The Waring Historical Library of the Medical University of South Carolina just launched a fascinating online exhibit of apothecary's show globes.
Curated by digital archivist Jennifer Welch, Mysterious Show Globes of the Apothecary presents some exquisite examples of these symbols of the profession, along with well-researched text. I enjoyed the debunking of myths surrounding the history of show globes, and also appreciated the use of pharmaceutical supply catalogs as supporting materials.
I did some searching, and while our museum collection contains plenty of pharmacy-related items, it doesn't appear that we have any examples of these beautiful artifacts. Our History of Medicine collection includes an 1890 pharmaceutical and chemical supply catalog from Peter van Schaak & Sons. HC&A and the Main Library also hold many books on the history of pharmacy, which can be searched in our catalog.