GREAT BRITAIN 1953 (FDC) 1S6D CORONATION BLOCK, THROGMORTON AVENUE
1s6d Coronation block x 4 on type 1b BPA/PTS registered cover to Canada with THROGMORTON AVENUE BO, EC2 circular cancels dated 3 JU 53, the first day of issue. Generally fine. SG535; SC316