A sign with the inscription "1607" and C AK. According to the Malmöhus webpage (<a rel="nofollow" class="external free" href="http://www.malmo.se/kulturbibliotek/malmomuseer/slottetmalmohus/christianivsflygelbyggnadsivertgrubbe.4.7101b483110ca54a56280005516.html">http://www.malmo.se/kulturbibliotek/malmomuseer/slottetmalmohus/christianivsflygelbyggnadsivertgrubbe.4.7101b483110ca54a56280005516.html</a>) the CAK stands for "Christian" and his queen "Anna Katarina".
No machine-readable author provided. <a href="//commons.wikimedia.org/wiki/User:Fred_J" title="User:Fred J">Fred J</a> assumed (based on copyright claims).
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