LMid Century Modern Ceramic Pottery Vase

very cool vase, pitcher, decanter, call it what you will, it is an exceptional of mid-century-modern pottery. Marked AMY on the bottom and we are not sure which Amy this refers to. Regardless of who fashioned it the black base glaze with red, dark yellow and spots of wispy faded green/yellow throughout that appear to flow up. While overall visually and textually you can see & feel the downward heavy glaze flow. It measures 7 7/8" high and 3 3/8" in dia. at the widest point of the body with