CUSTOM GRADO RS-1e drivers & DARK EBONY WOOD

Does anyone has some info about a GRADO RS-1e DRIVERS & DARK EBONY WOOD? Is it worth over 500 euro?

CUSTOM GRADO RS-1e drivers & DARK EBONY WOOD

• DARK EBONY & RS-1E DRIVERS-- Dark Ebony Cups-- Original RS-1e drivers (from 2018)-- UHPC Grado cable, 4 pairs. +/- 1,5 metres-- WireWorld Silver & Carbon-fiber jack 3,5 mm TRS-- Shipido Gimbals and RodBlocks