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
1810 P.S. Write Soon 15c multi. 2/25/1980 11 39M
1810a National Letter Writing Week 6x15c multi. 2/25/1980 11 39M
1811 Quill  and  Inkwell 1c dark blue 3/6/1980 10 Vert. Americana
1813 Weaver Violins 3½c purple 6/23/1980 10 Vert. Americana
1813a Weaver Violins 3½c purple 6/23/1980 10 Vert. Americana
1816 Torch 12c red brown 4/8/1981 10 Vert. Americana
1816a Torch 12c red brown 4/8/1981 10 Vert. Americana
1818 "B" Eagle 18c violet 3/15/1980 11x10½
1819 Eagle "B" Postage 18c violet 3/15/1980 10
1819a "B" Postage (18c) violet 3/15/1980 10
1820 "B" Postage (18c) violet 3/15/1980 10 Vert.
1821 Frances Perkins 15c prussian blue 4/10/1980 10½x11 164M
1822 Dolley Madison 15c red brown and sepia 5/20/1980 11 257M
1823 Emily Bissell Issue 15c black and red 5/31/1980 11
1824 Helen Keller/Anne Sullivan 15c multi 6/27/1980 11 154M
1825 Veteran's Administration 15c multi 7/21/1980 11 160M
1826 General de Galvez 15c multi 7/23/1980 11 104M American Bicentennial
1827 Brain Coral 15c multi. 8/26/1980 11 51M
1828 Elkhorn Coral 15c multi. 8/26/1980 11 51M
1829 Chalice Coral 15c multi. 8/26/1980 11 51M