Reproduction of color stamps.
Subtitle: Hearing, Ninetieth Congress, second session, on H.R. 2622 ... March 13, 1968.
Publisher: U.S. Govt. Print. Off.
Published: 1968
Place of publication: Washington
Language: eng
Number of pages: 15
Subjects: Postage stamps -- United States.
Notes: "Serial no. 13."