I have two of these that I bought in Ukraine, it's pnp and it reads 54 hfe.
Does anyone knows what it is?
(http://img541.imageshack.us/img541/683/img20130530225148.jpg) (http://imageshack.us/photo/my-images/541/img20130530225148.jpg/)
It appears to say п411(п stands for P in russian, and that's what I know)