Watch List notes:

(x) El Banco Central de Reserva de El Salvador, pair of uncut reverse proof 25 colones printed on card, blue, Christopher Columbus at centre, pair of uncut obverse proof 100 colones printed on card, black,(Pick 97 and 98 for type), clear engraving, 100 colones with American Banknote Company stamp at reverse, interesting pieces (2).

Estimate: £200 - £300