set of 2 banknotes 2 Tala ND (1961) Specimen and 2 Tala ND (1961) as color trial, Pick 17s & 17ct. This set contains the note tested in lilac color before the issuance of the second note in blue color. Both notes are overprinted "Specimen" in red with hole cancellation. The color trial has yellow glue residual on top border which causes wavy paper while the normal Specimen in blue is without any defects. Condition: UNC and VF+. (2 pcs)