Watch List notes:

Lot of 2 La Rioja, Argentina (CRED. PUB.) 1/2R: 1854B and 1860B. Janson-73 and 74; KM-25. 3.16 grams total. Both AU, the 1854 colorfully toned and lustrous but with weak legends, the 1860 with muted luster under faint rainbow toning, bold details.

Estimate: $100 - 150