On October 10, 2017, the Portuguese Post issued a set of 6 stamps and a souvenir sheet in honour of the 500th anniversary of the Postal Service of the country.
A series of 4 miniature sheets with pictograms of 21 sports, included in the program of the Asian Games was issued by Turkmenpost in honor of the 5th Asian Games in Ashgabat on September 17, 2017.
On September 14, 2017, the Irish Post issued a series of stamps dedicated to the National Plowing Championship. The series consists of 2 stamps and a miniature sheet.
On September 5, 2017, the post Mostar issued a postage stamp for the 100th anniversary of the rescue of the starving children of Herzegovina.
On the September 1, 2017 the post of Serbia issued a postage stamp dedicated to the famous Ljubichevsky horse games.