Bag by Valentino by Mario Valentino, For those must-carry essentials, Chain strap, Branded design, Flap-top closure, Interior zip pocket. Influenced by the same impeccable craftsmanship that founder Mario Valentino pioneered in 1952, Italian label Valentino's latest line of luxury handbags combines tradition with cutting-edge design. The result is a collection of totes and quilted cross-body bags, all with the brands signature finishes.