[a. F. brassage, f. brasser to stir together melted metals.] A mint-charge levied to cover the expense of coining money.
1806. Edin. Rev., VII. 275. Not content with levying … a brassage.
1884. Times, 20 March, 11/5. They might take brassage or ‘mint charge’ to mean the equivalent of the cost of coining.
