1966 5f on 5c mint n.h. block of 4 from the upper left corner of the sheet showing variety surcharge quadruple one inverted; also a mint n.h. single showing the error and a matching normal block of four of the issued stamp (S.G. £375+ as singles). (Image)

1966 5f on 5c mint n.h. imprint block of 12 from the lower right corner of the sheet showing variety surcharge quadruple one inverted, a fine and very rare positional multiple (S.G. £1'050 as singles). (Image)

1966 15f on 25c mint n.h. imprint block of eight from the foot of the sheet, each showing variety surcharge inverted, very fine and rare positional multiple (S.G. £600 as singles). (Image)

1966 History of the Olympic Games 35f on 70c black with inverted overprint in mint n.h. lower right marginal plate block of four, plus a matching normal block and a single with inverted overprint, very fine and fresh (S.G. £250+). (Image)