Pl. soles. [Sp. sol sun: see SOL sb.1] A Spanish-American (now Peruvian) silver coin worth about two shillings.

1

1884.  Bedford, Sailor’s Handbk., 126. Peruvian Gold: 20 Sol Piece, £3 18 6. Ibid. Peruvian: Soles, £0 3 6.

2

1894.  Daily News, 20 Dec., 5/2. The United States dollar being substituted for the Central American silver dollar or sol as the standard of value. The value of the sol is about 50 cents. (U.S. currency).

3