Sentence:  The pocket-book was a late present from Mrs Western .... A prudent person ... would not have offered more than a shilling, or perhaps sixpence, for it; nay, some perhaps would have given nothing, and left the fellow to his action of <WSD>trover</WSD>, which some learned serjeants may doubt whether he could, under these circumstances, have maintained. 
Meaning of the word marked with <WSD> tags:  A legal action brought to recover such property by its original owner.