Has muzzle brake, head lamps, fenders and rear box which were added by the Finnish army.
Vehicle produced in summer-fall 1941 at the Stalingrad Tractor factory (STZ). Captured in 1942 by Finnish forces, after which it served in the Finnish army until 1944-06-22, when it was lost due when a bridge collapsed under it, killing all but the driver.
https://www.panssarimuseo.fi/wp-content/uploads/2017/11/Taistelupsv-T-34-Ps-231-1_esittelytaulu.jpg
from museum website