unused 1885 ½a. (part gum) and 1886 ½a. (no gum - creased), both with overprint inverted, 1903 3a. variety overprint double, 1927 2a. 6p. with clandestine overprint inverted, Official 1914 4a. with clandestine overprint inverted and 1928 ½a. block of four with overprint double, virtually coincident.