Great Britain 1840 1d black, plate 1a, SG2Great Britain 1840 1d black, plate 1a, SG2, May Date "9th May" cover. A superb entire letter sent from Bristol to Stourbridge bearing a large four margin 1d black, plate 1a, lettered "CI", neatly tied by a crisp strike of a distinctive Bristol deep red brown Maltese Cross found only in the first month of use. Backstamped by a Bristol despatch circular date stamp for the fourth day of issue "MY 9 1840". A very attractive early "May Date" cover with the