No, I'm not. I don't know much about coins at all, with one exception... I know silver and gold coins are actually valuable due to their metal content and clad coins are not.
I don't think you have to be a coin collector to be a metal detectorist at all. I mean, yes, I appreciate these old coins for their precious metals and great old designs, but I don't put them in plastic sleeves or make a big deal of not letting them touch anything else. To me, they are dug coins, ones I actually dug, and something I'll probably pass down to my nephew when I croak.
And coins are only one small percentage of what we find anyway. Let's face it though, except precious metals and maybe, maybe the very rare other find, most of what we dig up isn't really worth $$. It's the fun of the hunt, at least for me, that keeps me in this hobby, oh, and the incidental exercise.