Status: Available for Loan Consideration  for exhibition, institutional study, research, or approved placement. Hien Fong Essence / “Green Drops” Patent Medicine Bottle United States, c. 1900–1925 Glass bottle with original printed paper wrapper Dating & Attribution This object is identified as a patent medicine bottle  containing Hien Fong Essence , also marketed as “Green Drops,”  and dates to the early twentieth century, approximately c. 1900–1925 . The dating is supported