"The civility which money will purchase, is rarely extended to those who have none."
Our Parish, Ch. 5 : The Broker’s Man
In August 1834.
Charles Dickens first uses the pen name Boz, in the second installment of "The Boarding-House", one of the Sketches by Boz, originally published in the Monthly Magazine (London).
https://en.wikipedia.org/wiki/Sketches_by_Boz
Sketches by Boz at PG:
https://www.gutenberg.org/ebooks/882