Great Britain 1840 1d grey black Plate 1a, SG3Great Britain 1840 1d Grey Black Plate 1a, SG3 Rare Black Maltese Cross A very fine used example of the 1840 1d Grey Black from the first printings of the penny black (Plate 1a), lettered 'HH', featuring a full four margin cut and showing moderate plate wear. What makes this example especially desirable is the black Maltese Cross cancellation, scarce on the first printing plate and more typically seen in red. The strike is crisp and well centred,