There is an Aden Airways Argonaut in this photo:
https://www.vc10.net/Airframes/Images/G-ARVA_Aden2.jpg (Photo J. Davey, from
https://www.vc10.net/Airframes/cn_804__garva.html). You can see that they didn't change much in the livery, apart from the titles. Have a look at the other photos on that page as another one shows an East African Airways Comet 4 in a similar scheme.