Vintage Linen Sinclair Dinosaur Exhibit Postcard 1933 Chicago Worlds Fair Sinclair Dinosaur Exhibit Postcard 1933 Chicago Worlds Fair Era: 1930s Subject: Sinclair Dinosaur Exhibit Brontosaurus Theme: Chicago World's Fair Century of Progress Material: Cardstock Type: Linen Postcard Please see pics to evaluate. Thank You and be sure to check our other items for more great items. We gladly combine multiple items to save you on shipping. Don't like our price? We consider all reasonable offers!