Bratislava, August 9, 2021. Slovak Post (Slovenská pošta) will issue a Commemorative postmark on 16 August 2021 on the occasion of the planting of the Tree of Peace, which will be dedicated to the 100th Anniversary of the Death of King Peter I Karađorđević of Serbia (11 July [O.S. 29 June] 1844 – 16 August 1921). The postmark will be available at the Veľký Meder Post Office. The postmark will only be valid this one day. Author of the design is Adrian Ferda.
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