5 Kc. Airmail stamp with overprint "Karlovy Vary 1. X. 1938 plus swastika" from of the right upper corner of the sheet! Neat cancelled Karlovy Vary 1 4. X. 38 4 d in conjunction with number 62 on piece, issued only 25 examples - one of the large rarities the Sudeten territory philately, particularly since as corner margin piece, expertized Mahr BPP and photo expertize Osper BPP (2001) "perfect. A large Karlovy Vary rarity", Michel 3.000.-