Mid century modern ancient Roman marble

From the estate of a local teacher about 6 years ago I guess she went to Italy to visit and then she want across the water to view the ruins of Hadrian''s Villa ..... ancient Romes openly gay ruler .....and visited the ruins there and must have taken some scraps home with her which she made into this cutting board her self. SHe signed the back of it so WE know it was hand made in 1963! Approx. 11-14" long. Preboxed ...ready to ship. 24 years experience. .