Stunning vintage onyx and travertine Mexican modernist large round coffee table

Gorgeous large mid century modern onyx coffee table, handmade in the 1950s. Pieces of polished green, grey and golden onyx mosaicked together with travertine in an abstract pattern across the surface. Brass edges and sturdy walnut legs. Jaw-dropping piece in excellent vintage condition; very minor wear, see pics. 

Dimensions: 47'' Diameter x 13.5'' H