About TK-1(china)/Gsh-4MS(Russia). TK-1 (1# for 55-59cm) includes. (some countries in South America need more time). Please request revised invoice when you are finished shopping.I will send you a combined invoice. The item "High Altitude Air Force MiGs Jets Fighter Pilot Flight Helmet, Headset Cap" is in sale since Wednesday, May 9, 2018. This item is in the category "Collectibles\Militaria\Militaria (Date Unknown)\Air Force". The seller is "felicia567" and is located in China,shanghai. This item can be shipped worldwide.