Watch List notes:

Greece 20 Lepta 1969 9 over 4 Obverse uniface trial in base metal, KM#TS36 struck on a large 29mm diameter flan without central hole, 9.83 grammes, UNC and lustrous, the design weakly struck op the left of the coin, with a straight planchet clip from 6 to 7 o'clock, an extremely rare and unusual piece, Lists at $3500 in Krause

Estimate: 750-1500 GBP