1 Mark Spar- und Darlehnskasse

Bad Driburg's Spar- und Darlehnskasse was a small cooperative savings and loan institution — exactly the kind of local body that issued emergency Notgeld during Germany's acute small-change crisis of 1921, when coin hoarding and inflation had stripped low-denomination currency from everyday commerce. Louis Koch of Halberstadt was a regional printer who supplied Notgeld to several such institutions across central Germany, typically working from simple typeset formats rather than engraved designs.

These cooperative-issued pieces were often printed in short runs tied to immediate local need and redeemed quickly, which makes surviving examples less common than the mass-produced municipal Notgeld of the same period.