I've imagined the stamp to show a dawn arrival in Asia of a 4 engine "China Clipper" from the U.S.
On the ocean below, to the right are sailing ships of east and west. To the left are steam ships of the time.
It is the dawn of a new era on the Pacific.
The later two stamps in the series were issued in 1937. The stamps in this series were primarily used for mail service to China.