Hi! I just purchased a 1943, Vapalux 300. It appears to be an early one. The gray reflector (top) is just like the E41 tops. There is no pressure tit present. Not sure what the tank is made of. It will be a while before I get it; it's coming from the other side of the pond. Perhaps by the time I get it, I will figure out how to post pictures from my phone to the site!