Since 1985, Poster Auctions International, Inc. (PAI) has specialized in vintage poster sales. The auction house offers triannual auction sales of rare and unique posters. Live and timed auctions are available on Invaluable.com, where PAI is a platinum member—they have hosted auctions with Invaluable since 2012. Known for its sales of notable and important posters, PAI’s sales attract poster collectors worldwide. The auction house set a record in 1989 with the sale of the iconic "Moulin Rouge" by Toulouse-Lautrec for $220,000—the highest price paid for a poster at auction. PAI specializes in rare, vintage, and highly sought-after posters. The auction house deals exclusively in collectable paper goods with a primary focus on posters, but their offerings also include selected books and periodicals.