Issued in 1977 to celebrate the Silver Jubilee of Queen Elizabeth II, this five-stamp set honors 25 years of her reign (1952–1977). Designed by Jeffrey Matthews, each stamp features a crowned portrait of the Queen framed within the stylized initials “E II R,” symbolizing Elizabeth Regina. The denominations — 8½p, 9p, 10p, 11p, and 13p — appear in distinctive color combinations (green-blue, mauve-maroon, brown-blue, rose-red, and olive-yellow), making the set visually striking. The design elegantly merges tradition and modernity, commemorating a milestone in British monarchy and philatelic design.