1939 George VI, 10r purple and claret, overprint double, l.h., v.f., with 2003 Sismondo certificate (SG 50a) cat. £700 (Cat No. 56a) (Image)

Cat. £700, Est.US$350

1961-95 Progressive Stage Proofs from the Courvoisier Printer's Archives, collection of 402 different individual pieces and 4 souvenir sheets, usually 3-4 progressive stages, plus the finished design of each value, total of 29 different sets, all mounted on presentation sheets, various issues, including Golden Jubilee of Mubarakiya School, World Environment Day, Telecommunication, Boy Scouts, Money Show, Library, WHO, Medical Science Conference, Shipping, Oil Company, etc., v.f. and scarce group of probably unique proofs (Image)

Est.US$7,500