Not sure about the maker but it is very well made and in very good condition. Size appears to be about a 40 inch US chest size. The item "WW2 German M36 Tunic" is in sale since Thursday, April 29, 2021.
This item is in the category "Collectibles\Militaria\WW II (1939-45)\Reproductions\Germany". The seller is "spartan-74" and is located in Rocky Hill, Connecticut. This item can be shipped to United States.