Great Britain 1967 4d Wild Flowers (Phosphor) set of four with variety agate omitted, SG 718/20pd.
A superb unmounted mint, with full original gum, set of four, each showing the striking printing variety with agate omitted.
Very rare, with Pierron recording only three mint sets of four and one damaged block of four.
Accompanied by a 2013 British Philatelic Association (BPA) Certificate of Authenticity.
SG catalogue value: £8,000.
