Red and white mottled phenol formaldehyde (Bakelite) egg slicer, by Hygene, England, 1930-1949. Stamped 'U.S.A. CANADIAN AND OTHER PATENTS PENDING' and 'EGG Hygene SLICER'. Hygene in cursive form. Red and white mottled phenol formaldehyde (Bakelite) egg slicer 1930-1949