Hungarian State Gymnasium (today Petőfi Sándor Gimnázium), in Budapest 1st district, postcard from the period 1900-1909
Original uploader <a href="https://hu.wikipedia.org/wiki/Radar-137" class="extiw" title="hu:Radar-137">Radar-137</a>, on 12th May 2014. onto Hungarian wiki
Copy of old postcard dated between 1892-1905 (Copy <a rel="nofollow" class="external autonumber" href="http://egykor.hu/budapest-i--kerulet/petofi-sandor-gimnazium/3316">[1]</a>)