Dear Mike:
A couple of pieces which could be useful for your paper:
1. "The money commodity aquires a dual use-value. Alongside its
special use value as a commodity (gold, for instance, serves to fill
hollow teeth, it forms the raw material for luxury articles, etc.) it
acquires a **formal use-value**, arising out of its specific social
function." Capital I, p. 184, Penguin; emphasis added.
2. "And he [the capitalist] cannot eat his money." Capital I, p. 298.
A.Ramos