Barbie Paper Dolls

How old are these paper dolls?
Front Cover Top Reads:

Whitman NO SCISSORS NECESSARY FOR 1976:59

Barbie COSTUME
DOLLS
with Skipper, KEN, MIDGE, and ALLAN AUTHORIZED
1964 by Mattel, Inc. EDITION
Dolls, Costumes, and Scenery for 5 Plays!

Bottom Cover Top Reads:
WHITMAN PUBLISHING COMPANY
RACINE, Wisconsin BARBIE, KEN, MIDGE, ALLAN and SKIPPER the trademarks of
Printed in the U.S.A. by Western Printing Mattel, Inc. for it's DOLLS. Used under license from Mattel, Inc.
and Lithographing Company

There is the original price sticker from
L.H. MARTIN
1 / 65
.49 cents

Thank you!