Great Britain SGDP20(1) 1840 Rainbow Trial plate of 12
For Sale: £70,000.00
This is a plate of 12 trial stamps from the 1840 Rainbow Trials.
plate is reddish-brown and is on thick, white, wove, unwatermarked
paper. Other sheets are known to exist in black, orange-red,
reddish-brown and deep blue.
An excellent complete sheet of twelve.
Stanley Gibbons Specialised Catalogue DP20(1).