61-K 37 mm gun
From Wikimedia Commons, the free media repository
_at_the_Museum_of_Heroic_Defense_and_Liberation_of_Sevastopol_on_Sapun_Mountain.JPG) Museum of Heroic Defense and Liberation of Sevastopol on Sapun Mountain, Sevastopol |
_at_the_Museum_of_Heroic_Defense_and_Liberation_of_Sevastopol_on_Sapun_Mountain_side.JPG) Museum of Heroic Defense and Liberation of Sevastopol on Sapun Mountain, Sevastopol |
 61-K in Saint Petersburg Artillery museum, Russia. |
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.jpg) Lubuskie Muzeum Wojskowe |
 Artillery museum, Saint Petersburg |
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