Errors, freaks, and oddities on U.S. stamps
Subtitle: question marks in philately
By: by Stanley B. Segal.
Contributors: Bureau Issues Association.
Publisher: Published under the auspices of the Hugh M. Southgate Memorial Publication Fund, Bureau Issues Association
Published: 1979
Place of publication: White Plains, N.Y
Language: eng
Number of pages: 88
Subjects: Postage stamps -- Errors -- United States.
Notes: Bibliography: p. 87-88.