Great Britain 1840 1d Rainbow trial (State 1), SGDP20

Great Britain 1840 1d Rainbow trial (State 1), SGDP20Great Britain 1840 1d Rainbow trial (State 1), SGDP20. A very fine and fresh four margin unused example in reddish brown. A very scarce State 1 example. These trials were produced to test various combinations of stamp and cancellation ink. It has long been considered that the voiding of the corners was achieved by filling the grooves of the plate with wax. However, recent research has brought this assumption into question. It is believed that the wax

Pierron records only circa 288 mint examples

Blue cover printed in black with advert pane "BOVRIL MAKES A STRONG DEFENCE'

unsevered pair

The left pair with a vertical crease

Elizabeth II

Gibraltar 1904-08 4s deep purple and green

but much better than normally seen with almost none of the usual rubbing

carried by 'Oriana'

A scarce multiple of the first printing of the world's second postage stamp and a real showpiece

watermark large star

This 20c stamp features the launching of the small lightly armed warship

and the mother of Princes William and Harry