key x_item CD7227
Item Number: CD7227
These cards have been designed at the Parapsychology Laboratory, Duke University, to test extrasensory perception. Optimal conditions are briefly summorized on the instruction sheet. Explained also are Psychological Conditions, Experimental Conditions, Basic Test Procedures and Evaluation, using the chart supplied. Most mentalists choose this universally symbolized deck.
Bride size. The back contains a star design