July 3, 1946 was the last day of the Commonwealth of the Philippine Islands, United States of America.
The much awaited independence and the formation of the Republic of the Philippines was to take place ceremoniously at Manila on July 4, 1946.

1946 JULY 3: MANILA to OREGON
Air mail cover posted on the last day of the Philippine Commonwealth.

First Day Cover of the
Inauguration Day of the Republic of the Philippines, July 4,1946.