Gasse in Ragusa, signiert A. Perko, Feder, Tusche, Aquarell auf Papier, 27 x 12 cm,
<bdi><a href="https://www.wikidata.org/wiki/Q592467" class="extiw" title="d:Q592467"><span title="Slovenian-Austrian Navy officer and painter (1833-1905)">Anton Perko</span></a>
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