November 6, 2017 PHLPost issued a series of stamps in honor of the 250th anniversary of the country's postal service (4 stamps and a souvenir sheet). One of the series's stamps depicts the horse postal service of the 19th century.
November 5, 2017, Botswana's post issued an unusual series of 4 stamps and a miniature sheet: "Crossing the rivers in Botswana." Crossed on the other side of the river in Botswana can be not only on boats, but also on jeeps and even horses.
October 25, 2017 the Poczta Polska issued a miniature sheet of 3 stamps: " The World through the eyes of the young". The stamps reproduce the drawings of the winners of the children's art competition.