essay Proof 1981 Puffin pulls (2), each comprising eleven values on thin surfaced paper, one set with light impressions and small numerals on card marked "AS SUB. 16.9.81." and "Not Approved 30/9/81", the other set with heavy impressions and large numerals on card marked "As sub 30/9/81" and "Approved 7/10/81 subject to lowering the 0 of 20 and the 3 of 23 to line up with the other numeral. 7/10/81", each card c. 270x220mm.; also an advice note from Format International Security Printers Ltd. to Bradbury, Wilkinson forwarding the two bromide proofs and the set of eleven in pristine mint sheets of seventy-two