I love tow trucks. I love COEs (cab over engine)... and streamlined anything are cool.. so the streamlined COE tow trucks are pretty much the peak of the genre

 This is typical of the Count de Sakhnoffsky design... he was tops in auto design in the 30's http://justacarguy.blogspot.com/2008/09/extraordinary-designer-of-automotive.html for a gallery and info about his work

All found on the HAMB thread http://www.jalopyjournal.com/forum/showthread.php?t=219018&page=110&highlight=coe