Lot 10592 – 1971-91, mint group of Machins errors and varieties

1971-91, mint group of Machins errors and varieties incl. 1971 10p with orange-brown omitted (S.G. X885a £140, some slight gum disturbance), 1975 8 1/2p block of 10 with blade flaw, 1977 High Value £1 mint n.h. partial imperforate horizontal pair, 1977 3p significantly misperfed and 1991 24p top marginal imperf. pair (S.G. X969a £225), very fine group.