2016 Canada FDC Scott catalogue number 2923 Dinos of Canada. Souvenir Sheet of 5 containing 2923a – 2923e. 2923a Troodon inequalis (from AB), 2923b Dimetrodon borealis (from PEI), 2923c Comox Valley elasmosaur (from BC), 2923d Cypretherium coarctatum (from SK) & 2923e Acrotholus audeti (from AB).