ARGENTINA. Lot of (2) Banco de la Provincia De Buenos Aires. 1 Peso Oro, 1883. P-S535p. Face Proof & Face Die Proof. PCGS Currency Choice About New 55 & Very Choice New 64 PPQ. A duo of 1 Peso Oro notes, which consist of a Face Proof which is in a Choice About New 55 grade, and a Face Die Proof which is in a Very Choice New 64 PPQ grade.