Esterhazy (MER) Masterpiece Espresso Cup and Saucer
This decor has been designed exclusively for the Hungarian noble family: The Esterhazy. in the 1890’s. Since the 17th century, they were among the great landowner magnates of the Kingdom of Hungary during the time it was part of the Habsburg Empire and later Austria-Hungary. During the history of the Habsburg empire, the Esterházys were consistently loyal to the Habsburg rulers.
More info about the family: https://en.wikipedia.org/wiki/Esterh%C3%A1zy