Watch List notes:

Greece, Paul (1947-1964), proof 20 drachmai, 1960, in silver, by the Royal Mint, London, ΠΑΥΛΟΣ ΒΑΣΙΛΕΥΣ ΤΩΝ ΕΛΛΗΝΩΝ, head left, engraver's name ΦΑΛΗΡΕΑΣ below, rev., moon goddess on horseback, a dolphin below, edge grained, coinage alignment (cf. Divo 115 for currency issue; KM-85), mint state and extremely rare, in NGC holder graded PF 65 Cameo Ex Spink auction 5, 17 May 1979, lot 265.
(Estimate: 2000 - 3000 GBP)