1929 (May 15), pre-printed Pioneer Flight postcard on line London - Rotterdam - Berlin, franked by two values, red K.L.M. confirmation marking, pilot's sign on reverse, VF, Est. $100-$150 (Image)

1939-51, King George VI, Arms, HMS Victory, White Cliffs, 2s6p-£1, two complete sets of six and four, full OG, NH, VF, SG #476/78c, 509/12, C.v. £525 (Image)

Rocket Flights. 1934, Gerhard Zucker Flights ''Sussex-Downs'' (June 6), ''Scarp-Harris'' (July 28) and ''Isle of Wight'' (December 19), altogether four covers, two of ''Scarp-Harris'' with reversal two-line marking ''Damaged by First Explosion..'', one of which is partly burnt at top left; three franked by King George V definitives, one has meter postage, each one with semi-official rocket stamps, three have G. Zucker signature at left, arranged on 3 pages from a Collection, mostly VF, Est. $600-$700 (Image)