This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
GermanSouthwestAfricapfhohenzollerncoupon. Postage stamp of German SouthWest Africa with advertising coupon SMY Hohenzollern issue pfennigs private collection Reichspost of German Empire uploaded by User Nickpo PDGermanyKUG PDNamibia PD stamps of German SouthWest Africa SMY Hohenzollern on stamps of German