Scott Catalog # 4651 - 4652 / FDCO Exclusive First Day Covers.
Set Includes: 4651 Cherry Blossoms Washington Monument and 4652 Cherry Blossoms Jefferson Memorial.
The Collectible First-Day Digital Color Postmark is an official digital postmark bearing the first-day-of-issuance-date containing an image that relates to the stamp design with the words "FIRST DAY OF ISSUE."
The cachet (image) was made on a computer and printed on high-quality envelope.
