The stamp, produced by Poczta Polska in cooperation with Polish Radio, features the broadcaster’s centennial logo—a simplified red-and-white geometric design evoking "play" and "record" buttons.
It was created by designer Agata Tobolczyk in what has been described as minimalist style reflecting contemporary visual communication.
Image: Poczta Polska
“I am glad that Poczta Polska has joined the celebrations of Polish Radio’s centenary and is part of history in this milestone year," said Polish Radio CEO Paweł Majcher.
Polish Radio traces its beginnings to a test broadcast on February 1, 1925, from a transmitter in Warsaw. Soon after, the new Polskie Radio company began operating. It received a nationwide broadcasting licence on August 18, 1925.
Regular programming started on April 18, 1926, and expanded rapidly in the years that followed, with new studios, longer airtime and what some say was the world's first international programme exchange in 1927.
By the late 1930s, broadcasts ran from early morning until midnight, with music playing a central role through in-house choirs, chamber ensembles and the Polish Radio Symphony Orchestra.
After World War II, the broadcaster launched a second national station in 1949 and established its Experimental Studio in 1957, a pioneering sound laboratory for composers and media producers.
Polish Radio 3, which debuted in 1958, quickly gained popularity among students and young listeners.
Today, Polish Radio operates five national stations along with several digital and online channels, offering news, music, cultural programming, podcasts and more.
In the digital era, Polish Radio has embraced mobile apps, streaming platforms and DAB+ technology, while continuing to serve as a trusted source of information, entertainment and companionship for audiences across generations, executives have said.
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Source: IAR, polskieradio.pl, poczta-polska.pl
Click on the audio player above to listen to a report by Agnieszka Bielawska.