Md. Code, Tax - General § 11–214.1

(a) In this section:

(1) “precious metal bullion or coins” means:

(i) any precious metal that has gone through a refining process and is in a state or condition such that its value depends on its precious metal content and not on its form; or

(ii) except as provided in paragraph (2) of this subsection, monetized bullion, coins, or other forms of money that:

1. are manufactured from precious metals; and

2. are or have in the past been used as a medium of exchange under the laws of the State, the United States, or a foreign nation; and

(2) “precious metal bullion or coins” does not include jewelry or a work of art made of precious metal bullion or coins.

(b) The sales and use tax does not apply to a sale of precious metal bullion or coins if:

(1) the sale price is greater than $1,000; and

(2) the sale occurs at the Baltimore Convention Center.