This attractive 1966 Belgium Europa issue features the classic CEPT emblem symbolizing European postal unity, depicted as a stylized figure integrated with maritime waves—representing communication across borders. The clean typographic “EUROPA” heading and minimalist design reflect the modernist aesthetic typical of mid-1960s European definitive issues. Issued in complementary green (3 francs) and red (6 francs), the pair is a standard yet essential addition to any Europa thematic collection. Well-centered mint examples with fresh colors remain popular among collectors focusing on early Europa series.