You have a better memory than me I forgotten .
At least we know it was made it England , Aei was a cable manufacturer for both telephone and electricity. I still suspect it's electrical related rather than telephone but not 100% sure
Perhaps, still is. According to their
website, not only a cable manufacturer, but, the World's Oldest Cable Company
I knew they were located in my area, but, I didn't realise how close, I feel sure they used to be in Birtley (just South of Gateshead), but, now, it would appear they are in Washington (about 4 miles from me).