I also have this one with "WL" under the helmet, I've no idea what it stands for. The metal is also of a higher quality, possibly nickle/silver so maybe for an instructor?

WL a.jpg (56.52 KB, 65 downloads)
WL b.jpg (41.57 KB, 66 downloads)

"Much that once was, is lost, for none now live who remember it"

Galadriel, LotR.