365 / September 2017
365. Heinrich Koehler Auction
1850, Plate I, intermediate impressions: 2 d. greyish-blue, large margins, tied to entire letter from "SYDNEY FE 12 1850" to Melbourne; a fine early letter, signed Georg Bühler
1851, Victoria 2 d. prussian blue, worn plate, horizontal strip of five, good to large margins, used, slight corner crease at right, otherwise fine