UKC/POS/LDN RHE : 0597381

Playbill advertising "the Royal Mystery, the marvel of the world! A Lady brought on to the Stage, seated on a Chair which is open to inspection, without any Traps, Newspaper of Mechanical contrivances, no Scarf of Screen placed in front of her, in full view of the audience melts into thin air" at the Royal [Music Hall,] 1886/1887.