EXO 30:23

23 Take to thee sweet smelling spiceries, of the first and chosen myrrh, (equal to the weight of) five hundred shekels; and of canel the half (or and half as much canel), that is, (the weight of) two hundred and fifty shekels; [[and]] in like manner of calamus, that is, a sweet smelling tree, small and full of knots, (the weight of) two hundred and fifty shekels;