Presumably a relative of Catherina Elisabeth (Kitty) Stoerhaan, in Deli.
<div class="fn value">
Lambert &amp; Co., G.R. / Singapore-Deli</div>
presumably 1888-1895
<a rel="nofollow" class="external text" href="http://hdl.handle.net/1887.1/item:766671">Leiden University Library, KITLV, image 46543</a> <a rel="nofollow" class="external text" href="https://digitalcollections.universiteitleiden.nl/imagecollection-kitlv">Collection page Southeast Asian &amp; Caribbean Images (KITLV)</a>