On October 9, 2018, the post office of Sri Lanka issued a postage stamp in honor of World Post Day.
On October 9, 2018, the Columbia Post released a souvenir sheet dedicated to domestic animals within the America Upaep 2018 issue.
On October 8, 2018, the Spanish Post released a Christmas series of 2 stamps.
On October 5, 2018, a souvenir sheet dedicated to the 25th anniversary of diplomatic relations between Latvia and Kyrgyzstan was issued by the Latvijas Pasts in cooperation with the Kyrgyz Post.
On October 5, 2018, a souvenir sheet dedicated to the 25th anniversary of diplomatic relations between Kyrgyzstan and Latvia was issued by the Kyrgyz Post in cooperation with the Latvian Post.
On October 4, 2018, the Russian Post within the series “Coats of Arms of Subjects and Cities of the Russian Federation” issued a souvenir sheet dedicated to the Moscow Region.
On September 28, 2018, the Slovenian Post released a series of 3 stamps and a souvenir sheet on the theme "Fauna" dedicated to domestic animals.
On September 26, 2018, the Isle of Man Post Office issued a series of postage stamps in honor of the 70th birthday of HRH Prince Charles.
On September 21, 2018, the Spanish Post issued a postage stampto honour the 150th anniversary of the death of of General Leopoldo O’Donnell y Jorris (1809-1867).
On September 18, 2018, the Luxembourg Post issued a stamp in honor of Postage Stamp Day.