Available as a scan at digitalcomicmuseum.com.
The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1941, New Series, Vol. 36, No. 3.
Page 3 is only a half page of art with the other half being an advertisment.
Galahad swears, "God's blood!" on page 5. This was his last appearance.