Private : to the trad only : we beg to call your attention to our world-renowned Blood, Cough and Physic Balls, and solicit your orders for same if you have not already tested their merits.

Licence: Public Domain Mark

Credit: Private : to the trad only : we beg to call your attention to our world-renowned Blood, Cough and Physic Balls, and solicit your orders for same if you have not already tested their merits. Source: Wellcome Collection.