Walter Steiger slingback heels light brown/taupe

Walter Steiger slingback heels in extremely good condition. Fabric nylon-like material uppers in light brown taupe-ish color. Great neutral color!! Sling strap with elastic at back of heel. Left shoe has black mark inside as pictured. Heel height is approximately 3.5 inches- also photographed. Previously owned but almost no signs of wear as indicated on the newness on bottoms. 36.5=US sz 6.5.