There was a magic shop on Fishermans Wharf at the exit of the 1970's Museum of Witchcraft and Magic. This was a few doors down from Ripley's Believe It or Not. Here we see moments of buyers in the store:
https://youtu.be/QRy1le92D44?t=101
...the ceiling was tiled in mirrors which to a young magician with little money occasionally helped with deciphering a trick, such as Grants Devils Cannister