Page 58 - Chinese International Airmail to 1949
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2.2.2 CNAC to Calcutta, BOAC Horseshoe Route to Durban, Surface to North America
Rate 3: 2 Mar 1942 to 31 Oct 1942 (244 days).
Surface first 20g $1.00 Air per 5g $5.10 Registration fee $1.00
8 Jun 1942 ‑ Paksha to Foam Lake, Canada. Paksha registration handstamp and Kuking transit (30 Jun) on front.
Unusually datestamped at Calcutta (4 Jul). Canadian postmarks: Montreal (6 Sep), Vancouver (10 Sep), WPG & BINS R.P.O. (11 Sep),
BINS & SASK R.P.O. (12 Sep) and then Foam Lake arrival (12 Sep). Canadian censor label DB/C. 195.
Single rate registered letter $1.00 + $5.10 + $1.00 = $7.10.
Rate 4: 1 Nov 1942 to 28 May 1943 (209 days).
Surface first 20g $1.50 Air per 5g $5.10
1943 ‑ Canton to Washington DC, USA. Indian DHF/21 (Intelligence School Foreign Section) censorship handstamp on front.
Double rate letter $1.50 + 2 x $5.10 = $11.70.
