1902 QV Is GREEN AND CARMINE 'BOARD OF EDUCATION' OFFICIAL (SG082) FINE USED WITH RPS CERTIFICATE. Small piece 30 x 27 mm with fine QV 1902 1s green and carmine overprinted 'BOARD OF EDUCATION' tied light strike 'SOUTH KENSINGTON' double ring date stamp. RPS Cert 210325. Very rare. (Ref 153024).