100 Drachmas (1.10.1967) in red-brown on multicolor unpr with "Demokritos" at left. Signature by Galanis. Serial Number "26I 666666" (Solid #6s). The display frequency of solid serial numbers is 1 in 111111 banknotes. Inside plastic folder by PMG "Superb Gem Unc 67 - EPQ". (Pick 196b).