Supercar Spacemakers from 
AP Films

The Spacemakers ad as it      appeared in TV comic.           

Supercar and XL5 "SPACEMAKERS"
membership card which includes a small magnifying glass, in a horseshoe shaped thick cardboard mount. Originally would have also come with a slide of Fireball XL5.

The list of Famous Spacemakers is as follows
Yuri Gagarin    Andrian Nikolayev
Alan Shepard     Pavel Popovich
Virgil Grissom      Walter Schirra
Gherman Titov    Gordon Cooper
Malcolm Scott Carpenter
Valery Bykovsky     John Glenn
Valentina Tereshkova.
Some of these names will be very familiar to Anderson fans as
all of the Thunderbird pilots are listed.