1953 CORONATION HARRISON PRINTERS BROMIDE & SLOGAN CANCEL PROOFS: 1953 6d Coronation Air Letter Harrison Printer's bromide proof (150mm x 125mm) & double size proof of "[crown]/LONG/LIVE/THE QUEEN" slogan cancel with, on reverse, "NOT FOR PUBLICATION, BROADCAST/OR USE ON CLUB TAPES, BEFORE/00.30 (B.S.T.) ON 2ND JUNE, 1953." [Both ex Carr Archive] An interesting pair (2 items) Cross Reference : SLOGANS (Image)