DELTA SKYMILES : GOLD MEDALLION #Infographics : Every year, DELTA sends a direct mail package to their top-tier frequent flyers letting them know they've earned Medallion status and giving them their credentials for the year. This year's package concept playfully positioned earning Medallion status as an accomplishment worth celebrating through a series of fun, informative and lively inforgraphics by illustrator Leandro Castelao.