Lot 2242 -
19.9.1928, 50 C. In a horizontal pair and 1 Fr. "airmail" with red postmarks "SAARBRÜCKEN 2 (BHF) airmail" on properly franked airmail registered cover to Mainz, there are only 23 registered documents with this red cancellation, superb, R! Photo expe....
Currently EUR 2,200
(Link to this Lot in the Catalog for Bidding)