4000-4499

Scott Catalog # : 4056 / Mystic First Day Cover. Have description of the stamp subject printed on the back. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4057 / Mystic First Day Cover. Have description of the stamp subject printed on the back. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4058 / Mystic First Day Cover. Have description of the stamp subject printed on the back. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4059 / Mystic First Day Cover. Have description of the stamp subject printed on the back. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4060 / Mystic First Day Cover. Have description of the stamp subject printed on the back. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4062 / Mystic First Day Cover. Have description of the stamp subject printed on the back. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4076 / Artcraft First Day Cover. On a 4" x 9 1/2" envelope. Very unusual first day cover. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4078 / USPS #: 0634 This 8 x 10-1/2 inch page is printed on tinted bond paper often with watermarks. Includes an image of the stamp, data about the issue including designer, first day date, first day city, number of stamps printed and...

Scott Catalog # : 4078 / Artcraft First Day Cover. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4079 / Artcraft First Day Cover. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4079 / Fleetwood First Day Cover. Have description of the stamp subject printed on the back. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4079 / Therome Cachet First Day Cover. Hard to find! IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4079 / Artcraft First Day Cover. Machine Cancel Postmark. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4079 / Artcraft First Day Cover. IS IN MINT, UNADDRESSED CONDITION.

Scott Catalog # : 4080 - 4083 / USPS #: 0636 This 8 x 10-1/2 inch page is printed on tinted bond paper often with watermarks. Includes an image of the stamp, data about the issue including designer, first day date, first day city, number of stamps...

Scott Catalog # : 4080 - 4083 / FDCO Exclusive First Day Covers. Set includes: 4080 Roy Campanella / 4081 Hank Greenberg / 4082 Mel Ott and 4083 Mickey Mantle. The Collectible First-Day Digital Color Postmark is an official digital postmark bearing the...

Scott Catalog # : 4080 - 4083 / FDCO Exclusive First Day Covers. Set includes: 4080 Roy Campanella / 4081 Hank Greenberg / 4082 Mel Ott and 4083 Mickey Mantle. The cachet (image) was made on a computer and printed on high-quality envelope. ARE IN MINT,...

Scott Catalog # : 4084a-t / Artcraft First Day Covers. Set Includes: 4084a Superman / 4084b Green Lantern / 4084c Wonder Woman / 4084d Green Arrow / 4084e Batman / 4084f The Flash / 4084g Plastic Man / 4084h Aquaman / 4084i Supergirl / 4084j Hawkman /...

Scott Catalog # : 4084g / Photo File First Day Cover. Beautiful Full Color Magazine Stock #10 Envelopes. IS IN MINT CONDITION AND UNADDRESSED!

Scott Catalog # : 4085 - 4088 / USPS #: 0639 This 8 x 10-1/2 inch page is printed on tinted bond paper often with watermarks. Includes an image of the stamp, data about the issue including designer, first day date, first day city, number of stamps...