Description:Lot of (2) Boston Red Sox professional model hats c.late 1960s/early 1970s. Includes one example with McAuliffe tagging on interior showing evident use and no player uniform number. The second example retains original Pro Km tagging inscribed under the bill, "Mr. U Liant" in black marker indicating likely use by Luis Tiant. Includes LOA from Hunt Auctions: EX