1847 1s pale green, a stunning mint example with large part original gum and large margins all round; very fresh and attractive. R.P.S. Certificate (2001) submitted by the keeper of the Privy Purse. Ex The Royal Philatelic collection of her Majesty The Queen. (Image)

1854 1s green marginal block of eight from the top of the sheet, with each stamp overprinted "Specimen" type 1 in black, virtually full original gum with a small patch missing in each corner, a spectacular exhibition showpiece. (Image)

1852 (Dec 21) Entire letter from Liverpool to New York, bearing 1s green embossed, cut square with margins on all sides, additionally franked 1d. red-brown (paying 1d late fee) each cancelled “466”, endorsed “p. Humboldt via Southampton”, red “PAID” and “21/CENTS”. A fine 1/- stamp, the letter sent by the N.Y & Havre Line. Fine and scarce. (Image)

1854 (18 Jan) 10d. used on large part envelope (flaps missing) from Brighton to Paris, the stamp with large balanced margins; fine and attractive. Brandon Certificate (2006) (Image)