The identity of the artist "Lewis" is uncertain.
Text reads: "3 Grand Adventure Comics—Long Bow. Diamond. Lone Star. Every month 6d"
The text of this advertisement reads: "Enrol in the Space Ace Cadets. Upon enrolment, each new recruit will receive a Space Ace Lapel Badge and an Identification Card with the aims of the Cadets and the Space Ace Code. Complete the coupon below and post it today with our membership fee (1/-)."