Lot composed of 2x 5 Drachmas (1966) (type I) each in uniface mint error planchet in copper-nickel. Inside slabs by NGC "MINT ERROR XF 40 / OBVERSE HALF OF SPLIT PLANCHET #1/2 & "MINT ERROR XF 40 / REVERSER HALF OF SPLIT PLANCHET #2/2". Cert number: 6647398-001 & 6647398-002. (Hellas 230).