A laurel wreath with an M in the center encircled by "Hand-Painted Nippon" clearly identified the vases as Nippon porcelain. "Nippon" is the Japanese equivalent for the English word "Japan." ...

The Japanese chose their word Nippon for the country of origin mark. Then in 1921 our government asked the word to be changed to Japan. So, your vase was made between 1900 and 1920.

Yea, I'm going to say it is. One of the big reveals this week at Star Wars Celebration, along with the new trailer for The Force Awakens, is a brand new R2-D2-painted Boeing 787 commercial airplane.