Watch List notes:

Banco Central de la Republica Argentina, a Securency polymer test note for 1 peso, ND, zero serial numbers, dark blue on multicolour underprint, Carlos Pellegrini at right, red PRUEBA overprint, printed on 'watermarked' Securency polymer(Pick 339 for the same design on paper, this unlisted in Pick, BB and Straus), uncirculated, very rare.

Estimate: £500 - £700