Buuxi weedha soo socota: Davidson wuxuu naqshadeeyay shaambado boostada ah oo loogu talagalay Royal Mail ee Boqortooyada Ingiriiska, oo ay ku jiraan 1993 "Sherlock Holmes" set, "The Station", 2003 "British Pub Signs" set, afar ka mid ah 2010 "Business and Consumer Smilers", "Paralympic Games - Equestrian" ee "Olympyc Games iyo
Ciyaaraha Paralympic ee 2012", September 2018 "Heritage Postal: Mail by Bike" set iyo isla sanadkaas Christmas stamps.