Another amazing UNESCO cover from United Nations (Vienna ofifice), depicting a complete set issued in 2016 on topic "Unesco properties in Czech Republic". The places celebrated in this beautiful issue are: the Holy Trinity Column in Olomouc, the historic centre of Prague, the historic centre of Cesky Krumlov, the historic town centre of Kutná Horá, the Gardens and castle of Kromeriz and the Lednice-Valtice landscapes.