The listing, 2006 $4.05 Priority Mail X-Plane stamp Scott #4018 has ended.
Up for auction is a hologram 2006 $4.05 Priority Mail X-Plane stamp Scott #4018. Stamp is in excellent condition and from a smoke-free home. This stamp has a high collector's value per Harris. Thank you for bidding.
U.S. #4018
2006 $4.05 X-Plane
Priority Mail
Issue Date: March 17, 2006
City: New York, NY
Printed By: Banknote Corporation of America for Sennett Security Products
Printing Method: Lithographed with hologram
Perforations: Serpentine die cut 10 ¾ x 10 ½
Color: Multicolored
The X-15 rocket plane appears on this Priority Mail stamp. The X-planes were experimental U.S. aircraft created to test the technology of supersonic and space flight. The X-1 was the first plane to break the sound barrier (1947).