EARLY BRASS STEAM LOCOMOTIVE THROTTLE HANDLE UNKNOWN LOOK !

YOU ARE BIDDING ON A VERY NICE OLD BRASS THROTTLE HANDLE. I THINK IT IS FROM A LOCOMOTIVE BUT NOT SURE. IF IT IS NOT IAM SURE SOMEBODY WILL LET ME KNOW. PART NUMBER 124321. ABOUT 9 IN. LONG. ABOUT 5/8 IN. SQUARE HOLE. .