Watch List notes:

Bogota, Colombia, proof pattern 20 centavos in .900 silver, 1945-B, NGC MS 65, finest known in NGC census. Restrepo-P164. Frosty with luster, very flashy, several die-cracks to rim on obverse, the finer of just two at NGC, which (like PCGS) does not recognize this as being different from the regular (non-proof) issue in 0.500 silver. XRF: 89% silver, 9% copper. NGC #6442573-025. Pedigreed to the Bernal Collection (stated on label).
($150-225)