Guatemala, Banco de Occidente en Quezaltenango, face Proof of 20 Pesos, c. 1891, general design of Pick S179 but previously uncatalogued branch issue at Guatemala City, also a four-subject Specimen sheet of 20 Pesos, 1916 (Pick S179), the Proof is very choice, the Specimen sheet has official notations, minor folding, attractive(2)