The Department of General Services shall, for the use of the Great Seal of the State of California, charge the following royalties:
(a) For each medallion in the 1 troy ounce size, four dollars ($4).
(b) For each medallion in the 0.5 troy ounce size, two dollars ($2).
(c) For each medallion in the 0.25 troy ounce size, one dollar ($1).
(d) For each medallion in the 0.1 troy ounce size, fifty cents ($0.50).