China.(Manchuria). 1933. Large 'Anglo-Chinese Eastern Trading Company, Harbin' registered 'Trading envelope' addressed to 'Anglo-Chinese Trading Co, London' bearing Manchuria SG 11, 10f orange-red (strip of three), SG 15, 20f bistre-brown and SG 16, 30f orange (stamps on reverse) tied by Harbin date stamp '3rd May 33' with matching registration label with framed bilingual 'Registered' in violet with hand-struck 'via Siberia' on face in violet.
Fine cover paying the 80 fen registered rate to England. The international postage rates from the '26th July 32 - 1st Jan 34'. The 80 fen rate is a 3 times registered rate cover, letters to 20g, 25 fen plus 15 fen for each extra 20g = 25f plus 15f x 2 = 30 fen plus 25 fen registration fee = 80 fen.