World's Premier Mystery Stage Production
- Name of Subject: John Calvert
- Date: c. 1940s
- Size: 14.5 x 10.25
- Condition: good
An oversize advertising pamphlet of "mats" for John Calvert (Elbern Madren Calvert), with images of illusions from his show and his assistants. Some wear to edges, spine reinforced with brown paper. Discoloration and some soiling to covers. Pages generally clean and in very good condition.