Watch List notes:

(x) El Estado de Buenos Ayres, Argentina, proof 1000 pesos, 1 August 1857, black and white, allegorical maiden (Agriculture) top centre, value in oval guilloches top left and right, arms low centre, (Pick S427s, Bauman BA79s), this is the Bauman plate note, mounting traces, in PMG holder 55 ABOUT UNCIRCULATED. A rare Perkins Bacon printing.

Estimate: £600 - £700