Check out my other items. Scarce example of this usage right before the liberation of Shanghai. This is also the six/last phase of gold yuan rate conversion in Shanghai.
The item "China 1949 May24 Air Mail Letter Gold Yuan Shanghai to Canada Silver Rate" is in sale since Wednesday, May 22, 2019. This item is in the category "Stamps\Asia\China".The seller is "willialo0" and is located in College Station, Texas. This item can be shipped worldwide.