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1931 MANILA to Washington, bearing a strip of 3 for 4c Proper Single Rate to the U.S. and 8c or 4 U.S. cents for Internal Air Mail Fee from San Francisco to Washington per Via U.S. Air Mail endorsement. |
1932 MANILA to FINLAND, unsealed envelope bearing a 4c single for Proper Single Circular or Printed Matter Rate to Europe. |
1933 MANILA to CHICAGO, Bureau of Posts official mail with a single, two pairs and strip of 4 and 2c Rizal single for 38c Proper Triple Registered Rate to the U.S. (18c rate plus 20c registration fee). Outbound official mail required the payment of postage. |
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