<p>Russian 76.2 mm gun Model 1902, displayed in Helsinki Military Museum (Sotamuseo).  Stamp on the barrel indicates this gun was manufactured in 1907. 
Other stamps indicates the gun has received an inner lining in 1936 and 1944 at the Finnish State Gunfactory (<i>Valtion Tykkitehdas</i>).
Photo taken on July 4, <a href="//commons.wikimedia.org/wiki/2006" title="2006">2006</a>.
The factory name is rendered Обуховскій Заводъ, in the pre-revolutionary orthography.
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Source: Photo by me, <a href="//commons.wikimedia.org/w/index.php?title=User:Balcer&amp;action=edit&amp;redlink=1" class="new" title="User:Balcer (page does not exist)">User:Balcer</a>.
<a href="//commons.wikimedia.org/wiki/User:Balcer~commonswiki" title="User:Balcer~commonswiki">Balcer~commonswiki</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>