POSTAL HISTORY: 1953 commercial usage of formular aerogramme to the USA with KGVI Pictorials 2c 3c 8c 12c & 20c - making the 45c rate - tied by faint 'SIBU' cds. [Printed quarterly letter from a female Methodist missionary who calls Sibu "a place of confusion of tongues" and writes of a trip to the interior among the Dyaks: "...The only way to go is by...long-boat...about 115 miles...", finishing "Airmail to or from Borneo takes two weeks. Regular mail (1st class) takes two MONTHS", plus a lengthy handwritten postscript]

Grade A (Image1)

Estimate AU$75