Vernon, Dai; Dr. Jacob Daley & George Starke (editors): Slow Motion Four Aces ©1950 Stars of Magic, Inc., NY Softcover, stapled manuscript, 8.5x11", 8 pages

Image courtesy eBay seller sca2999

Comments: B&W Photographs by George Karger. Edited by Dr. Jacob Daley and George Starke. Star's of Magic Series 6. No. 2. Later incorporated into the compilation book Stars of Magic edited by George Starke.
Effect: Two versions; Three Aces are caused to leave their packets and join the Ace in the fourth packet, one at a time.

Contents (from entry in Stars of Magic):

1 Effect
2 First Method: with any deck
4 Second Method: advanced method with sleights worth practice
6 Conclusion
7 Notes