Magician Ronald Edwin Maifeld Advertising Banknote "Mr. E" -circa 1960s/70s

ITEM: Magician R. Edwin Maifeld advertising Banknote-circa 1960s/70s, with his photo as "MR. E" on front.
DATE: Circa 1960s/70s ?.
SIZE: 2 3/4 by 6 1/4 inches.
COND: Has been folded so one center vertical creases. In otherwise Very Fine, almost Mint Condition.