eBay has many Mauer locks for sale. The Red Line is pretty nice looking.
If you can find one, the LOB TUR1 is a 12 pin lock with a loooong key, too. Polish lock. Here is a picture of one next to other keys. At the far left is a standard 5 pin Yale. The TUR1 is at the far right.

Gordon
Just when you finally think you have learned it all, that is when you learn that you don't know anything yet.