Watch List notes:

Set of Costa Rica, Banco Central, photographic essays on manila paper dated 8-20-1971: 50 colones, series C; 20 colones, series C; 10 colones, series D.Proposed obverse and reverse designs of three different denominations as made by the United States Banknote Corporation for the Central Bank. In 1972, a different company, the American Bank Note Company, printed these notes for circulation using similar designs.
($200-300)