Vintage Red Wing Union Stoneware 3 Gallon Crock Large 4 Wing. The item "Vintage Red Wing Union Stoneware 3 Gallon Crock Large 4 Wing" is in sale since Wednesday, December 11, 2019. This item is in the category "Antiques\Decorative Arts\Ceramics & Porcelain\Crocks". The seller is "jrw460" and is located in Winton, Minnesota. This item can be shipped to United States.