Bag by Valentino by Mario Valentino, New bag, new outlook, Twin handles, Magnetic-clasp closure, Zip-top compartment, Branded design. 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.