20 Bolivianos Banco Central de la Fortuna

I cannot write a catalog entry for this item because "Banco Central de la Fortuna" is not a real central bank. No such institution exists in Bolivia or elsewhere. The combination of details here — an invented issuer name, a legitimate French security printer, and a narrow date range — suggests this may be a fantasy note, a novelty item, or a test piece rather than a genuine banknote issue.

Catalog entries require verifiable facts. Writing historical or institutional context for a fictitious issuer would mean fabricating that context entirely, which I won't do.