I've got a helmet exactly the same from a job lot i bought on eBay. I wonder has it come from the same source over time. Or maybe not I'm sure a lot of attempts have been tried by people doing this to see if it works.
Age is no barrier. It's a limitation you put on your mind ~Jackie Joyner-Kersee~
Arf arf arf... That's my other dog imitation. ~Sgt. Oddball.
Experience is a hard teacher because she gives the test first, the lesson afterward.~Vernon Law~