Six KNIGA covers, all with cachets commemorating Russian space achievements, issued and canceled to mark one of the first six Russian manned space missions. Each signed in ink by one of the first six cosmonauts, including: Yuri Gagarin, German Titov, Andriyan Nikolayev, Pavel Popovich, Valery Bykovsky, and Valentina Tereshkova. In fine condition. Accompanied by documentation and a postcard (all in German) from the famed Apollo 15 cover dealer Hermann Sieger. Pre-certified Steve Zarelli.
This item is Pre-Certified by STEVE ZARELLI
Buy a third-party letter of authenticity for
$75.00
*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.