SEM Model (http://www.semmodel.altervista.org/kit_completi.html) has just released a 1/72nd Partenavia P-53 Aeroscooter resin kit - ref. 72011
Source: http://www.master194.com/forum/viewtopic.php?f=55&t=90072
Source: http://www.semmodel.altervista.org/p53.html
V.P.