16 Valves had 1/2 tinted rear lights. Genuine ones are Hella, but many have Pfft aftermarket ones due to being replaced for whatever reason.
My car had an Italvolanti steering wheel, which I believe was a dealer fit option, so won't have a code on the data sticker. Yours may me the same as I'm sure they all came with a plastic wheel as standard. 1ME is sports steering wheel. 1ML is sports steering wheel (leather) Mine says 1ME
If it was built before Feb 92, there's every possibility that it didn't get sold/registered until May. There were a number of K reg cars sold, so they would have been registered after the 1st of August 1992.