This is a rare and highly sought-after Portuguese souvenir sheet from 1989. It features beautiful 20th-century paintings by Portuguese artists and is in mint condition with no signs of wear or damage. The sheet has never been hinged and comes with certification. The photos attached to this listing show the quality of the sheet, which is full of vibrant, multi-colored designs. It is a must-have for any serious collector of art-themed stamps. Don't miss your chance to add this stunning sheet to your collection!