The second group of photos are a D M Lefever "cross bolt 5B" which Keith Kearcher, Bend, OR, restocked to replace very poor quality work done sometime earlier.

lefeverforum.informe.com/cross-bolt-gun-dt515.html

His turn around time is quite good, so you won't be without your gun for many months (or years in some cases of stock makers with huge backlogs of work).