Author of this blog Phil Perry (boy in the middle) with (from left) his mother Virginia, sister Ginny and older brother Ted just having deplaned from Aerolineas Argentinas 707-387B, LV-ISD at EZE on 14Mar68 (thanks to the photographer for having shot the aircraft registration even though I am sure he was not even aware of it !). Note that it mistakenly says 707-320B on the side of the aircraft.
This aircraft first flew on 08Feb67 and was delivered to Aerolineas on 24Feb67. It was transferred to the Fuerza Aerea Argentina on 18Jan83 and also went on to fly with PLUNA and the Fuerza Aerea Guatemalteca. It was stored at El Palomar AFB near Buenos Aires on 25Jun04 reportedly in good condtion but "time-expired". Overhaul work for pax configuration was started but the "D" check was abandoned in 2007 when 80% completed.
Info Source: http://loudandclearisnotenought.blogspot.com/