1925 Prague Congress set of 3 in mint nh blocks of four, very fine, plus set on cover with special congress cancel, fine (Image)

1925 Prague Congress 100h on 50h+50h reply paid postcard cancelled by Praha 24.V.25 cds sent on the first day of the congress with message inside in German reading: "on this double-card I have affixed the just-released commemorative stamp of the International Olympic Congress", stamp showing variety "no dot after INTERNAT", some minor toning around stamp, unusual (Image)

1925 Prague Congress 50h postal stationery card (green inscription) and Congress set of three stamps all cancelled by the special Congress cds, sent to Switzerland, a couple of small creases, fine (Image)

1925 Prague Olympic Congress special roller cancel tying 2k to commercial envelope, very fine (Image)

1925 Olympic Congress group incl. set of 5 unused postal stationery cards with Congress legend, one used with Congress special cancel, Congress overprinted stamps mint set and a piece with set tied by special Congress cancels, and a cover with the Congress code 2 roller cancel, fine (Image)