PERU. Banco Nacional del Peru. 1 Sol, 1872. P-S311a. PMG Extremely Fine 40.Printed by ABNC. Pen dated 1872. Allegorical woman at right holder die counter, boy at left, and indigenous woman at center. Red signature panel, green underprint, with red under printed "1" counters. Dark brown back design with counters at opposing ends, and a steers head is at center. Rare, and one of only two examples graded by PMG for the variety. PMG Pop 1/None Finer.