Danzig Air Raid Defense MiNr. 267 MiNr. 268 On 27 March 1937, Danzig issued this set of stamps commemorating the Danzig Luftschutz Bund (DLB), or Danzig Air Raid Defense. Set Date(s) 27 March 1937 Watermark(s) Album Page(s) Air Raid Defense MiNr. 267 MiNr. 268 On 27 March 1937, Danzig issued this set of stamps commemorating the Danzig Luftschutz Bund (DLB), or Danzig Air Raid Defense. Set Date(s) 27 March 1937 Watermark(s) Album Page(s)