This is Amazing Stories for March 1950, cover by Robert Gibson Jones. The ISFDB entry for this issue is here. I found this version of the cover at Pulp Covers. You can read and download the entire issue from the Internet Archive.
This is Amazing Stories for March 1950, cover by Robert Gibson Jones. The ISFDB entry for this issue is here. I found this version of the cover at Pulp Covers. You can read and download the entire issue from the Internet Archive.