Here is my little 1907 Combo. The permit for this rifle took a long time some years ago as they probably suspected that it was somehting else. Rheinmetall is more known those days for MG3 Machineguns, than for old rifles...........
This outfit in Houston has had two for sale over the past several years. One apparently sold. I think at one time they were both for sale about $1700. As you can see the price on the other one has gone up.
I don't really see these for sale enough to get a good impression of their true market value. Just considering the rarity, I would guess if you could get it for $1000 you'd be doing pretty good. That's just my guess.
“War is an ill thing, as I surely know. But 'twould be an ill world for weaponless dreamers if evil men were not now and then slain.” ― Rudyard Kipling
...the right of citizens to bear arms is just one more guarantee against arbitrary government, one more safeguard against the tyranny which now appears remote in America, but which historically has always proved to be possible. - Hubert H. Humphrey, "Gun" magazine, Feb. '60