Watch List notes:

San Jose, Costa Rica, Banco Central, 20 colones, 7-4-1983, serial C27594866, insufficient inking error, PCGS VF 20 details. SCWPM-252a. Interesting error on the reverse where the printing plate was insufficiently inked, leading to a very weak design contrasting against a bold colored underprint. This error escaped notice for some time in circulation, some masked writing is found on the front as noted on the label. Pedigreed to the Tamarindo Collection of Costa Rican Error Coins and Paper Money.
($100-150)