Backhausen, Dr., Sonder - Katalog der Deutschen Aufdruckmarken 192 ... COL-L-Asien-MiddleEast The first part of this

The first part of this volume deals with the specialization in philately that began around 1900 and the associated publication of specialized works that were limited to sub-areas or individual countries

Gold Medal Collection Dr

Golden Anniversary

General Directorate PTT

good copy #3899

Backhausen, Dr., Sonder - Katalog der Deutschen Aufdruckmarken 192 ... COL-L-Asien-MiddleEast The first part of thisBackhausen, Dr., Special catalogue of German overprint stamps 1923 taking into account the varieties and price lists, printed as manuscript, 1924, 56 pages, only self published in a small edition, rare inflation title, cover with signature (ex Heinrich Khler Library) #45975