This is Amazing Stories for December 1949, 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 downlaod this issue at the Internet Archive.
This is Amazing Stories for December 1949, 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 downlaod this issue at the Internet Archive.