Poland
Republic silver Proba 5 Zlotych 1927 MS65 NGC, Warsaw mint, Parchimowicz-141a, KM-Pn293. Mintage of only 81 pieces. Obv. Crowned eagle with date and value. Rev. Winged Nike floats right, PROBA behind, with outstretched left arm and raised right arm. Boldly struck, with light russet patina over prooflike fields, with no significant flaws. An extremely rare issue
Estimate: 12000-15000 USD