Lot 20237 – 1925 Prague Congress group of 15 official postal stationery cards

1925 Prague Congress group of 15 official postal stationery cards, different coloured legends, each cancelled by the special Congress cancellation, on various days incl. 24.V (9), 29.V, 2.VI, 3.VI (3) and 4.VI, one toned otherwise fine to very fine, plus piece with the Congress roller cancel.