Stamps & Covers Public Auction 359

1927 Registered Airmail cover to New York franked KGV 1d, 2d & 3d, plus USA 10c Airmail to pay for Airmail across USA, all tied by 'Tulagi 21 AP 27' cds, with reg label & 'US Customs Free of Duty' cachet & with b/s of Tulagi, Sydney & New York. The prepayment of USA internal Airmail fees by use of USA stamps was approved from Australia from 1924-30 & as this is routed via Australia the same rules must have applied. Such mixed franking from the Solomons a great rarity, the only recorded cover. (P)