1938 edgar bergman charlie mccarthy cardboard ventriloquist figure

A vintage promotional premium cardboard figure from Ketterlinus of Phila. USA. It is of Edgar Bergen's Charlie McCarthy ventriloquist figure from 1938. Features mouth and eyes that move up and down when paper/cardboard tab on back is moved up or down. Also has legs that are folded so that it appears that Charlie is sitting.
Edgar Bergen was the father of the Hollywood actress Candice and she once said that the doll was akin to her brother.
It is 17" tall and in working order with only a couple of creases.