Its from the 1962 tradin card series that the '96 film 'Mars Attacks' was based on.
from wikipedia :
Bob Wood who did the concept sketches and then
Bob Powell redid them as finished cartoons and then Norm Saunders did the paintings that were the finals for the cards. The original paintings are surprisingly small- almost postcard size.
Just found this:
Its from the 1962 tradin card series that the '96 film 'Mars Attacks' was based on.
from wikipedia :