Horn or bones, and 1895 coin. I bet he has troll drops plus coin. But most buildings from events are 1400 and take up 4 squares, so I think the coin is decent, and it can help with the troll hunter trade. I think he's much better than last year's raccoon. And he's kind of cute.
But I wonder what the prize will be for the 10th year with it being a decade.
I updated his drops in my post here.