2021-12-23: Buenos Aires Province Police, Bicentenary

2021-12-22: Christmas 2021

2021-12-22: Christmas 2021

2021-12-17: Mercosur (2021) - 30th Anniversary

2021-11-23: María Elena Walsh, Poet

2021-10-25: Solar Eclipses (2021)

2021-09-14: Appointment of First Argentine Postman, 250 Years

2021-09-06: Beatification of Brother Mamerto Esquiu

2021-08-30: Argentina-Bulgaria Joint Issue : Flowers (2021)

2021-08-12: University of Buenos Aires, Bicentenary

2021-07-26: Province of Buenos Aires, Bicentenary (2021)

2021-07-12: Rio Grande, Tierra del Fuego, Centenary

2021-06-24: Ernesto Sábato, Author

2021-06-17: Martín Miguel de Güemes, Independence War General

2021-06-07: UPAEP : Tourism (2021)

2021-05-30: Mercosur (2021) - Giant Anteater (Myrmecophaga tridactyla)

2021-05: UP - National Parks

2021-04-19: Federal Police of Argentina, Bicentenary

2021-04-05: Flight of Adrienne Bolland across Andes, Centenary