▁comm od ity ▁value ▁is ▁ 1 0 0 ▁dollars ; ▁the ▁far mer ▁is ▁assumed ▁to ▁put ▁his ▁land ▁to ▁best ▁use . ▁The ▁price ▁of ▁a ▁comm od ity ▁fl uct u ates ▁around ▁its ▁comm od ity ▁value . ▁ ▁C urrency ▁ ▁A ▁comm od ity ▁value ▁expressed ▁as ▁a ▁price ▁is ▁determined ▁by ▁historical , ▁social ▁and ▁cultural ▁aspects ▁of ▁production ▁and ▁distribution . ▁ ▁Karl ▁Marx ▁described ▁price ▁as ▁the ▁money - name ▁for ▁the ▁labour ▁real ised ▁in ▁a ▁comm od ity . ▁ ▁A ▁comm od ity ▁value ▁is ▁dependent ▁on ▁its ▁utility . ▁ ▁Com mod ity ▁value ▁is ▁of ▁particular ▁significance ▁in ▁the ▁study ▁of ▁currency . ▁For ▁example , ▁the ▁comm od ity ▁value ▁of ▁a ▁coin ▁is ▁the ▁value ▁of ▁the ▁metal ▁of ▁which ▁it ▁is ▁made . ▁Gold ▁and ▁silver ▁co ins ▁have ▁a ▁high ▁comm od ity ▁value , ▁whereas ▁fi at ▁co ins ▁such ▁as ▁modern ▁day ▁qu arters ▁have ▁a ▁low ▁comm od ity ▁value . ▁This ▁is ▁of ▁particular ▁historical ▁relev ance ▁when ▁analyz ed ▁in ▁light ▁of ▁G res ham ' s ▁Law . ▁ ▁Because ▁money ▁becomes ▁valuable ▁not ▁due ▁to ▁its ▁subst ance , ▁that ▁is , ▁its ▁comm od ity ▁value , ▁but ▁rather ▁because ▁of ▁its ▁performance , ▁curr encies ▁tend ▁to ▁become ▁token . ▁ ▁Deb t ▁ ▁As set ▁back ed ▁deb t ▁has ▁a ▁comm od ity ▁value ▁equal ▁to ▁the ▁price ▁of ▁the ▁coll ater al ;