Lot no. 2892

5 m. lake, 20 m. olive, 50 m. purple and 200 m. maroon, all imperforated with  wm., overprinted "SPECIMEN" diagonally in black, unused without gum. Rare group, these were all used as Samples for showing the work of De La Rue and were adhered to boards, thus all known examples are unused without gum (Nile Post = $ 800).