Watch List notes:

Guatemala, 1/2 real, 1873 P, NGC AU 50, KM Plate (stated on label), finest and only known example in NGC census. KM-147. Scarcer second date of a two year series with a mintage of only 35,000 coins. Bold details with minimal circulation evidence, light yellow toning around the rims, the sole example listed on the NGC census (no examples on the PCGS census). Plate Coin in the Krause-Mishler Standard Catalog references.
($100-150)