Possibly vintage LusterWare.
Includes setting for 4 (4 cups, 4 saucers, 3 plates*, one teapot with lid, one creamer, one sugar bowl with lid).
Cups measure 1 3/4″ tall x 2 1/4″ diameter. Teapot is 4 1/4″ tall x 6″ long (handle to spout).
*set is missing one plate
Sold by Treasure Chest Collectibles