"Satsuma's are always signed. If not on the bottom, their mark,or logo, a gold circle with a gold cross inside, is hidden inside the design near the top. Look CLOSELY. Older Satsumas used blue, yellow or red colored cross in circle marks. Colors…"
"Actually you have 2 pieces joined together. The lower piece is a jardiniere and the upper, a vase. Japan and Nippon are the same place. Your vase is from the Nippon era. There is more info in the link.
Link says it's 12 inches tall,…"