4 Vintage Studio Art Pottery Coffee Mugs Signed

For your consideration are four vintage Studio Art pottery coffee mugs with a drip glaze, circa 1980's. All four mugs in very good condition with no chips, no cracks and no repairs. They have a soft green with a tinge of blue in a matte drip glaze finish and are stamped on the bottom side of the handle with the artist's insignia. They measure 4 1/4"" high by 3 1/2" across the top. Please email with any questions.