Signed Steuben Clear Glass Mushroom, Designed by Peter Yenawine, circa 1971 Consign Now Dept20th Century Design, Ceramics & Glass, Decorative ArtsSizeHeight 4 in. Signed Steuben Clear Glass Mushroom, Designed by Peter Yenawine, circa 1971 Please note that this auction has ended. Click here for an overview of this auction.