Scott Catalog # : 4817 - 4820 / FDCO Exclusive First Day Covers.
Set Includes: 4817 Red Door / 4818 Blue Door / 4819 Green Door and 4820 Orange Door.
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.
