Welcome, Ronin! I'm a bit of a fan of $1 coins, too, compared to say, $1 bills when it comes to that "rainy day" money. We had a thread in the Campfire not that long ago about the new $1 coins.

I don't have any particular tips on carrying or storing them. I do prefer when they are wrapped in plastic versus paper since the plastic is waterproof and just generally a more durable storage medium than paper. I'll just keep them in their rolls as is, I think.