I will supplement the selection if you do not mind:
Many Russian principalities had characteristic images on their shields. From left to right: Galich (Western Russia, now Western Ukraine), Kiev, Pskov (Northern Russia), Suzdal (Eastern Russia - near modern Moscow).
Shield with Smolensk Griffin
A variant of Christian symbolism
All images date back to the 14th century.
And a few reconstructions of Russian warriors for this period:
Beginning of the 14th century
Reconstruction of Russian warriors who participated in the Battle of Kulikovo in 1380:
Team group (Grand Duke, high boyars and musicians)
Horse Vityaz (Knights)
Foots warriors