CelsiusPrime

I would be totally on board this train. it would take much but a re-scaling of the original object to get to to show on as a sigil

by middle man do you mean another person in your clan or friends list or do you mean a dummy account you also own? If it's a dummy account, it could look really sketchy and could end up getting a whole host of problems. if it's just another person, then it's totally fine. As long as you have a standing Verbal agreement with that other player that they will transfer it to your brother there's nothing wrong or strange about that.

The main thing you'll miss out on if you don't place on the steam version is the TennoGen (player created content). Though if you don't plan on spending money on those cosmetics then there isn't any real difference that I know of.