Wm F. Spotswood
Company Names, addresses, dates:
Wm F. Spotswood, Petersburg VA
(more information will be added when I get around to researching this druggist)
This is a clear (flint glass), 2.8" free-blown bottle with a no embossing & a pontil scar on the base.
It has a label that says:
label: PERUVIAN BARK / WM. F. SPOTSWOOD, Apothecary, / PETERSBURG, VA.
According to wikipedia, Peruvian Bark is also known as Jesuit's Bark or cinchona bark, and was used with some success as a remedy for Malaria.