Watch List notes:

Greece, George I (1863-1913), pattern gold 20 drachmai, 1869, Paris mint, ΓΕΩΡΓΙΟΣ Α! ΒΑΣΙΛΕΥΣ ΤΩΝ ΕΛΛΗΝΩΝ, head right, date below between e (for essai) and engraver's signature bappe, rev., ΒΑΣΙΛΕΙΟΝ ΤΗΣ ΕΛΛΑΔΟΣ, Greek arms with the badge of the Order of the Redeemer on crowned mantle, 20 ΔΡΑΧΜAΙ between two stars below, edge grained (Divo P73; KM-E11, this coin illustrated), struck to full proof quality, mint state and excessively rare, in NGC holder graded PF 65 CAMEO Ex Spink auction 5, 17 May 1979, lot 231. It may be noted that this is a different specimen to that sold by Hans Schulman in 1966 (and to which Divo refers).
(Estimate: 100000 - 150000 GBP)