Difficult to say, little resolution, cant read the digits, the lens looks like a typical FL- Design but very different compared to the current 200/2 VRII - so does the 400/2,8 FL compared to its precedessor. The 300/2,8 appear not to be FL but the current version.
The fourth in the row from the right side is NOT the 500/4 FL (uodate: my assumption is wrong)
i am not sure with the 200-400/4 either