Efsi (NL) Efsi, a Dutch manufacturer, formerly know as Bestbox. Porsche 911S, Efsi 402 made in Holland on bottom, 1/65 Share this :Click to email this to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Skype (Opens in new window)