Ei Sei Sha was established in 1877 (明治十年) in Himeji by Matsumura Tokimasa (松村ときまさ) who was born in 1838 in Hizen Arita Saga Prefecture.
https://kotobank.jp/word/松村辰昌-1111248
http://nippon-porcelain.com/兵庫県、永世舎の花瓶/
http://www.hijiriya.com/himezi_image2.html