1986 'THREAT TO ENVIRONMENT' PROPOSED STAMP DESIGNS BY DAVID GENTLEMAN. Sheet of paper (268x150mm) with 7 stamp size designs in pencil with Queen's head, showing the effects of habitat destruction through pollution and development. Issue accepted by Stamp Committee and the Post Office but believed stopped by Parliament and Ministry of Agriculture as subject too controversial. Signed David Gentleman. Superb and rare. (Ref 89256).