50 korun Slovakia/essay uncirculated banknote design 2018
Private graphic essay specimen banknote (not legal tender)

Prefix: "S"
Dimensions: 150 x 75 mm
Date of print: 13. 08. 2018
Numbering: with unique individual numbers 
Front side: Alexander Dubček (1921 – 1992), was a Slovak politician who served as the First secretary of the Presidium of the Central Committee of the Communist Party of Czechoslovakia (KSČ) (de facto leader of Czechoslovakia) from January 1968 to April 1969. He attempted to reform the communist government during the Prague Spring but was forced to resign following the Warsaw Pact invasion in August of 1968.
Back side: The composition of the Czechoslovak flag, the Russian occupant on a landing tank and the barbed wire.
Amount produced: 693 pcs,  Polymer banknote with clear window.