The Family Herald, Jun. 8, 1844, vol. 2, p. 75.
http://babel.hathitrust.org/cgi/pt?id=umn.319510007320771



A fund-raising proposal for the national testimonial to Rowland Hill -- one penny added to the postage, for a period of one week.

Is this the beginning of semi-postal stamps?  A similar concept had been noted in The Athenæum, Feb. 17, 1844, but in a way that separates the transaction: "if only the value of a single postage stamp be contributed by every person who has experienced the advantage" of penny postage.