Regular contributor Dan High witnessed three such workings with the first being Volvo B9 / Caetano Levante 907 WOA 521.
Next up was Volvo B8R /Plaxton Panther 927 CE 24 SAN named Charles Edward Sanders.
Finally, Volvo B9R/ Caetano Levante 929 W29 SCL was passing First Norwich Wright StreetLite 47510 SN64 CRV on Castle Meadow.
My thanks to Dan for the photos.
Roy