Page 25 - Chinese International Airmail to 1949
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1.3.1 China to Singapore, KLM to Amsterdam, then onward to London
First Rate to UK: Aug 1933 to 18 Mar 1935.
Surface first 20g $0.25 Air per 5g $0.47
16 Mar 1934 ‑ Shanghai to Liss, England. No backstamps. Double rate letter $0.25 + 2 x $0.47 = $1.19.
30 Aug 1934 ‑ Shanghai to London, England. No backstamps. Quadruple rate letter $0.25 + 4 x $0.47 = $2.13.
