Noun
exchange value (plural exchange values)
English Wikipedia has an article on:exchange valueWikipedia
(economics) the proportion at which a commodity can be exchanged for other commodities
Common experience is the gold reserve which confers an exchange value on the currency which words are; without this reserve of shared experiences, all our pronouncements are cheques drawn on insufficient funds. René Daumal
Exchange value forms the substance of money, and exchange value is wealth. Karl Marx
Well, I make a practice of not commenting on the role of the relative exchange value of our currency. John W. Snow
Exchange value for Malaysian ringgits based on damage. Source: Internet