Found this on a search Steve,
Since 1985, Italy has used a font based on DIN 1451, although the weight is a little lighter than usual for number plate implementations.
and this
Italy uses a font based on DIN 1451, although the weight is lighter than the norm. Characters with significant changes:
* 3 – flat top on upper bowl, with angled connecting stroke to the central junction.
* 4 – much shorter vertical stroke on right side.
* 5 – vertex at upper left of the lower bowl is close to a straight right angle rather than acute and curved.
* 6 and 9 – “tails” of characters end at an angle, short of forming a full semicircle.
* 7 – no downward serif at upper left.
* G – horizontal spur considerably below midline.
* Q – has been discontinued in Italy’s number plate font since 1999. However, in previous versions the angled tail was a bit truncated compared to DIN 1451, and chopped parallel to the baseline on the bottom.
* As with most license plate fonts, M and W are considerably narrowed, with both vertexes ending short of the character midline.