<p><a href="//commons.wikimedia.org/wiki/Krzy%C5%BCtop%C3%B3r" class="mw-redirect" title="Krzyżtopór">Krzyżtopór</a> Castle in Ujazd village, Poland.
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One of many similar plaques with dedications (?) to individuals; some are destroyed beyond readability.
myself (<a href="//commons.wikimedia.org/wiki/User:Piotrus" title="User:Piotrus">User:Piotrus</a>)
CC BY-SA 3.0
<span class="int-own-work">Self-photographed</span>