subs. (old).1. A sixpence. In U.S.A., a five-cent. piece. [Cf., DEANER (q.v.); now corrupted into TANNER (q.v.).] For synonyms, see BENDER.
1857. SNOWDEN, Magistrates Assistant, 3rd ed., p. 444. Sixpence, DOWNER, also sprat.
1861. WHYTE-MELVILLE, Good for Nothing, ch. vi. Its not the first DOWNER Ive had by a good many; and if it was not for leaving you I shouldnt care so much about it!
1885. Household Words, 20 June, p. 155. Two more names for a sixpence are a DOWNER and a tanner,
1819. T. MOORE, Tom Cribs Memorial to Congress, p. 25. In the Twelfth and Last Round Sandy fetchd him a DOWNER.