Wow. I missed this.
There's a great source that you can use to learn more about your guns and maybe get at least ballpark vaues, called Flayderman's Guide to Antique Firearms.
Get it on the web, or get it from a well-stocked local book store.
"The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza
Baby Jesus cries when the fat redneck doesn't have military-grade firepower.