This pair of beautifully illustrated Polish stamps from 1967 celebrates the nation’s equestrian heritage. The 50 groszy stamp, titled Klacze Arabskie (“Arabian Mares”), features graceful mares and foals, showcasing the elegance and refinement of Poland’s famed Arabian breed. The 90 groszy stamp, Konie Sportowe (“Sport Horses”), depicts powerful jumpers in motion, symbolizing strength and agility in equestrian sport. Designed by L. Maciąg and printed by PWPW (Polish Security Printing Works), these stamps combine artistic flair with national pride in horse breeding excellence.