Watch List notes:

Argentina, brass essai 40 centavos fuertes, 1879, medal alignment, smooth edge, rare, PCGS SP64. Janson-29.5 (not listed in brass); KM-E4 (not listed in brass). Typical brass color (decidedly not bronze, as listed in Janson and KM) with light rainbow toning, couple carbon spots and area of die-rust above head, no marks or wear. PCGS #17240497.
($500-1000)