On October 11th, 2018, in tribute of the great chansonnier Charles Aznavour, a souvenir sheet with one stamp dedicated to the theme “World famous Armenians: Charles Aznavour” has been cancelled and put into circulation by “HayPost” CJSC in the premises of the Sport and Concert Complex after Karen Demirchyan within the framework of 17th Summit of the International Organisation of La Francophonie.

On October 8th, 2018, a souvenir sheet with one stamp dedicated to the theme “Summit of the International Organisation of La Francophonie in Yerevan” has been cancelled and put into circulation by “HayPost” CJSC in the premises of the Sport and Concert Complex after Karen Demirchyan within the frameworks of 17th Summit of the International Organisation of La Francophonie.

In 2018 on October 4th, a souvenir sheet with 1 stamp dedicated to the theme “Armenian statehood. 100th anniversary of the First Republic of Armenia and the May heroic battles” is put into circulation.

On October 2nd, 2018, one postage stamp dedicated to the theme “International. Europa 2018. Bridges” is put into circulation.

On September 24th, 2018, “HayPost” CJSC has cancelled and put into circulation a postage stamp dedicated to the theme "Armenian statehood. 100th anniversary of the organization of the Security Bodies of Armenia".

On August 29th, 2018, two postage stamps dedicated to the theme “Armenia-India joint issue. National dances” are put into circulation.

On July 27th, 2018, one postage stamp dedicated to the theme “Goris - CIS cultural capital” is put into circulation.

On July 26th, 2018, one postage stamp dedicated to the theme “Sport. 100th anniversary of Homenetmen” is put into circulation.

On July 25th, 2018, one postage stamp dedicated to the theme “Sport. FIFA World Cup. Russia” is put into circulation.

On July 01st, 2018, one postage stamp dedicated to the theme “Armenian statehood. 100th anniversary of the foundation of the RA Prosecutor’s Office” is put into circulation.

On June 06th, 2018, one postage stamp dedicated to the theme “Sport. 23rd Winter Olympic Games “Pyeongchang-2018”” is put into circulation.

In 2018 on June 04th, 1 postage stamp dedicated to the theme “Aurora humanitarian initiative. Laureates of “Aurora” prize. Tom Catena” is put into circulation.

In 2018 on April 05th, 3 postage stamps dedicated to the theme “12th definitive issue. Armenian alphabet” are put into circulation.

On April 04th, 2018, one postage stamp dedicated to the theme “Prominent Armenians. 100th anniversary of Babken Nersisian” is put into circulation.