Here's a nice 'Mousie':

It sold at auction in 2010, price realized was not disclosed. Description from icollector.com:
Mauser Oberndorf, 60 model, bolt action rifle, 3-barrel set with European style claw mounts, cased with accessories and two fitted scopes. Serial #DBP1205423. The rifle shows “7 SE v. Hofe” caliber barrel measuring 26-3/8” in length. One .243 Winchester barrel measuring 24”, and one 5.6x57 caliber barrel measuring 24-1/4”. Included is a Carl Zeiss 6x42 scope and a Carl Zeiss 1.5x6 power scope also fitted for these mounts. The rifle shows double set triggers, classic European styling, and is in fine to excellent condition with leather carrying case. The barrels and mounts were custom fitted for this rifle by return to factory. The 660 action was one of Mauser’s finest products. Est: $2,500 - $5,000