Played the imperturbable detective Paul Drake in Perry Mason. Lot of two signed items. Ballpoint signature, 'William Hopper,' on a white double weight 5.75 x 3.5 custom-made collector's card (similar in look to an invitation card); and a one page ALS, signed 'Bill Hopper,' dated December 1, 1958, which acknowledges the signature. In fine condition. RRAuction COA.