Yes, I did catch that T/C prop. I don't know the circumstance and it could be just coincidental, but it almost looked to me like the seller in the OP of this thread, either came upon or purchased a "lot" of guns- estate, collection or as an investment to resell- and is trying to turn them for some quick money in this age of gun buyng frenzy... but has no real knowledge of guns or values.
As to the Gunsinternational rifle- amazing how "slick" some sellers try to be. They do it by insinuation and/or omission. That Guns Intl listed rifle is nice for certain, but the seller is still trying to "hint" that it is an early gun because of the low serial number. Hah! It has a custom shop set aside serial number. A reliable Winchester source reports that in about 1990 Winchester set aside Serial range from G1 to G10000 to be used for custom shop rifles. The Guns Intl rifle is serialed G1772 so it is within the custom shop range and is a fairly late gun. Certainly a couple of years to a few years post 1990. I don't know the last G prefixed model 70 custom shop serial produced in the New Haven prior to the plant closing in 2005-6. So buyer beware! "You pays you money and you takes you chances" And sometimes it's simply the price of education.
Confusion seems to always follow Win 70s around because sometime after the 1968-69 G prefix addition, the factory had to reset and use some lower numbers where the numeric sequence was out of kilter with the calendar sequence. You can have a G prefix model 70 serialed rifle with a higher number that was actually built before a lower G prefixed serialed rifle. Much of the information/records for this period of production have been lost... so some at least has to be pieced together from memories of former Winchester empoyees.