The <a href="https://en.wikipedia.org/wiki/Rumpler_C.IV" class="extiw" title="en:Rumpler C.IV">Rumpler C.IV</a> was a German single-engine, two-seat reconnaissance biplane.
<a href="//commons.wikimedia.org/wiki/User:Ad_Meskens" title="User:Ad Meskens">Ad Meskens</a>
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