I don't know the name, but what I can tell you is that you don't want to waste your time or money on it. IIRC Roxy boards of that era were made in China, whereas production of later ones were brought back to the US, and feature the current Mervin tech that is also used in their Lib/Gnu boards.
15 LibTech TRS HP . 15 NS Snowtrooper . 13 Salomon Pow Snake
15 Now Drive . 14 Now Drive
14 Flow Hylite