Card from personal file of <a href="https://pl.wikipedia.org/wiki/Maksymilian_Sznepf" class="extiw" title="pl:Maksymilian Sznepf">Maksymilian Sznepf</a> (1920-2003) - Colonel of the Polish Army
<a href="https://en.wikipedia.org/wiki/Ministry_of_National_Defence_(Poland)" class="extiw" title="en:Ministry of National Defence (Poland)">Ministry of National Defence (Poland)</a>
1960
<a href="https://pl.wikipedia.org/wiki/Centralne_Archiwum_Wojskowe" class="extiw" title="pl:Centralne Archiwum Wojskowe">Centralne Archiwum Wojskowe</a>