Great Britain 1840 1d Black Plate 10, SG2Great Britain 1840 1d Black Plate 10, SG2 cover. An exceptionally fine used four margin example lettered LC tied to a clean entire by a crisp red Maltese Cross. Addressed to Sheffield and backstamped with a Lombard Street, London Maltese Cross date stamp for JA. 04. 1841. Examples of this plate cancelled in red used on cover are rare. A superior quality cover of exhibition quality and one of the most beautiful penny black covers I have ever had the