Stein, Solid Vaseline Opalescent Glass, 6" x 5.75", Crested Waves Pattern, One Of A Kind According To Carwile's Book On Opalescent Glass, Highly Reactive Under Black Light, Collection Of Frank & Melissa Keathley, Top Shelf Antiques Of Texas, The Keathley's Kept The Best Antiques They Found For Their Private Collection - Now Selling At Public Auction. UPDATED 3-27-24: Added Pattern Name And Book Reference.