[f. FOUR a. + PENCE.] A sum of money or coin equal to four pennies. Fourpence-halfpenny: see quots. 1722, 1860.
The Irish shilling of Elizabeth circulated in England under the name and at the value of ninepence; it is inferred that the fourpence-halfpenny was the Irish sixpence of the same period.
1722. De Foe, Col. Jack (1840), 46. But there he was balked, for it was a paper of old thirteenpence-halfpenny pieces, half and quarter pieces, with ninepences, and fourpence-halfpennies, all old crooked money, Scotch and Irish coin.
1852. R. S. Surtees, Sponges Sp. Tour (1893) 319. Well, theres sixpence for you, my good woman, said he . Its nabbut fourpence, observed the woman.
1860. Bartlett, Dictionary of Americanisms, s.v. Federal Currency, The [Spanish] half real is called in New England, fourpence hapenny, or simply fourpence.
1872. O. W. Holmes, Poet Breakf-t., iii. (1885), 75. Give me two fopencehappenies for a ninepence.