PITCAIRN ISLANDS 1992 COMMEMORATIVE EXPEDITION FDC SIGNED BY SCIENTISTS
Sir Peter Scott Commemorative Expedition set on illustrated cover with ADAMSTOWN, PITCAIRN ISLANDS circular cancels dated 11 SEP 1992, the first day of issue. Signed by the expedition's principal scientists Michael Brooke, Tim Benton, Richard Preece and Tom Spencer. Scarce thus. Very fine. SG418-21; SC371-74
