HOMCO cocker spaniel, Dog figurine set white and black vintage #1427

cocker spaniel, Dog figurine set white and black vintage HOMCO #1427 these are part of a collection I’ve had for 25+ years. A lot of my items in my closet are Japan occupied Japan, Germany from the 1950s to the 1980s and I cannot always determine what the material is, but I do believe that these are actually ceramic the only option pot gives is the category of ceramic