Professor Heller's Magic Trick Cards, c. 1870s, Extremely RareYou know how much I love antique square corner no indices playing cards, so you can imagine how excited I was to find these antique magic trick cards! Even cooler to learn about the fascinating life of "Professor" Robert Heller (born William Henry Palmer; 18261878) the English magician, mentalist and musician who devised these (more about him below) and to find no other sets of these trick cards anywhere out there, at least that I can see. When