Spain Post in 2017 launched an interesting series: "12 months, 12 stamps." Every month a stamp was issued in circulation, dedicated to a Spanish province.
On January 11, 2018, An Post issued a postage stamp in honor of the 200th anniversary of the GPO on Dublin’s O’Connell Street.
On December 26, 2017, the post of Argentina issued a postal souvenir sheet in honor of the 200th anniversary of the crossing of the Andes under the command of Jose San Martin.