Convair 340, later upgraded to 440 Metropolitan standard, in Finnish Aviation Museum. This aircraft was purchased by Aero / Finnair Oy in 1953 and had the longest career of any Finnair aircraft when it was decommisioned in 1980. Serial number 73.
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<a href="//commons.wikimedia.org/wiki/User:MKFI" title="User:MKFI">MKFI</a></div>
<span class="int-own-work" lang="en">Own work</span>