I think your friend's memory of the model designation may be flawed. The Royal was a nice gun, but the Model 60 was in a league by itself, a fine example of Sauer's work. If it is a highly engraved Sauer, you might want to jump on it at a fairly low price, then figure out which model you have. For what it's worth, all the Royals I have seen were scalloped back actions, not straight back. That's not to say there could not have been straight back Royals, I just don't know. Jeff is the real expert, maybe he'll be along.