Set of 4 Poland 1969 XXV PRL 25th Anniversary Used Stamps SC #1669-72

Set of 4 Poland 1969 commemorative postage stamps marking the XXV anniversary of the Polish People’s Republic, with “XXV PRL” text and colorful historical designs. The stamps feature portraits, artwork, and Polish inscriptions, making them suitable for collectors of Polish stamps, Eastern European postal history, and PRL memorabilia. Good pre-owned condition; cancelled, as shown in the photos.