This chart is based upon both major and minor catalog numbers. The default opening view shows all US stamps; you can filter the chart by using the drop down box to select stamps by ‘Type’.
Catalog Number Description Denomination Color Date Issued Perforation Num Produced Series
1996 Utah 20c multi. 4/14/1982 10½ x 11¼
1996A Utah 20c multi. 4/14/1982 11¼ x 11
1997 Vermont 20c multi. 4/14/1982 10½ x 11¼
1997A Vermont 20c multi 4/14/1982 11¼ x 11
1998 Virginia 20c multi. 4/14/1982 10½ x 11¼
1998A Virginia 20c multi. 4/14/1982 11¼ x 11
1999 Washington 20c multi. 4/14/1982 10½ x 11¼
1999A Washington 20c multi 4/14/1982 11¼ x 11
2000A West Virginia 20c multi 4/14/1982 11¼ x 11
2001 Wisconsin 20c multi. 4/14/1982 10½ x 11¼
2001A Wisconsin 20c multi 4/14/1982 11¼ x 11
2002 Wyoming 20c multi. 4/14/1982 10½ x 11¼
2002A Wyoming 20c multi 4/14/1982 11¼ x 11
2002Ac State Birds  and  Flowers 20c multi 4/14/1982 11¼x11
2002b State Birds/Flowers 50x20c multi. 4/14/1982 10½ x 11¼ 13M
2003 USA-The Netherlands 20c multi. 4/20/1982 11 109M
2004 Library Of Congress 20c black  and  red 4/21/1982 11 113M
2005 Consumer Education 20c Sky blue 4/27/1982 10 Vert.
2006 Solar Energy 20c multi. 4/29/1982 11 31M
2007 Synthetic Fuels 20c multi. 4/29/1982 11 31M