Original post here. This image was researched by Bacchus at ErosBlog as part of the “Γ commission.” The research was originally published at Hedonix as “Γ 026 – Demon Ladies Of Derision.” Here is what Bacchus found.

The “EMSH-” signature on this work is the signature of legendary science fiction cover artist Ed Emshwiller. This artwork by Emshwiller appeared on the cover of the Summer 1954 Startling Stories. The Encyclopedia of Science fiction has a detailed biography with a lot more information about this artist.