Quick search for stamps:
On November 30, 2018, the post of Sri Lanka issued a stamp in honor of the 200th anniversary of the uprising of Uva-Wellassa.
On November 8, 2018, the Guernsey Post released a series of postage stamps in honor of the 70th anniversary of His Royal Highness the Prince of Wales.
On November 7, 2018, the Croatian Post issued a souvenir sheet depicting horses of the Lipizzan breed.