World Currency
Monaco Principaute de Monaco 50 Centimes 20.3.1920 Pick 3sp Specimen Proof. A small change note introduced to solve the problem of lack of coinage after World War I. "Non Remboursable" and "Essai" (meaning trial) are seen on the note. On issued notes, an issuance clause and serial number would be seen in those places. PMG Choice Uncirculated 64 EPQ.
Estimate: 200-300 USD