Selling here on the ODT probably $400......if you put it at auction like on GB it might bring maybe almost double that if a couple people who collect fight for it.
The letter you posted does not specify a situation after the 100% completion of the receiver but rather as it stays an 80% receiver. I believe the manufacturing of a firearm for any intent other than personal use must be done by a licensed entity through the BATF. This if the law for the...
I have owned a couple but mine were not the target models with adjustable sights. They just had night sights. They came in wooden SA boxes. Mine was like this one.
http://www.gunlistings.org/ohio-gun-classifieds/columbus/pistols/44496/springfield_armory_black_stainless_1911
Now that I have my stainless model, I may sell my blue one which is a pre cross bolt safety model in awesome condition. It wouldn't be a "deal" though.