2010 Canada FDC Scott catalogue number 2350 Flag Over Historic Mills. Souvenir Sheet of 5 containing 2350a – 2350e. 2350a Watson’s Mill, Manotick, ON, 2350b Keremeos Grist Mill, Keremeos BC, 2350c Stone Mill National Historic Site, Delta, ON, 2350d Riordon Grist Mill, Caraquet, NB, 2350e Cornell Mill, Stanbridge East, QC.