Last modified: 2014-08-22 18:43:10 UTC
They seem to be both topic subscription star. Clicking on the top one shows tips: "This board has been added to your watchlist"
in Trello: https://trello.com/c/zSvMZWDA
Change 155597 had a related patch set uploaded by Bsitu: Do not show board watch star in a topoic page https://gerrit.wikimedia.org/r/155597
Change 155597 merged by jenkins-bot: Do not show board watch star in a topic page https://gerrit.wikimedia.org/r/155597