set of 4 different specimen banknotes 2 Pesos 1907, 5 Pesos 1903, 10 Pesos 1903 and 5 Pesos 1923 all "Specimen" overprinted with zero serial number P. 108bs, 109bs, 117s, 163s. All notes in this set are perfect unfolded and without any holes or tears. Condition: UNC. (4 pcs)