I've never seen a BO A100 either, but BO isn't that hard to apply. I don't know of any reason to think it isn't a legit factory item.
I wonder what it will sell for ? I won't be bidding, if anyone here wants it, have at it !
babola: "Enjoy your tools and don't be afraid to air your opinion and feelings here, but do it in courteous and respectable way toward others, of course."