Watch List notes:

Argentina. Buenos Aires. 1 Decimo 1823. Variante "Bueno´s Ayres", con apóstrofe, Soho Mint, England by Mattheuw Robinson Boulton. CU; 22.5mm; 6.71g. CJ 2.5 (XF) limpiada, retonalizando (probably cleaned long time ago, retoning)