Convention of London (June 28, 1929) together with the regulations for its execution.
Contributors: United States. Post Office Dept.
Publisher: U.S. Govt. print. off.
Published: 1930
Place of publication: Washington
Language: eng
Number of pages: 232
Subjects: Postal conventions.
Notes: At head of title: Universal postal union.

Seal of Post office department, United States of America, on t.-p.

French and English in parallel columns.