2023550th Birthday of Nicolaus Copernicus - FDC without stamp

A souvenir sheet with three stamps focuses on the multifaceted life of Nicolaus Kopernicus (1473-1543): "The Cartographer" (face value: CHF 1.80), "The Physician" (face value: CHF 1.80) and "The Astronomer" (face value: CHF 2.30). Kopernicus was born 550 years ago in Thorn (Toruń), which today lies in Poland.