Yeah, I pretty much am using the MB 163 as a daily pen. Perhaps it might be this one refill that came with the pen. However, after looking at some reviews on Amazon and what is alleged to be an authentic pen, the refills do not last long and it is a typical thing from Mont Bla...
You want to identify a Mont Blanc rollerball? Well, look at the top - if it has a white glob of plastic that looks like a birdsplat, then you know you've got a Mont Blanc pen! Oh, yeah, and if it cost $19.95, it's not! See, it's simple - now you are an FP geek like ...