Postage stamp no 1867 from the series „Nicolaus Copernicus. His Life and Work”
- Creator: Helena Matuszewska, engraved Eugeniusz Tirdiszek
- Date: 26 June 1970
- Description: Postage stamp featuring a portrait of Copernicus based on a miniature drawing by Marcel Bacciarelli and a panoramic view of Bologna based on a 15th-century print. Print run of 6,795,000 stamps
- Location: Ewa Sikora’s Collection