In March, 2008, it was announced that eight out of nine Fuhonsen coins which were packed in a flattened bottle which was discovered as ground-breaking equipment from Fujiwara Palace Site in November, 2007, had different calligraphic style from the traditional one.
2008年3月、2007年11月に藤原宮跡から地鎮具として出土した平瓶（ひらか）の中に詰められていた富本銭9枚のうち8枚が従来のものと異なる書体であったと発表した。