Traffic at fairs and markets; any buying and selling. Nunquam crescit ex postfacto prae- teriti delicti sestimatio. The character of a past offense is never aggravated by a subsequent act or matter. Dig. 50, 17, 139. 1; Bac. Max. p. 38, reg. 8; Broom, Max. 42. Nunquam decurritnr ad extraordina- rium sed ubi deficit ordinarium. We are never to resort to what is extraordinary, but [until] what is ordinary fails. 4 Inst 84. Nunquam fictio sine lege. There is no Action without law.