"You have never told us about the toby jug," put in Frances.
His heart thumped as he pulled at the bell, and unconsciously he gripped the toby jug hard with his other hand.
It seems to suggest Dickens; doesn't he somewhere mention a toby jug?
familiar form of masc. proper name Tobias, in various colloquial usages, e.g. "jug" (1840), "drinking mug in the form of a stout old man;" as a type of collar (1882) it refers to that worn by the dog Toby in the 19c. Punch and Judy shows. Also in Toby show (by 1942, American English) "comedy act based on the stock character of a boisterous, blundering yokel."