B298 (PNL): 10,000 rials (US$0.25)Brown. Front: Farsi text; denomination as puzzle number registration device; Ayatollah Ruhollah Khomeini; birds. Back: English and Farsi text; Tomb of Ibn Sina (Avicenna) in Hamedan; denomination as puzzle number. 2.5-mm windowed security thread with demetalized CBI. Watermark: Ruhollah Khomeini and electrotype 1. Printer: (TAKAB). 156Read More…

B834 (PNL): 100 рублей (rubles) (US$1.50) Orange, olive green, and purple. Front: Russian text; bank seal; main building of Moscow State University; Spasskaya Tower of the Moscow Kremlin with chimes; Zaryadye concert hall and floating bridge; Ostankino Tower; QR-code. Back: Russian text; Rzhev Memorial to the Soviet Soldier in RzhevskyRead More…