The glass is perfectly clear. I would guess they were never worn or worn only a few times. The appraisal below says it all about condition and authenticity.Com" to learn about their appraisals. They are the best of the be best! Very few of these goggles had "Makers Marks". The fact that we know they were made at the Manchurian Navel Shipyard makes them very rare indeed!
The item "WW2 Japanese Goggles Army flying corps or Imperial Air Force" is in sale since Monday, July 30, 2018. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Japan\Other Japanese WWII Orig Items". The seller is "per4max" and is located in Henderson, Nevada.
This item can be shipped to United States.