1815. London: Dec. 11, 1815.
4to, 1p., written in ink. Addressee illegible but possibly J.O. Downey?
§ Dibdin apologises for the late delivery of "your copy of the 4th volume", probably the Bibliotheca Spenceriana. He ends (typically) with a sales pitch: "I enclose a prospectus of my new work which may at least amuse you. Only 200 copies were printed of this prospectus." Item #123822