The Vertical Billfold with Zip in Navy Blue Evoluzione leather is conveniently fitted with a spacious zipped compartment and an array of slots to keep your cards organized. This model is handcrafted from Evoluzione calfskin leather, featuring clean lines and a classic yet unique design. Blending traditional craftsmanship and innovation, our resilient Evoluzione calfskin leather was first introduced by Stefano Serapian in 1965.