Glass, glass, everywhere

Here is some later glass, as fitted to a 1976 P6 LTD, a model whose production ran from 1976 until 1979.



Pilkington changed the lettering to that shown above. Having shortened the previous ‘APPROVED’ to ‘APP’ they flipped the months and quarters. The dots under the ‘ASRI’ signify the quarters of the year, and the dots under the ‘APP’ signify the month in the quarter.

The letters under the ‘TOUGHENED’ signify the year, and if there is no dot, it refers to the year 0.

Hence the above glass was struck in October, 1976.