My first big-bore pistol was a Herters (from Waseca, Minnesota, through the mail) in .44 Magnum. As already noted, it was made by Sauer and was basically a knock-off of the Colt. The grip was about 1/2" longer than the Colt or Ruger, which Herters was very proud of. The hammer was brittle and snapped half-cock notch off, but they provided me with a new one.
The original Herters burned down in the '70s. They came back with a much smaller catalog/selection in the late '80s, early '90s. Cabelas bought them out a couple of years ago.
If you can get a copy of their old, circa 1965 catalog, it is priceless. Everything was described as "the world's finest..." They did provide pretty good equipment at a decent price. They sold replacement stocks which were dandy. I understand that the fire was in the stock making section.
Probably more than you wanted to know. Adios!
-WH-