It did and was called the ECU (before it, the EUA, but I never had dealing with that as a little before my time in business).I believe its a Euroland 'calculated' average value of Eurozone countries exchange rates at the time. Supposed equivalent of a Euro before it existed.
European Currency Unit - Wikipedia
en.wikipedia.org
Commonly used for large pan-Europe projects (e.g. by the like of ESA) so everyone had a similar pricing model to agree upon.