The World's First Postage Stamps
Twopenny Blue die proof, April 1840
Plate 1 Twopenny Blue, corner block, 1840
The largest known surviving block of the Plate 1 printing of the 1840 Twopenny Blue. In mint condition, the 38-stamp block was purchased by King George V in the 1920s.
Plate 2 Twopenny Blue, block of 12
