b'88574* (*) 1882-85 (SG.78 & 78w) 4d carmine (2, shades) one example "Wmk crown to the right of CA",darker shade without gum, Cat 380. (2) .$200250575* 1902-11 (SG.128) 1 orange-brown, tiny central surface mark, well centred MLH, Cat. 425. $220260WARailway Stamps576** * O (*) Accumulation with 1952 Train & Bus Series 9d (2), 2/- (2) & 10/-, 1966 15c, 40c(2), 45c & 60c, 1975-78 Westrail to 50c & $1.50, 1979-82 Westrail decimal meters (6); also TASMANIA 1966-68 Decimals to 80c plus some Hobart Municipal Trams and Metropolitan Transport Trust passenger tickets. (70 items) $120160WAPostal History577C 1896 (May 19) inwards cover to Moline, Summerhayes & Hawkins (architects) in Coolgardie with Victoria QV 1d orange-brown pair tied by HAWTHORN duplex cancel, redirected on arrival to Kalgoorlie, backstamped COOLGARDIE, TRAVELLING POST OFFICE/B/WA & KALGOORLIE. [Moline, Summerhayes & Hawkins were the architects of the St John of God Hospital in Kalgoorlie which opened in 1897 to care for the sick and injured of the Western Australian goldfields] . $120160WA Postmarks578578O AUSTRALIND: octagonal \'PAID/AUSTRALIND\' datestamps PMI:PA Pd 2 (4) in magenta dated "22nd Augt/44" (early date, possibly ERD?) and in black dated "1846.28 June", "15 Sept 1846" or "9 Aug 1850", all are square-cut on letter fragments. Scarce group. (4 items) $400500Session 2Sunday 23 August, 12 Noon (AEST)Rest of the WorldStamps & Postal HistoryThematics579C PS Air Balloons: 1929-1970s collection of mostly European covers & cards with Air Balloon related illustrations, cachets, labels, and/or commemorative postmarks incl. Switzerland 1929 Fete Nationale 40c Air Postal Card with commemorative datestamp, Belgium 1949 "Coupe Andries Blitz" balloon illustration, Saar 1953 illustrated Postal Cards (2) one with "BALLON JULES VERNE" cachet, 1955 First Balloon Ascent in Surinam illustrated card; later material includes signed 1970s covers; mostly fine. Attractive collection. (51 items) $250350580P Buildings & Architecture - Proofs: El Salvador 1958 Intercontinental Hotel Issue: Courvoisiers\' original colour separations and completed designs, all imperforate & affixed to the official Archival album pages [#339 & 340] dated 22/3/1958. Superb and unique. (30 items).$400600581P Buildings & Architecture - Proofs: El Salvador 1960 Housing Projects Issue: Courvoisiers\' original colour separations and completed designs, all imperforate and affixed to the official Archival album pages [#436] dated 4/11/1959. Unique. (15 items). $600800582P Buildings & Architecture - Proofs: El Salvador 1961 150th Anniversary of Independence (SG 1154-63) complete set of imperforate colour separations for the ten denominations, affixed to five pages from the printer\'s records. Ex Courvoisier Archives. (60 items)$1,5002,000'