These five sets are all marked with a gold and black "Made in Korea" sticker. This is the same sticker frequently seen on Josef Original shakers, bring up the possibility that these were made by the same or related company.
The shakers themselves are small standing only 2.25'' in height with 3 and 1 pour holes as you can see in the photographs. They were probably made in the 1980s. This series was first documented by Irene Thornburg in her book entitled The Big Book of Salt & Pepper Shaker Series on page 43.