Brass is an alloy of copper and zinc.
Brass was first known to exist in about 500 BC.
Also have a look at some brass
PUT and TAKE GAMBLING TOPS
 A brass die with numbers (1-5,2-6,3-4), 13 mm.
[0379 x2] A pair of small brass dice, 11 mm.
[0399 x2] A pair of brass promotional dice for Theakston, 15 mm.
 A small dutch brass dice spinner with inscription Miss Blanche, 30 mm.
 A brass promotional die for Krauthammer, 15 mm.
[0636 x2] A rare pair of brass Spanish poker dice, 19 mm.
 A large brass die from casino "Palace St Moritz", 30 mm.
[0638 x2] A set of brass put and take dice, 13 mm.
 A brass promotional die for HST, 12 mm.
[0640 x2] A set of brass dice with golden look, 25 and 16 mm.
 An old brass die, 15 mm.
 A modern brass die, 16 mm.
[0673 x2] Pair of 4-sided solid brass dice sticks, with 0, 1, 2, and 3 pips, 55x6 mm