American Pickers: Season 11, Episode 7

11 - 7: Frank's Holy Grail

Scouring a mind-blowing collection of vintage petroliana in Massachusetts, Frank breaks a sweat and the bank when he uncovers the holy grail of oilcans. Later, in Rhode Island, the guys get a once-in-a-lifetime invitation to a mammoth Newport mansion where they bid big money on a series of rare gems.