Let the stem soak in a hydrogen peroxide/everclear concoction overnight, reamed the bowl out, scrubbed the stummel (inside and out). Used about 20 q-tips I'd say. It's much improved and you can actually make out the grain on the rim now.
I've never owned or smoked any kind of pot..but the chamber is easily the widest of any pipes I own. It's also VERY light at 1.3 ounces. I'd guess it's an 1/8 bent..clenches comfortably regardless.
My tab doesn't take the best pics but here's a few anyway.