Great Britain 1840 1d black plate 1b and plate 7 two matching covers Tanzania stamps printed in black on thick

printed in black on thick wove card at the Royal mint as an experiment into alternative methods of plate production

Gives you a stunning insight into the private life of the scandal hit royal family in Christmas 1993

lettered SK

but extremely scarce as the printing variety only occurs once per sheet

though did allow for testing in underground facilities so long as debris stayed within the boundaries of the nation that was conducting the tests

Great Britain 1840 1d black plate 1b and plate 7 two matching covers Tanzania stamps printed in black on thickGreat Britain 1840 1d black matching covers to same recipient covering the non registered period and the issue with sending valuables by post during that period. With the discontinuation of Inland Money Letters on January 1st 1840, there was no secure way of sending Inland Letters with valuables by post. Top Cover Great Britain 1840 (September 8th) letter from London, Lombard Street to Doncaster bearing 1d black (plate 1b), SG2 originally containing a