It is placed above any signatures or stamps .
Many pieces of Satsuma ware -- regardless of age or authenticity -- feature the kamon ( family crest ) of Satsuma 's ruling Shimazu clan : a red cross within a red circle .
Satsuma is placed above any signatures or stamps .
Many pieces of Satsuma ware -- regardless of age or authenticity -- feature the kamon ( family crest ) of Satsuma 's ruling Shimazu clan : a red cross within a red circle .