Panama. Republic of Panama. 1933 "Sosa" Issue. 1 balboa Type 1933. Date: August 5, 1933. Dimensions: Unknown. Watermark: Unknown. Material: Paper. Printer: Unknown. Front and back: Polychrome printing. Description of the front: Coat of arms on the left, Vasco Núñez de Balboa (1475-1519) standing with sword and flag on the right. Unissued. Note: The Sosa project was designed by Don Martin Sosa, the Comptroller General of Panama in 1933.