Page 34 - Chinese International Airmail to 1949

1.4.2 PAA Clipper from Hong Kong to San Francisco

Rate 1: 19 Apr 1937 to 31 Aug 1939 (865 days).
Surface first 20g $0.25 Extra 20g $0.15 Air per 5g $0.95 Registration fee $0.25

8 May 1937 ‑ Nanking to New York, USA. Backstamped at Shanghai (9 May), San Francisco (22 May) and New York (24 May).
Registered letter up to 25g $0.25 + $0.15 + 5 x $0.95 + $0.25 = $5.40 + air to Hong Kong 5 x $0.25 = $6.65.

6 Jul 1937 ‑ Changsha to Nangatuck, USA. No postal markings on front. Sender’s endorsement ‘By Rail to Hong Kong’ (75%).
Recipient’s endorsement indicating arrival on 22 Jul 1937. Single rate $0.25 + $0.95 = $1.20.