The board is constructed of two constrasting hardwoods with an oak surround and finished with a felt base.
Construction method was to rip strips of each wood and glue up. Then cross cut and reglue with each alternate strip reversed to create the squares. Then trim and apply felt to the base.
The pieces are nuts and bolts, welded together and spray painted with felt applied to the base of each. Due to the current cost of fittings, these are ridiculously expensive, but make for a stunning set of unique pieces.