Great Britain 1840 1d Rainbow trial (State 2), SGDP20

Great Britain 1840 1d Rainbow trial (State 2), SGDP20Great Britain 1840 1d Rainbow trial (State 2), SGDP20. A very fine unused four margin imperforate example printed in deep red brown on thin white wove paper, showing "Tiny dash" in S. E. corner square indicative of state two. A scarce specialised philatelic item of early GB postal history. 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

The magazine is in fine condition

The missing colour results in the loss of the Queen's head

A fine used example by part Kiukiang 'dollar chop' in brown

Very fine used example lettered KH

Tombaugh would sell these souvenir copies at talks he gave about his discovery of Pluto so that he could raise money for scholarships for young people to study astronomy

The bottom right stamp has tiny tone speck on reverse

Still an attractive set with very fresh colours and white gum

believed to be one of only 4-5 examples in private hands

The Stanley Gibbons catalogue value is £160

A very fine unmounted mint example with full original gum printed by De La Rue

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