The jersey, once worn by the The Babe when he was just a baseball rookie, is going on the block next month and apparently there is not a mustard stain to be seen.

“We’ve been in this business for 30 years, and this is simply the finest piece we’ve ever handled,’ said Dan Imler, managing director of SCP Auctions in Laguna Nigel, Calif. “We could be in business for another 30 years and never handle another piece like this.”