German Empire 1923/1945 - Special collection of airmail advertising cancellation in two volumes

Description
German Empire 1923/1945 - Special collection of airmail advertising cancellation in two volumes
Postal used

Special collection of the advertising segment cancellations "Used the airmail" -216- covers in three volumes totally clean and detailed labeled single frankings/multiple/general/airmail/Zeppelin mail with cancellation variants upside-down and letter variants extremely expertly described with many different places so probably hardly to be collected again. The covers are not glued on top of each other but mounted on supports. Please note the scans with the descriptions.

Lot details
Geographic Origin
German Empire
From (Year of oldest stamps)
1923
To (Year of most recent stamps)
1945
Condition
Postal used
Type of lot
Collection
Has certificate or expert signature
No
Additional information about your lot
Special collection of airmail advertising cancellation in two volumes
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