First Class postage went to 22 cents in 1985. There were 22 cent stamps prior to that. There were still other stamps available for post cards and airmail. The price was dependent upon what you were mailing.
The series to which this stamp belongs came out in 1938 and was used for many years.
1939
There is an 11 cent stamp in the presidential series which was current from 1939 to 1954. First class postage was never 11 cents-it jumped from 10 cent directly to 13 cents.
These came out in 1968, both the coil and sheet type.
This stamp (Scott # 1424) came out in 1971 to honor the passing of MacArthur five years earlier.
1996
I just found a listing on ebay saying this series came out in 1973.
This stamp came out on 10/20/1972.
1888
1932
2012
1961
This stamp came out on March 15 (his birthday) in 1967.