Here are 2 vintage demitasse sets by Interpace for Shenango China made for the Fairmont Hotel. There are a Fairmont Hotels worldwide, including one in Dallas.
The gold rim and design are still in great shape.
The bottom of the cups and saucers have : Shenango China USA by Interpace. Each piece also has some letters, numbers and dots. These are from the mid 1970's
One cup is in excellent condition. The other cup has very tight cracks on one side of the cup. Please see the pictures. The saucers have no damage. There is some utility wear which should be expected. Each cup's diameter is almost 2-1/2 inches, not counting the handle and stands about 2-1/2 inches tall. The saucers have a diameter of 4-1/2 inches.