-S, 1990-S, 1991-S, 1992-S, 1993-P, 1994-P, 1995-P, 1996-P, 1997-P, 1998-P, 1999-P, 2000-P, 2001-W, 2002-W, 2003-W, 2004-W, 2005-W, 2006-W, 2007-W, 2008-W, 2010-W, 2011-W and 2012-W examples.