Entry from OED Online

[< MINT v.² + -ED¹.] 

    1. Coined, made into coins or money; in the form of coins. Also in extended use.
  Freq. with modifying word. See also NEW-MINTED a.
 
  1598 J. MARSTON Scourge of Villanie To Iudiciall Perusers, sig. B4, Some of his new-minted Epithets, (as Reall, Intrinsecate, Delphicke). 1637 N. WHITING Le Hore di Recreatione 4 He lou'd his lands, and hugd his minted treasure. 1640 Two Lancs. Lovers (Halliw.) 60 Pretending an indisposition of health, or some other minted excuse. a1678 A. MARVELL Dialogue Soul & Pleasure 58 Wheresoe're thy foot shall go The minted gold shall lie. 1820 C. R. MATURIN Melmoth IV. xxviii. 253 The sterling gold of a heart-minted look. 1852 G. P. R. JAMES Pequinillo II. 55 A hundred good and well-minted sequins. 1874 J. G. HOLLAND Mistress of Manse 73 The minted silver that his largess scattered wide. 1932 W. FAULKNER Light in August xi. 232 Two leather sacks of gold dust and minted coins and crude jewels thrown under the seat like a pair of old shoes. 1973 N.Y. Law Jrnl. 4 Sept. 5/2 The newly minted suburban and exurban millionaires in Nassau and western Suffolk. 1996 SkyNews Mar.-Apr. 30/2 Hubble's ultra-close-ups of the Orion Nebula reveal both freshly minted stars and dust-shrouded ‘protostars’.
 

    2. Brit. colloq. Having a great deal of money; wealthy, rich.
 
  1995 Sunday Mail (Electronic ed.) 8 Jan., The bulging bankroll of minted former steel tycoon Jack Walker. 1998 Daily Record (Glasgow) (Electronic ed.) 16 Jan., More and more minted motorists are now giving a swift U-turn away from traditional German choices such as BMW and Mercedes. 2000 Even. News (Electronic ed.) 13 Nov., Getting back to our youthful, minted London lawyers, will money bring them happiness?