The EXPO 2020 Dubai World Exhibition, that was intended to take place in 2020, has been postponed to 1st October 2021 as a result of the global COVID-19 pandemic. It is intended to showcase our futuristic future. As a nod to the presentation of new technologies, Slovenská pošta, a. s. decided to support the participation of Slovakia in the global exhibition, which is being held in an Arabic country for the first time, through the issue of a new stamp printed using a new unique technology, a nano-relief embossing.  The motif of the postage stamp is the reverse...