Block of Four 1947-55 mint collection of blocks of four including 1947 Patton and Welfare Fund, 1949 U.P.U. and Welfare Fund, 1950 War Orphans and Welfare Fund, 1952 Philatelic Exhibition (2f. and 4f. block of four only), 1952 Olympic Games and Welfare Fund, 1953 Wedding and some 1955 issues; many are unmounted, a fine lot