Iron sukashi daisho tsuba set. Made by Choshu Hagi School. This type of design is often attributed to Ko-Hagi School. I will post one example of such attribution by NBTHK at the end of photo section.
This particular set has NBTHK Tokubetsu Kichio origami. However this type of certification (Kichio and Tokubetsu Kichio) are no longer consider a valid documents by NBTHK.
Made in edo period.
1: 70 mm x 69 mm x 5 mm
2: 67 mm x 65 mm x 4,5 mm