From Russel Wright, one of the foremost designers of the the 20th century is this cup and saucer from his American Modern line in seafoam green, manufactured by Steubenville. American Modern by Steubenville Pottery, remains the best selling dinnerware in the history of pottery sales. Its breakthrough design and beautiful glazes, appealed to consumers so much that they often stood in long lines at stores to purchase the items. The dinnerware was produced from 1939-1959. Steubenville.