The American Modern pattern was made by The Steubenville Pottery Company from 1939-1959. It was designed by Russel Wright. This shaker is a light heather gray. It is 2" tall with a 1-7/8" diameter. It has 5 holes that are small. This was probably a pepper shaker. There is no plug for the bottom.
This shaker is in nice condition. There are no chips or cracks.