Daisho tsuba set signed "Choshu Hagi Ju Inoue Kiyotaka" with Tokubetsu Hozon Tosogu. Kiyotaka was a first generation of Choshu Inoue family. He died in 1810 in an unknown age. However we know he was employed in 1780, he was probably active even before that.
Daisho set made of iron with carved dragons.