The "Celebrate The Century 1950s 33¢ Stamp Sheet USPS 1998 Series 6" is a colorful commemorative stamp sheet issued by the United States Postal Service in 1998. This vintage postage sheet features stamps from the 1950s, specifically those related to popular culture including the TV show "I Love Lucy" and more. The stamp sheet is a part of the "Celebrate Century Stamp Collection" and is ungraded, mint never hinged, making it a desirable addition to any stamp collection focusing on the 1950s.