money

Its hard to find any dimentions. I think the banknotes were large. I found the size of a 100 rouble from 1919 260 mm x 120 mm (10 x 4,7 inches)
Here are some visual examples of graphics

Alexander III, 25 Kopek 1894, АГ

Alexander III, Rouble 1886, АГ, (large head)

Alexander III, 5 Roubles 1886, АГ

1 rouble 1898 (front & back)