4260 DF4C 4260 at Xizhimen Turnaround Depot (20161031173104) N509FZ [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons
4263 Hi Look at the ad on that bus lol: Milan bus 4263 giokai421 [CC BY 2.0 (https://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
4266 Stadtbahn Düsseldorf U76 4266 Heinrich-Heine-Allee 180220 Clic [CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons Alternative, but weirder image: https://commons.wikimedia.org/wiki/File:Signalementskaart_Veenhuizen_Ommerschans_gevangene_4266.jpg