EK1 Screwback: one piece construction, 44.8 mm square, very vaulted, 13 mm reeded tombac nut missing it's large washer, non-magnetic, glossy enamel paint, moderate wear.
I am always
interested in buying whatever you have for sale
I can also sell your items on consignment email
me or call Dan at 262-781-1328 and describe what you have