2 Antique Owens Iris Flower Pottery Lamp Base Vases. For sale we have two outstanding antique pottery lamp base vases that are both in excellent condition with no chips or cracks!Neither of them are signed with a maker's mark, but they are made by Owens pottery with their standard glaze. Very similar in style to Rookwood and Weller standard glaze pottery. Notice that they both have holes in the bottom as they were created to be lamps. The larger vase measures 10.75" inches tall, and the other one measures 10.5" inches tall. Very high quality and rare vases in spectacular condition! If you have any questions, don't hesitate to ask, thanks!