Banco de Descuento, Ecuador, uniface obverse and reverse colour trial 5 Sucres, ND (1923-24), black on green underprint, seated woman with boy at centre, value at left and right, reverse, blue, (Pick S133ct), perforated, red SPECIMEN WATERLOW & SONS LIMITED overprint at left and right, both in PMG holder 65 EPQ and 66 EPQ gem uncirculated, rare (2)