DUCATI  Pantah  500 & 600  CEV 210  Model 04816   Taillight Lens  NOS  New Old Stock.   W1/A

These numbers are all stamped on the lens:  CEV 210 / DGM 31527 /  LPXARLT / 35097 / 35099 / 35103 / K12484 / CH1 0204 / CH1 0209

The lens measures approx. 3 1/4" x 3 7/8" - Please look at all the pictures to ensure this lens is correct for your motorcycle. 

This lens fits several Italian motorcycles and mopeds.  Other than the Ducati, it may fit the following models:  Aermacchi / Alazzura / Benelli / Beta RX50 / Cagiva / Garelli / Gilera / Moto Guzzi / Piaggio / Tomos / Vespa and possibly others.  This information was taken from various sources and we don't know for sure if it will fit any of these.

It may also fit the Puch  Part # 3492553062