Issued as a pattern piece commemorating the Romanian Academy's 139th anniversary, this aluminium strike was never released for general circulation. The National Bank of Romania produced pattern coins of this type in limited quantities primarily for archival and presentation purposes — the Stambuliu reference distinguishes at least two die variants (P616.1 and P616.2), differing in edge treatment.
Issued as a pattern piece commemorating the Romanian Academy's 139th anniversary, this aluminium strike was never released for general circulation. The National Bank of Romania produced pattern coins of this type in limited quantities primarily for archival and presentation purposes — the Stambuliu reference distinguishes at least two die variants (P616.1 and P616.2), differing in edge treatment.