Your Encyclopedia has been very helpful, This Post has 3 Pictures because there are 2 Sets of Marks, the 4 Stamps in the Basin of the Compact and then inscribed on the Rim is 'W.Kemp & Son,Ltd,Bristol'. The Makers Stamp is 2 W.'s, over a 'K'., over '&.S'. Geometric Deco Design on front and back. Thank you for this Forum. Brett