Watch List notes:

(x) El Estado de Buenos Ayres, Argentina, proof 5000 pesos, 1 August 1857, black and white, Poseidon and quadriga of hippocamps top centre, value in oval wreath top left and right, arms low centre, (Pick S428p, Bauman BA80s2), this is the Bauman plate note, printers annotations, in PMG holder 62 UNCIRCULATED. A rare Perkins Bacon printing.

Estimate: £1,100 - £1,200