This is a retired TK-4A used by MiG fighter pilot. The glass shade was worn and inside black sunvisor has been taken down. The electric wires and breathing system are good condition. Please request revised invoice when you are finished shopping. I will send you a combined invoice. The item "CHINA AIR FORCE MIG FIGHTER PILOT FLIGHT HELMET" is in sale since Sunday, November 22, 2020. This item is in the category "Collectibles\Historical Memorabilia\Astronauts & Space Travel\Astronauts". The seller is "felicia567" and is located in China,shanghai.