It is most likely New England Glass Co. I do know that it has a smoothed pontil and what looks to be an original period stopper. Gorgeous piece of glass, thanks for looking! Please see pictures and ask any questions you may have, I will gladly send more pics.Thank you for taking the time to look. This item is in the category "Pottery & Glass\Decorative Cookware, Dinnerware & Serveware\Cruets". The seller is "lijo_8842" and is located in this country: US. This item can be shipped to United States.