Auction 333-341 Australian States & Commonwealth of Australia and New Zealand – The ‚KOOYONG‘ Collection - Day 2

1911 (Jan): "Union of South Africa" bilingual Essays for the first issue by D. Mackay, the imperforate composite strip of five different designs for values from 1 d. to 5 s., as submitted to the Competition Committee, printed in violet on glazed smooth surfaced white medium paper. Most attractive Essays.