It seems many these base-grade moderate condition Sauers sell in the $750 range. Top condition will go for over $1K, particularly the subgauges.

Whether justified or not, it seems prices remain fairly reasonable considering the quality perhaps because most wear raised cheekpieces (which aren't fashionable but can do wonders for fit) on plain wood, are often short chambered (<2.75 inch) and tightly choked, and the horn triggerguards and butts are prone to damage and not so easy to repair.