rare, (see introduction for note on general condition of this consignment) " /> The State of Buenos Aires, 5,000-Pesos, 1.8.1857, Neptune in Chariot at upper center, arms below (P.S.428), proof, "1st October, 1857 'back plate'" pencilled in lower left edge, <I>rare, (see introduction for note on general condition of this consignment)</I> | Christie's