5 Heller postage due stamp with hand stamp overprint "Karlovy Vary 1. X. 1938 plus swastika", corner margin pieces lower right with plate number "1", cancelled "Karlovy Vary 1 4. X. 38" on piece, very fine, issued only 134 examples - of it actual only 1 or 2 pieces with plate number possible, expertise Robert Brunel VP (2023) : "the condition is perfect. Pieces with plate number are rare. "