Proof Block Larger Than four -- 1971 (12 Oct.) 40/- and 50/-; 1971 (14 Oct.) 13/- and 20/-; 1972 (1 Nov.) 4/- to 50/- (eight values) and 1972 (6 Nov.) 4/-, 6/-, 9/- and 30/-, each in an imperforate complete sheet of one hundred with notes at foot regarding approval of colour, etc.