Greenwell, NC 1880, pp. 6-7, illus. (1), Hoffman, Le numismate no. 13 (May 1, 1863), p. 115, illus., Prokesch-Osten, RN 1860, p. 268, de Witte, RN 1864, pp. 90-2, illus.
AR: Uncertain count noted in IGCH including 1 [uncertain], which has been counted as 1. Then, the total count comes to 1 coin of a group of at least 2+ coins