The Knight and Knave of Swords

From Author Wars - https://authorwars.com/publications/the-knight-and-knave-of-swords-656223.html

Overview:

Title: The Knight and Knave of Swords
Author: Fritz Leiber
Year: 1990
ISBN-10: 044145125X
Publisher: Ace Books
Price: C$4.95
Pages: 292
Binding: Paperback
Type: Collection
Title Reference: The Knight and Knave of Swords
Notes:
• "Ace edition/February 1990" • First printing by number line 10—1 • "Cover by Darrell Sweet" on copyright page, the artwork also has his initials • Printed in the US but for the Canadian market; has just the one price on the cover [already printed with dual pricing, why would they bother?]