Lot
18 
Australia, 1918, King George V, ½d bright green, thin "½" at right, 2nd watermark, position R43, neat Richmond town cancel, strong bright color, wrinkle towards top of no consequence, Fine; with photocopy of 2020 Sismondo certificate. Scott No. 19a. SG No. 20d £8,000 ($10,400).
AN EXTREMELY RARE USED EXAMPLE OF THE 1918 KGV ½D ISSUE WITH THIN "½" AT RIGHT FROM THE SMALL MAY 1918 PRINTING - A GREAT AUSTRALIAN RARITY.
It is not known why Harrison undertook the retouch which led to the thin "½" variety. Very few examples of this variety are known. A census of known examples as of 1999 show that only nine used examples have been recorded. One of which is in the Royal Collection.