Sentence:  "Myles:" "Indeed your Honour may safely say so : Iwas ploughing away ... when I bethought how I forgot to tell little Jem, when he'd be buying my pen'orth of snuff, to be sure to get it in two separate ha'porths, the way he'd have the two <WSD>tillies</WSD>. So what could Ido but run home, to ... go myself for the snuff, and be sure to get my <WSD>tillies</WSD>. 
Meaning of the word marked with <WSD> tags:  An extra product given to a customer at no additional charge; a lagniappe.