See tape measure in photos. The post stem had broken out of the top of the base so I rethreaded base a little deeper and it screws in fine. The item "Vintage Do Not Enter One Way Free Standing Lollipop Sign ratrod gas oil garage" is in sale since Friday, May 10, 2019.This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs". The seller is "slatebeltsalvagetony" and is located in Bangor, Pennsylvania. This item can be shipped to United States.