Reproduction NL (N) 320 tail light lenses are back on Ebay.
This seller made these in the past and he said he was going to make
them again so he probably has more than 1 pair.
These were problems before with bubbles in the plastic but this set looks
clear. He has reproduced the front round clear signal lenses. Just the lens and not the chrome ring
and the 64 wedge shaped orange signal lenses.
He might still have them available.
http://www.ebay.com/itm/272000942593?it ... m=&vxp=mtr
Ted