39 U.S.C. § 405 : US Code - Section 405: Printing of illustrations of United States postage stamps

Search 39 U.S.C. § 405 : US Code - Section 405: Printing of illustrations of United States postage stamps

(a) When requested by the Postal Service, the Public Printer
shall print, as a public document for sale by the Superintendent of
Documents, illustrations in black and white or in color of postage
stamps of the United States, together with such descriptive,
historical, and philatelic information with regard to the stamps as
the Postal Service deems suitable.
(b) Notwithstanding the provisions of section 505 of title 44,
stereotype or electrotype plates, or duplicates thereof, used in
the publications authorized to be printed by this section may not
be sold or otherwise disposed of.