I have had multiple han bespin ledy figures and never had one with paint apps not covering the ear. Since a spray mask would have been used to do this, I don't think it would occur that it didn't cover the ears as they only had the one spray mask as far as I'm aware. Are you certain it is a ledy? Are you certain it is factory sonic welded? It is possible that some overstock pieces were custom painted by someone if it is hand glued and shows no sign of welding. This is a less likely thing but possible.
I have caviar dreams and McDonald's pockets