50 Heller Legionnaire stamp Doss Alto with hand stamp overprint "Karlovy Vary 1. X. 1938 plus swastika", with first day postmark Karlovy Vary 1 1. X. 38 on faultless letter piece, issued only 150 examples, of it only a small part with first day cancellation, expertized Mahr BPP, photo expertize Brunel VP (2020) "the condition is perfect. ", Michel 500.-