Great Britain 1840 1d black, plate 1a, SG2 British Guiana stamps Great Britain 1998 26p British

Great Britain 1998 26p British Land Speed Record Holders error

It’s dated 1980

The American Fund for AIDS research

Three of the stamps are unmounted mint

SG667/8pvar

Great Britain 1840 1d black, plate 1a, SG2 British Guiana stamps Great Britain 1998 26p BritishWidely considered to be the finest quality single Penny Black first day cover in existence. Great Britain 1840 1d black, plate 1a, SG2 The "Sandeman Port" penny black first day cover. May 6th, 1840, the first day of issue, "Sandeman Port" letter and invoice from Sandeman, Forster & Co. sent from Lombard Street to Norwich bearing a 1d black plate 1a lettered "QJ", tied by a complete Maltese Cross cancellation and with Lombard Street Maltese Cross type