Original Bobbin Cover & Needle Plate Set From Pfaff Model 31 All parts was removed from sewing machine Pfaff 31.Serial number: 1285704 Good vintage condition with traces of time and use. All items are sold in the "as is" condition. Please look at all the photos carefully - they are part of the description. Please see the section on sewing machines, there are other parts from both this and other sewing machines.