What s on my bench Carving a Siddham script mantra on a tsuba

100% guaranty genuine & authentic antique Edo period Tsuba. 19th c. superb katana tsuba tomoe mon's + signed nbthk japanese sword kozuka sizes 3-1/6 x 3+ or 7.9 cm x 7.6 cm. Motif design Tomoe Family Mon's. The seller is ericowazamono and is located in New York, New York. With a fine & very elegant well balanced.