ENSIGN SELFIX 12 20

Ensign Selfix is a series of 120 film vertical folding cameras made by Houghton's in England, under their Ensign Brand.
The Selfix 12 20 shown here is a later model circa 1954 /5 with a Rosstar 75mm f/4.5 lens in an Epsilon four-speed shutter, this later version coming with a viewfinder mounted in a plastic housing.