Scott Catalog # : 4575 - 4578 / FDCO Exclusive First Day Covers.
Set Includes: 4575 Red Bauble / 4576 Blue Bauble / 4577 Purple Bauble and 4578 Green Bauble.
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.
