Danzig International Philatelic Exhibition MiNr. 217 MiNr. 218 MiNr. 219 a MiNr. 219 b MiNr. 219 c On 7 July 1929, Danzig issued this set of semi-postals commemorating the International Philatelic Exhibition. Set Date(s) 7 July 1929 Watermark(s) None Album Page(s) International Philatelic Exhibition MiNr. 217 MiNr. 218 MiNr. 219 a MiNr. 219 b MiNr. 219 c On 7 July 1929, Danzig issued this set of semi-postals commemorating the International Philatelic Exhibition. Set Date(s) 7 July 1929 Watermark(s) None Album Page(s)