Two Vintage Mrs. Butterworth's Syrup Glass Bottles W Cap. For Sale

Key Details & Identification:Era: Mrs. Butterworth's table syrup was introduced in 1961. The original glass bottles were produced until 1999, at which point the brand transitioned entirely to plastic packaging for safety and weight reasons.Caps: One bottle retains its original yellow metal screw-on caps, which is a key indicator of production eras from the 1960s through the late 1970s and 1980s. The other has a plastic cap. Dating the Bottles: To find the exact production year, you can look directly at the embossed numbers and manufacturer symbols stamped on the bottom of the glass base. Manufacturers like Owens-Illinois or Thatcher Glass frequently stamped a 2-digit date code alongside their plant location marks.