The price of 1 military postal stamps issued by the Republic of China Post

"Glory and Mission" contains many precious and rare military postal materials. China's first military mail with no face value. The Republic of China Post issued 1 military postal stamps with no face value. The picture shows the military post staff passing letters in the trenches, and the words "military post" are printed on the pattern. This is the 1 military mail issued by China, which is of great cultural value. It's hard to estimate ... probably between thousands and tens of thousands.