Catalogue of the 20th century stamped envelopes and wrappers of the United States
Subtitle: including an appendix listing price revisions of all 19th century entries as listed in Thorp-Bartels, Century edition.
By: Compiled, completely rev. and edited by Prescott Holden Thorp. Editorial board: Richard C. Dahlem [and others].
Contributors: Bartels, J. Murray 1871-1944.
Edition: 1st ed.
Published: 1968
Place of publication: Netcong, N.J
Language: eng
Number of pages: 205
Subjects: Postage stamps -- United States.; Stamped envelopes -- United States.