I found out some valuable information. This teapot set is
Italian Majolica, in the style of ancient Greek work.

From Google books: “Ceramic literature: an analytical index published 1910

“many a choice work of the Italian majolist was inscribed with a similar dedication which would transmit to posterity the sweet name of one “Diva Julia” or “Laura Bella,” a beloved beauty to whom the dish or the vase had been presented by some faithful admirer, but whom the painter had centainly never seen in his life.”