(20 Jul 2025, 9:11 pm)Storx wrote The Omnicities were the 43 and 49 if I'm right? Need confirmation on that though, don't believe they were the X1/X2.
Some of the earliest pictures of the Omnicities are on the X1, such as this one of 4650 in August 2005. They also received route branding by 2006.
[Arriva North East] 4657 (NK05 GXM) in Durham on service X1 - John Carter by The Transport Network, on Flickr