Does anyone know what this mark is?

[utka315]

New poster here. Bought a vase a while back and I was curious to see if anyone knows what this mark is at the bottom. Not very familiar with Chinese porcelain.
Thanks in advance.

[Stan]

Made by Fukagawa, The mountain was their trademark, this is Japanese.

[utka315]

Thank you very much! I found my vase on internet, not expansive actually, will keep it.