<p>Anti-tank gun ammunition, displayed in Finnish Tank Museum (Panssarimuseo) in Parola.  
1. 37 mm anti-tank round for German guns <a href="https://en.wikipedia.org/wiki/3.7_cm_KwK_36" class="extiw" title="en:3.7 cm KwK 36">3,7-cm-KwK 36 L/45</a> and <a href="https://en.wikipedia.org/wiki/3.7_cm_PaK_36" class="extiw" title="en:3.7 cm PaK 36">3,7-cm-PwK 36 L/45</a><br>
2. 37 mm high explosive round for German German guns 3.7 cm KwK 36 and PaK 36<br>
3. 45 mm anti-tank round for Soviet M1932 gun
Photo taken on July 14, <a href="//commons.wikimedia.org/wiki/2006" title="2006">2006</a>.
</p>
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>