Mexico, the white and green seal issues of Sonora
Subtitle: a study of the stamps, together with a reproduction of the various printings and a complete list of all varieties known to the author
By: by George Ward Linn.
Publisher: George W. Linn Company
Published: 1916
Place of publication: Columbus, O
Language: eng
Number of pages: 106
Subjects: Postage-stamps -- Mexico -- Sonora (State)