b'75632632P PSPOSTAL CARDS: 1911 1d Postal Card Proof in Black showing the issued Four Corners 1d stamp design, with admonition in Italics The Address only to be written on this side beneath COMMONWEALTH OF AUSTRALIA, additional instructions at lower left Date stamp on reverse side.]. Unique!.$1,2001,500ex 633633PSPOSTAL CARDS: 1911 1d Four Corners stamp design, with admonition in italics The Address only to be written on this side added as the Fourth Line of Heading, on cream stock, two examples, one unused and the other addressed to Sydney (no postal markings); age spotting on the latter. Unlisted by Higgins & Gage. The only known examples. (2)$8001,000ImagesLot numbers in black indicate lots not illustrated in this catalogue but which are available online at www.leski.com.au'