Hummer: Bob: Fantastric ©1941 Bob Hummer; Samuel Berland, Chicago, IL Softcover, folded manuscript, 8.5x11", 3 pages

Image courtesy eBay seller RaolsonMagic

Comments: a single trick manuscript

Contents (from booklet):

1 Effect: spectator remembers a card from a packet which is found by the performer via a marker card
1 Secret
2 And Now an Improvement