VVValli ValbonesiBooks and models by this designerModels 1Books 1Books (1)All books that include models by this designer.Envelope and Letter Folding - BOS Booklet 25aJohn Cunliffe, 1991Models: 34BOS BookletsModels (1)All models by this designer.Valli envelope (mark 3)Envelope and Letter Folding - BOS Booklet 25a · p. 13