2017 2018 2019 2020 2021 2022 2023 agriculture Algeria Andorra French Argentina Armenia art Australia Austria Azerbaijan Bahrain Belarus Belgium best stamp book illustrations Bosnia and Hercegovina Bosnia and Herzegovina (Mostar) Bosnia and Herzegovina (Republika Srpska) Botswana Brazil breeds of horses Bulgaria Canada cavalry chariot chess children toys children’s drawings children's drawings China Christmas cinema circus coins Colombia Croatia culture and traditions Czech Republic Denmark emblems and symbols epic equestrian equestrian sport Europe Exhibition fairy tales famous horses Finland fire service folklore France French polynesia Georgia Germany Great Britain Greece Guernsey harness racing heraldry hippodrome history holidays and festivals horse ammunition horse breeding horse-drawn transport horserace horses horseshoes Hungary Iceland India Iran Ireland Isle of Man Israel Italy Japan Jersey Kazakhstan Kyrgyzstan Latvia Liechtenstein literature Lithuania Luxembourg Macedonia Mexico military Moldova Monaco monuments Morocco. Myanmar mythology national traditions and holidays nature Netherlands New Caledonia new issues New Year New Zealand North Korea (DPRK) Norway Order of Malta painting parades and processions Paraguay pentathlon personalities philately Philippines Poland police polo Portugal postal history postcards postmark Republika Srpska Romania royal horses Russia San Marino sculpture Serbia Singapore site Slovakia Slovenia Spain sport Sri Lanka stamps Sweden Switzerland tourism troika Tunisia Turkey Turkmenistan Ukraina UN UNESCO UNO Upaep Uruguay USA Uzbekistan veterinary Vietnam workhorse zoo