World Banknotes

Bank of Korea, South Korea, a pair of initial engravers workings on transparent acetate showing the outlines of plate designs for the obverse 5,000 won and the reverse 1,000 Won, 1977-9 Issue, each of these is unique and they are remarkable survivors, as most were simply treated as printers waste (3 items)
BNB B239, B240, Pick 44, 45 £100-£150