My original tumblr post was here. Image contains the text “Adventures in space and the world of tomorrow. Goddess of Space. Thrills Incorporated No. 20. Price 8d. 10 cents, U.S. and Canada.” This image was posted on tumblr by notpulpcovers, which included the following text:

Thrills Incorporated No. 20: Goddess of Space. *4000th upload!* http://flic.kr/p/mq2ajF