Back to the Stone Age

From Author Wars - https://authorwars.com/publications/back-to-the-stone-age-645451.html

Overview:

Title: Back to the Stone Age
Author: Edgar Rice Burroughs
Year: 2015
Publisher: Edgar Rice Burroughs, Inc.
Price: $249.99
Pages: 318
Binding: Hardcover
Type: Novel
Title Reference: Back to the Stone Age
Notes: "Publisher's Limited Edition" Limited to 300 copies of which 279 were numbered. Others were lettered. Signed by the Jim Sullos (publisher), Robert LoMascolo (printer), Jim Gerlach (designer), Bob Eggleton and Tom Grindberg (two of the illustrators), and John Ralston Burroughs (grandson of Burroughs). Issued in a presentation box with an original copper printing plate from the 1937 first edition. 7 unnumbered leaves of plates Data from Zeuscher's Edgar Rice Burroughs: The Bibliography