Sold For $200
*Includes Buyers Premium
Vintage pencil signature at the conclusion of an off-white 5 x 8 sheet, on which an admirer typed a letter requesting Mack’s signature, dated August 20, 1937. In fine condition, with a bit of light creasing. Accompanied by the original mailing envelope. Pre-certified Steve Grad/PSA/DNA and RR Auction COA.
![]()
This item is Pre-Certified by PSA/DNA
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.