Plutons. It is 100% correct.
here is the definition of a pluton to prove my point:
<span>In geology, a pluton is a body of intrusive igneous rock, called a plutonic rock. It is crystallized from magma slowly cooling below the surface of the Earth. </span>
D. Darryl gives Mike a collectible football jersey.
Commodity money is a form of currency that's value exists within and of itself. A commodity is used to trade for the sum of money at which it has perceived value. If a collectible football jersey has been appraised at $250, then as a commodity, the jersey may be used to trade for goods or services of the same value.