Graf Von Faber Castell Classic EBONY WOOD CollectionThe Classic Ebony Wood Collection features fluted black wood accented with platinum The fluting the filigree groove structure is the defining design element of the Classic line. The writing instruments in the series are available in solid 925 sterling silver, in a completely platinum plated finish or with a finely fluted barrel made of ebony, pernambuco, grenadilla or macassar wood. Thanks to their long growth phase, the noble woods are extremely hard