Her is a nice set of Bean handcuffs which were masterfully polished.
nice polished set of old TOWER BEAN handcuffs complete with a nice WORKING KEY.... cuffs open & close properly as well as the lock buttons work good. - eBay
Some people stress that antiques should not be cleaned or polished, other than to remove dirt or rust. This set was polished new. It certainly didn't hurt the price as they sold for $250 (Plus $9.50 shipping). Then again, not everyone can polish a set of handcuffs this well.