Company Names, addresses, dates:¹
  C.F. Sauer & Co., 1701 E Broad St., Richmond VA (1888)
  C.F. Sauer & Co., 1705 E Broad St., Richmond VA (1889)
  C.F. Sauer & Co., 1328 E Main St., Richmond VA (1891-1899)
  C.F. Sauer & Co., 10-14 S 21st St., Richmond VA (1900-1910)
  C.F. Sauer & Co., Broad St. cor. Meadow, Richmond VA (1911-1930)

Notes:
(more information will be added when I get around to researching this druggist)

Bottles:

(enlarge)

Clear 4.5" bottle embossed: vertical: C. F. SAUER & CO. / DRUGGISTS / RICHMOND, VA. base: W T & CO.