Posted by Huwbot,
©1984 LEGO Group
Today's random set is 6021 Jousting Knights, released in 1984. It's one of 10 Castle sets produced that year. It contains 37 pieces and 2 minifigs, and its retail price was US$5.25.
It's owned by 2310 Brickset members. If you want to add it to your collection you might find it for sale at BrickLink or eBay.