Watch List notes:

BANKNOTEN AUS ALLER WELT (1. Teil)
RUSSLAND/RUSSIA
State Credit Notes / Ãîñóäàðñòâåííûå êðåäèòíûå áèëåòû

Lot. 500 Roubles 1912. Pick 14b. 1 expl. with G B S O / Г Б С О (Staatsbank des nördlichen Gebietes / Государственный Банк Северной Области) in perforation (Pick S179). (4)These perforations were made officially in 1919 and can be found on different nominals. ~