adelphian.y.a.: 1. Depends on the name, I guess. If it's just a name then the value would be decreased; if it's somebody famous or can be tied to some place or event of significance, that's another thing entirely. 2. and 3. Depends entirely on your state laws, and unless your state happens to be Massachusetts I can't help.
WE0H: Serial numbers ran from D90001 in 1969 to D330000 in 1970. You didn't ask, but estimated value = priceless.