The Rockdale Union Stoneware mug from Cambridge, WI USA is a vintage collectible piece with a unique salt glaze finish. Hand painted with a bird pattern in gray and blue colors, this round stoneware mug has a capacity of 1 cup and features handles for easy filling. Made in the USA in the 1980s, this art pottery piece is refrigerator safe and perfect for adding a decorative touch to your kitchen or dining collection. Please hand wash only to preserve its original charm and quality.