Date of Issue: 31st May 2021
two stamps (1.10 & 2.30 BGN) and one souvenir sheet (1.10 & 2.30 BGN)
both stamps are issued in mini sheet of 5 stamps + 1 vignette
both stamps are issued in a booklet of 2 panes (2x 2 stamps).The stamps in the booklet have different perforation
a postal stationery is also issued (0.65 BGN)