file size: 6.57 MB, MIME type: image/jpeg) Description First Devon & Cornwall 33664 (SN12 AEF), a Dennis Trident / Alexander Dennis Enviro400 in Derrys Cross, Plymouth , Devon on route PR1. It is seen wearing the new First livery. Date 1 June 2012 ( 2012-06-01 ) Source Flickr : First 33664