1840 V R OFFICIAL 1d black (OF) four close to good margins, cancelled by trial concentric rings cancellation which has been officially removed, very rare. BPA Certificate (2007) SG V1 (Image)

1885 1s Dull green (I.R. Official). Very fine and fresh unused o.g. example of this very difficult departmental issue lettered NF, overprinted "SPECIMEN" type 9. Spec. L6s. (Image)

1902 2d yellowish green & carmine-red (O.W. Official). Very fine and fresh unused o.g. example of this scarce departmental issue. 1991 RPS Cert. (Image)

1891 2d grey-green & carmine (Govt. Parcels). Very fine and fresh unused o.g. example overprinted "SPECIMEN" type 15 with "IR" additionally handstamped at lower right. A very unusual departmental trial, in all probability unique in private hands. Spec. L25sVar. 2013 BPA Cert. (Image)

1902 2½d Ultramarine (Board of Education). Superb unused o.g. example of this rare departmental issue. 2008 BPA Cert. (Image)

1903 2d yellowish green and carmine-red, 'ADMIRALTY OFFICIAL' overprinted "SPECIMEN" type 16, a bottom marginal example, with RPS certificate (2001), very fine o.g. SG O104 £350 (Image)