An American, David Haviland, was an importer of French and English porcelains during the early to mid-1800's. In 1849 he moved his family to Limoges, France, to begin his own porcelain manufacturing and decorating factory and as a result, Haviland China, was born. Upon his death in 1879, his two sons split the company. Charles formed Haviland & Co., while Theodore formed Theodore Haviland. These items are from the Charles Haviland Company.
The pattern is Ranson with gold trim, blank #1. This as well as the plain white Ranson was the basis for numerous floral patterns. The company mark is "Haviland France: in green, circa 1894-1931.
The saucers measure 5 3/8" across; the cups measure 3 3/8" across, 2" in depth and have gold daub handles. I have other items in this pattern in my store.