history of united states postal service rates

b>History of first class & postcard rates
Date Introduced !! Rate for first ounce (USD) !! Additional ounces !! Postcard rate !! Comments
March 3, 1863	.03 per half ounce
March 3, 1883	.02 per half ounce
July 1, 1885	.02
November 3, 1917	.03	War Years
July 1, 1919	.02	Dropped back by Congress
1926	.02	.01
July 6, 1932	.03	.01
January 1, 1952	.03	.02
August 1, 1958	.04	.03
January 7, 1963	.05	.04
January 7, 1968	.06	.05
May 16, 1971	.08	.06
March 2, 1974	.10	.08
September 14, 1975	.10	.09	.07
December 31, 1975	.13	.11	.09
May 29, 1978	.15	.13	.10	"A" Stamp Used
March 22, 1981	.18	.17	.12	"B" Stamp Used
November 1, 1981	.20	.17	.13	"C" Stamp Used
February 17, 1985	.22	.17	.14	"D" Stamp Used
April 3, 1988	.25	.20	.15	"E" Stamp Used
February 3, 1991	.29	.23	.19	"F" Stamp Used
January 1, 1995	.32	.23	.20	"G" Stamp Used
January 10, 1999	.33	.22	.20	"H" Stamp Used
January 7, 2001	.34	.21	.20	Nondenominated Stamps Used
July 1, 2001	.34	.23	.21	Nondenominated Stamps Used
June 30, 2002	.37	.23	.23	Flag and Antique Toy Stamps Used

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