Watch List notes:

South Russia, 50 & 500 Rubles 1919-1920 (2pcs)
Юг России, 50 и 500 рублей 1919-1920 (2шт)

Reference: Pick S438, S440b
Grade: 3+, ~3+

More photos and full item description available on auction site here

WORLD PAPER MONEY RUSSIA / RUSLAND