This is from an attractive set of 20, actually published in c.1924 by Oxo Ltd. Not very politically correct these days though.
Catalog price (UK) is around £60 for the set (£3 per card) in very good/excellent condition.
(i) Old card hobby history, particularly vintage publications - magazines, price lists, books, hobby correspondence.
(ii) And any cards pre-1885, particularly Thos. H. Hall.