4711 Acqua Colonia Saffron & Iris Perfume by Maurer & Wirtz, Part of a botanical series of scents by acqua di parma, 4711 acqua colonia saffron & iris is a deliciously soothing floral fragrance that’s perfect for spring and autumn daytime wear. The scent opens with shimmering tones of powdery yet delicately earthy iris and hints of spice. Warm saffron and lightest musk provide a smooth, supple backdrop that beautifully softens and grounds the fragrance, leaving a trail of serene tranquility.