1924-36 Issues. 1924 1/2d green overprinted "SPECIMEN" type 32 in mint block of four (only one stamp showing the merest trace of hinge), very rare and most likely unique as a block (S.G. Spec N33ua). (Image)

1929 PUC £1 black, overprinted SPECIMEN in red (type 32), large part o.g. (toned); scarce (S.G. £3'000). (Image)

1929 PUC £1 used, a fine and lightly cancelled example (S.G. £600). (Image)

1934-35 Harrison 1/2d green mint n.h. top marginal pair of tête-bêche booklet panes of six imperforate imprimaturs, with "BPMA" handstamp on reverse, some gum wrinkling as prevalent throughout the sheets, extremely rare in this format. (Image)

1934 1 1/2d Photogravure vertical pair of essays printed by Harrison & Sons in green on "Harrison" script gummed watermarked paper, mounted on a small piece of cream card. A very attractive and rare unadopted essay. (Image)