This is a rare and highly sought-after United States Scott #3505 MNH XF The Pan-American Inverts Commemorative Sheet that is perfect for any stamp collector or history enthusiast. The multi-colored stamps depict historical events and come in an ungraded quality with original gum. The sheet includes 1c-4c denomination stamps and has a face value of $3.27. The cancellation type is none-mint, and the year of issue is 2001. It is a great addition to any stamp collection, and the Scott 2024 Catalogue Value of $10 makes it a valuable investment. This sheet was made in the United States and is a rare find for any collector.