Dear all, some additions to observations by Philatarium;
The postage fee of 70 Yen at October 1953 (Showa 28) is very likely to be the international airmail letter, up to 10g to "Region 3", which includes Hawaii, Canada, United States and Australia.
Another possibility (less likely though) could be international airmail printed matter and braille matters, up to 20g to "Region 4", which includes European countries.
Further candidates may include the following domestic rates;
- septuple weight (i.e. up to 70g) normal letter (10 Yen + 6 x 10 Yen) (... very unlikely though) - normal letter up to 10g (10 Yen) + registered mail up tp 1000 Yen value (35 Yen) + express (25 Yen) (... this might be more realistic)
FYI, The postal rate, especially that for international airmail in the 40s and 50s is pretty complicated, with lots of amendment / changes occurring in relatively short time spans. The regions for international airmail applicable to this meter stamp (from July 1, 1953 to March 31, 1959) is as follows:
- Region 1 : mainland China, Taiwan, Hong Kong, Macau, Korea (Choson) - Region 2: Guam, Burma, Malaya, Philippines, Thai, Alaska - Region 3: Asian countries excluding those covered in Region 1 and 2, Hawaii, Canada, - mainland United States, Australia - Region 4: New Zealand, the Near East, Central/South America, European countries, North Africa, USSR - Region 5: African countries excluding those covered in Region 4
Best wishes, Hironobu (unechan)
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