Wow you really attract serious iron! When did the ten go to basket shift?
Well, in around 1932, they made some changes to the Royal 10, and one of them was making it basket-shifted! So, I definitely had to have one of these, and I really am excited! For a more exact history, check this link out!http://machinesoflovinggrace.com/ptf/RoyalAntique.htmlEnjoy!