To the best of my knowledge...
Outside of custom John Martz work that converted two 9mm Lugers into one .45 ACP custom gun, there have been three post war producers of .45 Caliber Lugers...
The first type is by the Mauserwerke in Oberndorf... but it doesn't look much like the original 1907 test guns... It looks like a 9mm Luger on steroids... and I think leans toward Swiss Luger styling...I believe only one gun was made in prototype and it was last known to be in the private collection of Rolf Gminder in Europe...
Second, is Mike Krause... but the price is at least FIVE TIMES the $3000 mentioned earlier in this message thread... Here is a photo of Mike Krause's excellent work:
and the last is a Gunsmith in Europe... I don't have the info about who or how much, but they were much like the Krause guns in that they are custom made and with a high price...
These are photos from a European magazine article and unfortuately this is all the information I have on this series of pistols... If anyone has any more, I would appreciate knowing more details.
