1000 Francs CFA

The BCEAO's long-running note series for the eight-member UEMOA zone generates an unusually dense signature matrix precisely because the two signatories represent different offices — the national finance minister of the rotating presidency country, and the BCEAO Governor — meaning the combination changes whenever either post turns over. This particular denomination has cycled through more than a dozen pairings across a run still technically active after two decades, which creates substantial variety for date-and-signature collectors working within what appears, superficially, to be a single note type.

The CFA franc itself has been pegged to the French franc, and since 2002 to the euro at a fixed rate of 655.957, a monetary arrangement dating to 1948 that remains politically contentious across the zone.