Watch List notes:

(x) El Estado de Buenos Ayres, Argentina, proof 200 pesos, 25 May 1858, black and white, sailing ship at left and right, arms top centre, value at each corner, (Pick S435s, Bauman BA87s), this is the Bauman plate note. SPECIMEN handstamp, in PMG holder 53 ABOUT UNCIRCUKLATED, rare.

Estimate: £800 - £900