G.B. 1957 QEII ½d Wilding block of four +1 on cover, BFPO Christmas Island cancel
G.B. 1957 QEII 1d Wilding block of four on cover, BFPO Christmas Island cancel
G.B. 1957 QEII 2½d Wilding block of four on cover, BFPO Christmas Island cancel
G.B. 1957 QEII 3d Wilding block of four on cover, BFPO Christmas Island cancel
