Austria

2023 The 100th Anniversary of Bee Language

2023 Insects – Eriogaster catax

2023 In Memoriam – Pope Benedict XVI

2023 Flowers – German Bearded Iris

2023 Definitives of 1916 and 1918

2023 The 300th Anniversary of the Birth of Peter Anich, 1723-1766

2023 Greeting Stamps

2023 Transportation – KTM

2023 Electric Automobile, by Ferdinand Porsche

2023 Modern Art