Hidden Gem 8

"The Trick That Cannot Be Reconstructed" by Dai Vernon

The Vernon Chronicles, Volume 2, page 89

I am a huge fan of two-card transpositions and I’m always swapping methods and info about new ones I find with my closest magic friends. Except for this one. Sorry fellas! It is a three-phase transpo that just looks so utterly impossible. No dupes or gaffs, just Vernon genius.