Vintage Rubbermaid Pitcher 2718 Yellow W White Lid

Vintage Rubbermaid One Gallon Pitcher 2718 Yellow/Beige With White Lid. COMPLETE YOUR SET TODAY! Pitcher and lid are in wonderful condition. No cracks or deep scratches, just minor surface scratches. Pitcher is marked on bottom with numbers 2718 and what looks to be some sort of code; a circle with letters and dots. I did some research, but not enough to figure out what it means. All reasonable offers will be considered!