A seven-stamp set marking the centennial of the Group of Seven’s first exhibition was issued by @canadapostcorp today. https://canadianstampnews.com/seven-stamps-celebrate-centennial-of-first-group-of-seven-exhibition/ … #stamps #philately #collectstamps #GroupOfSevenAt100 #CanadaPost #Canada #ArtistOnTwitter #arthistory #artcollector #stampcollectorpic.twitter.com/hQQyQd2iVc