04.06.2018 Liechtenstein - 1 stamp
01.08.2018 Guernsey - 1 stamp
Isle of Man
The selection of the themes is done during PostEurop's Philatelic forum.
Each member of PostEurop can propose themes.
During the selection of the themes, each member can give 2 votes.
The five most voted themes go to the final voting at the Philatelic forum held every two year.