>1939

1939 Golden Gate exposition

Stamp 660
LU-s.jpg 3C
reddish violet

1939 New York's world's fair

Stamp 661
LV-s.jpg 3C
dark blue

1939 Washington's Inauguration

Stamp 662
LW-s.jpg 3C
dark purple

1939 The 100th Anniversary of Baseball

Stamp 663
LX-s.jpg 3C
purple

1939 The 25th Anniversary of the Panama Canal

Stamp 664
LY-s.jpg 3C
dark brown

1939 Printing

Stamp 665
LZ-s.jpg 3C
purple

1939 The 50th Anniversary of the Statehood of North Dakota, South Dakota, Washington & Montana

Stamp 666
MA-s.jpg 3C
purple brown