On April 26, 2018, Iceland Post issued a minisheet in the lead-up to the Nordic Philatelic Exhibition NORDIA 2018
On April 19, 2018, the Spanish Post issued the minisheet dedicated to the 400th anniversary of the Plaza Mayor in Madrid.
On April 20, 2018, Poşta Moldovei issued a stamp from the series Ethnos of Moldova. Gypsies. The stamp depicts a Romani сouple and grazing horses.