Translate Mark under Japanese satsuma vase


May I know the meaning of this mark which is found under a vase. [![enter
image description
here](https://i.stack.imgur.com/ycumZ.jpg)](https://i.stack.imgur.com/ycumZ.jpg)




The mark which has a plus sign in a circle is a family crest of clan of
Shimazu. About a family crest, it is explained
[here](https://en.wikipedia.org/wiki/Mon_\(emblem\)), and about the clan of
Shimazu it is explained [here](https://en.wikipedia.org/wiki/Shimazu_clan).

薩摩｛さつま｝ was located in the southernmost part of Japan as a territory dominated
by clan of Shimazu in feudal age of Japan.

