前: (面值) 5 / 10 (real) on a disc with horizontal hatch
铭文: (above, publisher) BANCO NACIONAL
背面: (part) BUENOS / AYRES above (年) 1827 until 1831
inside olive wreath
备注: struck in medal and coin alignment
diameter varies: 22-28 毫米
weight varies: 4.5-8 gr
