Livraria Sá da Costa is a renowned used bookstore in Lisbon, specializing in rare and out-of-print books. Established in 1950, it has a vast collection of antique books, manuscripts, and first editions. The store is a treasure trove for collectors and history buffs, offering a glimpse into the literary heritage of Portugal. Livraria Sá da Costa also organizes book auctions and appraisals, making it a destination for serious bibliophiles.