1872-90 SPERATI REPRODUCTIONS: Photographic references of the QV 4c & 24c (SG 122&127) as unused, probably from his die proofs, these handstamped on reverse. With extensive range of 17 "used" examples showing Sperati's forged surcharges and postmarks. See scans, interesting and comprehensive reference group of the work of this, the most dangerous of forgers. From the distributions made following the BPA purchase of Sperati's archive.
