Claude l'invincible

From Author Wars - https://authorwars.com/books/claude-linvincible-1702436.html

Overview:

Title: Claude l'invincible
Author: Charles Beaumont Chad Oliver
Year: 1956
Type: Short Fiction

Editions/Publications:

Unknown. Fiction, #34 (Unknown, Charles Beaumont, OPTA, ISBN-10: , F100.00, 132 pages, digest, MAGAZINE)
Unknown. Fiction, #34 (Unknown, Chad Oliver, OPTA, ISBN-10: , F100.00, 132 pages, digest, MAGAZINE)