Thun'da No. 1 cover

From Author Wars - https://authorwars.com/books/thunda-no-1-cover-1718065.html

Overview:

Title: Thun'da No. 1 cover
Author: Frank Frazetta
Year: Unknown
Type: Interior Art

Editions/Publications:

Unknown. Fantastic Exploits No. 20 (Unknown, Frank Frazetta, S. F. C. A., $1.00, [24] pages, quarto, FANZINE)