Private : to the trade 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.

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Private : to the trade 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. Public Domain Mark. Source: Wellcome Collection.