Liber de scacchis (translation into Venetian dialect).

The gardes and kepars of of sic cytees ben signefied by the vii.pawn. holdynge in his right hande grete keyes and in his lifte hande a potte…and on his gurdell a purse open… which signefyed them that reseyve the costumes, tolles, scawage.peages and duetes of the cytees and townes.