Page 94 - Chinese International Airmail to 1949
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3.2.9 Rate UOR 9: 1 Aug 1948 to 20 Aug 1948 (20 days). Surface first 20g $150,000 Air per 10g $400,000
16 Aug 1948 ‑ Shanghai to New York, USA. No postal markings on front. Single rate letter $150,000 + $400,000 = $550,000.
3.2.10 Rate UOR 10: 21 Aug 1948 to 5 Nov 1948 (77 days). Surface first 20g $300,000 Air per 10g $800,000
27 Sep 1948 ‑ Shanghai to Stockholm, Sweden. Single rate letter $300,000 + $800,000 = $1,100,000.