Two early 20th century combination pocket knives with corkscrews

Two early 20th century combination pocket knives with corkscrews, with a mother of pearl scales, marked 'Slater Bros, Eyre St., Sheffield', with corkscrew, two blades and two picks, and a smaller knife with seven tools including corkscrew and button hook, marked 'Long & Co, Long Hawkesly, Sheffield.' (2)