Block of nine two-cent USPS stamps honoring the 1928 International Civil Aeronautics Conference, signed in the upper border in black ink by Wright. Matted and framed with a descriptive plaque and an image of an early plane to an overall size of 10.75 x 15.25. In fine condition. Pre-certified PSA/DNA and RR Auction COA.
This item is Pre-Certified by PSA/DNA
Buy a third-party letter of authenticity for
$100.00
*This item has been pre-certified by a trusted third-party authentication service, and by placing a bid on this item, you agree to accept the opinion of this authentication service. If you wish to have an opinion rendered by a different authenticator of your choosing, you must do so prior to your placing of any bid. RR Auction is not responsible for differing opinions submitted 30 days after the date of the sale.