(19 Oct 2020, 9:51 pm)Andreos1 wrote Can't give you exact dates, but pretty sure the ExpressLink services came first and was just before or just after de-reg.
Assuming the uprated Cxxx OCN Metrobuses were painted new, there's a decent enough starting point. 
There were some incarnations prior, such as Tyne Link, but they were National ops, rather than Go-Ahead. 

Going forwards, I seem to think Superliner came about after the strikes in 91 and when operations were all split up, with that the name given to the County Durham based express network.
I'd give that brand around 5 or 6 years max before disappearing along with WearExpress etc

The CxxxOCN  metrobuses were dilivered as such 3749 - 3764 In yellow and white ( the yellow was a different shade to Tyne & Wear yellow) and go ahead northern fleet names, 3765 - 3778 red & white 3779 -3789 Express link fitted with coach seating.

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The CxxxOCN metrobuses were dilivered 3749 - 3764 Yellow & White with Go Ahead Northern fleet names (The Yellow was a different shade to the Tyne & Wear PTE yellow) ,3765 - 3778 Red & White,3779 - 3789 Express Link with coach seating