W. Andrzejewski, ryt E. Konecki
Stamp block bl46a from the series 500th Anniversary of Copernicus' Birth showing a panoramic view of Poznań from 1740 after a drawing by Friedrich Bernhard Werner and an emblem of the World Philatelic Exhibition 'Poland 73'
19 August 1973
Print run of 1,200,000 stamps
Ewa Sikora's Collection