If you put in a divider, you can keep cards and bills separately.
All you have to do is insert the leather for the partition, tack it with the gussets and fasten the left and right edges with rivets or stitching.
Leather parts x 10
5.5 cm ×9.5 cm
Thickness: approx 1.0 mm
Black / Brown / Chocolate / Ocher / Red / Blue / Navy / Yellow / Light green