Whakakihia te rerenga e whai ake nei: Kua hangaia e Davidson nga tohu tohu mo te Royal Mail o te UK, tae atu ki te 1993 "Sherlock Holmes" huinga, "The Station", i te 2003 "British Pub Signs" huinga, e wha o te 2010 "Business and Consumer Smilers", "Paralympic Games - Equestrian" i roto i te "Olympyc Games and
Paralympic Games 2012" huinga, te Mahuru 2018 "Postal Heritage: Mail by Bike" huinga me nga tohu Kirihimete o taua tau ano.