These are the tokens created especially for the Use-a-Thons, one for the main prizewinners and an "Honourable Mention" for outstanding contributions as determined by the organizers. Token details can be found at https://wiki.byteball.org/Use-a-thon#Use-a-Thon_Tokens.
Steem entrant details, including links to their competition blog posts, are at https://wiki.byteball.org/Use-a-thon/steem#Known_participants.
Congratulations @slackjore! You received a personal award!
You can view your badges on your Steem Board and compare to others on the Steem Ranking
Vote for @Steemitboard as a witness to get one more award and increased upvotes!